{"id":74,"date":"2025-06-09T07:36:29","date_gmt":"2025-06-09T07:36:29","guid":{"rendered":"https:\/\/bachviet-group.net\/?p=74"},"modified":"2025-06-09T07:36:50","modified_gmt":"2025-06-09T07:36:50","slug":"cua-nhom-xingfa-cach-am-hieu-qua-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/bachviet-group.net\/?p=74","title":{"rendered":"C\u1eeda Nh\u00f4m Xingfa C\u00e1ch \u00c2m Hi\u1ec7u Qu\u1ea3 Nh\u01b0 Th\u1ebf N\u00e0o? Ph\u00e2n T\u00edch V\u00e0 \u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Ti\u1ebfng \u1ed3n t\u1eeb c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng, khu c\u00f4ng nghi\u1ec7p hay khu d\u00e2n c\u01b0 \u0111\u00f4ng \u0111\u00fac \u0111ang ng\u00e0y c\u00e0ng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng c\u1ee7a nhi\u1ec1u gia \u0111\u00ecnh t\u1ea1i V\u0129nh Long c\u0169ng nh\u01b0 c\u00e1c khu v\u1ef1c l\u00e2n c\u1eadn. Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, c\u1eeda nh\u00f4m Xingfa \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1edd kh\u1ea3 n\u0103ng c\u00e1ch \u00e2m hi\u1ec7u qu\u1ea3, gi\u00fap gi\u1ea3m thi\u1ec3u ti\u1ebfng \u1ed3n v\u00e0 t\u1ea1o ra kh\u00f4ng gian y\u00ean t\u0129nh h\u01a1n cho sinh ho\u1ea1t h\u00e0ng ng\u00e0y. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u ph\u00e2n t\u00edch v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, c\u00e1c y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 th\u1ef1c ti\u1ec5n thi c\u00f4ng c\u1ee7a d\u00f2ng c\u1eeda n\u00e0y, t\u1eeb \u0111\u00f3 gi\u00fap b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t cho ng\u00f4i nh\u00e0 c\u1ee7a m\u00ecnh.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Co_Che_Vat_Ly_%E2%80%93_Tai_Sao_Nhom_Xingfa_Co_The_Cach_Am\" >C\u01a1 Ch\u1ebf V\u1eadt L\u00fd \u2013 T\u1ea1i Sao Nh\u00f4m Xingfa C\u00f3 Th\u1ec3 C\u00e1ch \u00c2m?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Nguyen_Ly_Truyen_Am_Qua_Vat_Lieu\" >Nguy\u00ean L\u00fd Truy\u1ec1n \u00c2m Qua V\u1eadt Li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Vai_Tro_Cua_Kinh_Hop_Va_Gioang\" >Vai Tr\u00f2 C\u1ee7a K\u00ednh H\u1ed9p V\u00e0 Gio\u0103ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Thong_So_Ky_Thuat_Chi_Tiet\" >Th\u00f4ng S\u1ed1 K\u1ef9 Thu\u1eadt Chi Ti\u1ebft<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Anh_Huong_Cua_Lap_Dat\" >\u1ea2nh H\u01b0\u1edfng C\u1ee7a L\u1eafp \u0110\u1eb7t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Danh_Gia_Hieu_Suat_Thuc_Te_Cua_Nhom_Xingfa_Cach_Am_Hieu_Qua_Nhu_The_Nao\" >\u0110\u00e1nh Gi\u00e1 Hi\u1ec7u Su\u1ea5t Th\u1ef1c T\u1ebf C\u1eeda Nh\u00f4m Xingfa C\u00e1ch \u00c2m Hi\u1ec7u Qu\u1ea3 Nh\u01b0 Th\u1ebf N\u00e0o<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Ket_Qua_Thu_Nghiem\" >K\u1ebft Qu\u1ea3 Th\u1eed Nghi\u1ec7m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Han_Che\" >H\u1ea1n Ch\u1ebf<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/bachviet-group.net\/?p=74\/#So_Sanh_Cua_Nhom_Xingfa_Voi_Giai_Phap_Cach_Am_Khac\" >So S\u00e1nh C\u1eeda Nh\u00f4m Xingfa V\u1edbi Gi\u1ea3i Ph\u00e1p C\u00e1ch \u00c2m Kh\u00e1c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/bachviet-group.net\/?p=74\/#So_Sanh_Cua_Nhom_Xingfa_Voi_Cua_Nhua_Loi_Thep_uPVC\" >So S\u00e1nh C\u1eeda Nh\u00f4m Xingfa V\u1edbi C\u1eeda Nh\u1ef1a L\u00f5i Th\u00e9p (uPVC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/bachviet-group.net\/?p=74\/#So_Sanh_Cua_Nhom_Xingfa_Voi_Cua_Go_Cong_Nghiep\" >So S\u00e1nh C\u1eeda Nh\u00f4m Xingfa V\u1edbi C\u1eeda G\u1ed7 C\u00f4ng Nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Huong_Dan_Quy_Trinh_Bao_Duong_Dinh_Ky\" >H\u01b0\u1edbng D\u1eabn Quy Tr\u00ecnh B\u1ea3o D\u01b0\u1ee1ng \u0110\u1ecbnh K\u1ef3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Cai_Tao_Cua_Cu\" >C\u1ea3i T\u1ea1o C\u1eeda C\u0169<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Cau_Hoi_Thuong_Gap\" >C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/bachviet-group.net\/?p=74\/#Ket_Luan\" >K\u1ebft Lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Co_Che_Vat_Ly_%E2%80%93_Tai_Sao_Nhom_Xingfa_Co_The_Cach_Am\"><\/span><span style=\"font-weight: 400;\">C\u01a1 Ch\u1ebf V\u1eadt L\u00fd \u2013 T\u1ea1i Sao Nh\u00f4m Xingfa C\u00f3 Th\u1ec3 C\u00e1ch \u00c2m?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen_Ly_Truyen_Am_Qua_Vat_Lieu\"><\/span><span style=\"font-weight: 400;\">Nguy\u00ean L\u00fd Truy\u1ec1n \u00c2m Qua V\u1eadt Li\u1ec7u<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u00c2m thanh di chuy\u1ec3n d\u01b0\u1edbi d\u1ea1ng s\u00f3ng c\u01a1 h\u1ecdc, khi g\u1eb7p v\u1eadt c\u1ea3n s\u1ebd x\u1ea3y ra 3 hi\u1ec7n t\u01b0\u1ee3ng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u1ea3n x\u1ea1: 40\u201350% (nh\u1edd b\u1ec1 m\u1eb7t nh\u00f4m ph\u1ee7 oxide)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ea5p th\u1ee5: 30\u201335% (nh\u1edd c\u1ea5u tr\u00fac \u0111a khoang)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Truy\u1ec1n qua: 15\u201330% (t\u00f9y c\u1ea5u h\u00ecnh).<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/khonggiandoor.vn\/wp-content\/uploads\/2024\/07\/cua-di-mo-lua-3-canh-xingfa-14.jpg\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/khonggiandoor.vn\/wp-content\/uploads\/2024\/07\/cua-di-mo-lua-3-canh-xingfa-14.jpg\" alt=\"c\u1eeda \u0111i l\u00f9a 3 c\u00e1nh nh\u00f4m xingfa 4\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vai_Tro_Cua_Kinh_Hop_Va_Gioang\"><\/span><span style=\"font-weight: 400;\">Vai Tr\u00f2 C\u1ee7a K\u00ednh H\u1ed9p V\u00e0 Gio\u0103ng<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u00ednh h\u1ed9p 2 l\u1edbp (5-9-5mm): L\u1edbp kh\u00ed argon (\u0111\u1ed9 d\u1eabn nhi\u1ec7t 0.016 W\/m\u00b7K) gi\u1ea3m 10dB so v\u1edbi k\u00ednh \u0111\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gio\u0103ng EPDM: \u0110\u1ed9 n\u00e9n 40\u201360 IRHD, tu\u1ed5i th\u1ecd 15\u201320 n\u0103m, l\u1ea5p k\u00edn khe h\u1edf \u22640.8mm<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 th\u1ef1c t\u1ebf:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eeda 3 khoang \u2192 Gi\u1ea3m 22dB<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eeda 5 khoang \u2192 Gi\u1ea3m 28dB<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Thong_So_Ky_Thuat_Chi_Tiet\"><\/span><span style=\"font-weight: 400;\">Th\u00f4ng S\u1ed1 K\u1ef9 Thu\u1eadt Chi Ti\u1ebft<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">B\u1ea3ng So S\u00e1nh H\u1ec7 Profile Xingfa:<\/span><\/p>\n<table style=\"height: 196px;\" width=\"905\">\n<tbody>\n<tr>\n<td><b>Th\u00f4ng S\u1ed1<\/b><\/td>\n<td><b>H\u1ec7 55<\/b><\/td>\n<td><b>H\u1ec7 93<\/b><\/td>\n<td><b>H\u1ec7 134<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ed9 d\u00e0y (mm)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1.4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1.8<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">S\u1ed1 khoang<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u00e0 ph\u1ed1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bi\u1ec7t th\u1ef1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Khuy\u1ebfn ngh\u1ecb:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khu v\u1ef1c \u1ed3n \u226460dB (\u0111\u01b0\u1eddng n\u1ed9i \u00f4): H\u1ec7 55<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khu v\u1ef1c \u1ed3n &gt;70dB (g\u1ea7n ch\u1ee3, tr\u01b0\u1eddng h\u1ecdc): H\u1ec7 134 + K\u00ednh h\u1ed9p 6\u201312\u20136mm<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Anh_Huong_Cua_Lap_Dat\"><\/span><span style=\"font-weight: 400;\">\u1ea2nh H\u01b0\u1edfng C\u1ee7a L\u1eafp \u0110\u1eb7t<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sai s\u1ed1 khe h\u1edf &gt;1.5mm (theo DIN 18202) l\u00e0m gi\u1ea3m 15\u201320% hi\u1ec7u su\u1ea5t. Keo silicone chuy\u00ean d\u1ee5ng (v\u00ed d\u1ee5: Dow Corning 795) duy tr\u00ec \u0111\u1ed9 k\u00edn sau 5 n\u0103m s\u1eed d\u1ee5ng.<\/span><\/p>\n<p><a href=\"https:\/\/khonggiandoor.vn\/wp-content\/uploads\/2024\/07\/cua-xep-truot-4-canh-nhom-xingfa-class-a-mau-champagne-47.jpg\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/khonggiandoor.vn\/wp-content\/uploads\/2024\/07\/cua-xep-truot-4-canh-nhom-xingfa-class-a-mau-champagne-47.jpg\" alt=\"cua xep truot 4 canh nhom xingfa class a mau champagne 47\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Danh_Gia_Hieu_Suat_Thuc_Te_Cua_Nhom_Xingfa_Cach_Am_Hieu_Qua_Nhu_The_Nao\"><\/span><span style=\"font-weight: 400;\">\u0110\u00e1nh Gi\u00e1 Hi\u1ec7u Su\u1ea5t Th\u1ef1c T\u1ebf C\u1eeda Nh\u00f4m Xingfa C\u00e1ch \u00c2m Hi\u1ec7u Qu\u1ea3 Nh\u01b0 Th\u1ebf N\u00e0o<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Ket_Qua_Thu_Nghiem\"><\/span><span style=\"font-weight: 400;\">K\u1ebft Qu\u1ea3 Th\u1eed Nghi\u1ec7m<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f2ng lab: \u0110\u1ea1t 28dB \u1edf d\u1ea3i t\u1ea7n 500\u20133150Hz, th\u1ea5p h\u01a1n c\u1eeda nh\u1ef1a l\u00f5i th\u00e9p (35dB).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Case study c\u0103n h\u1ed9 Q.1 TP.HCM: Gi\u1ea3m t\u1eeb 65dB xu\u1ed1ng 43dB sau l\u1eafp \u0111\u1eb7t<\/span><a href=\"https:\/\/flyer.vn\/cac-ngoi-trong-tieng-anh\/\"><span style=\"font-weight: 400;\">10<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Han_Che\"><\/span><span style=\"font-weight: 400;\">H\u1ea1n Ch\u1ebf<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1eabn \u00e2m qua khung nh\u00f4m cao h\u01a1n g\u1ed7 237 l\u1ea7n, \u0111\u00f2i h\u1ecfi b\u1ed5 sung v\u00e1ch ng\u0103n x\u1ed1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tu\u1ed5i th\u1ecd gio\u0103ng gi\u1ea3m 30% \u1edf \u0111\u1ed9 \u1ea9m &gt;80%.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So_Sanh_Cua_Nhom_Xingfa_Voi_Giai_Phap_Cach_Am_Khac\"><\/span><span style=\"font-weight: 400;\">So S\u00e1nh C\u1eeda Nh\u00f4m Xingfa V\u1edbi Gi\u1ea3i Ph\u00e1p C\u00e1ch \u00c2m Kh\u00e1c<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"So_Sanh_Cua_Nhom_Xingfa_Voi_Cua_Nhua_Loi_Thep_uPVC\"><\/span><span style=\"font-weight: 400;\">So S\u00e1nh C\u1eeda Nh\u00f4m Xingfa V\u1edbi C\u1eeda Nh\u1ef1a L\u00f5i Th\u00e9p (uPVC)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Theo kh\u1ea3o s\u00e1t t\u1ea1i 15 c\u00f4ng tr\u00ecnh s\u1eed d\u1ee5ng c\u1eeda nh\u1ef1a (2023), c\u1eeda nh\u1ef1a l\u00f5i th\u00e9p cho hi\u1ec7u su\u1ea5t c\u00e1ch \u00e2m 35\u201340dB, cao h\u01a1n 30\u201340% so v\u1edbi Xingfa. Nguy\u00ean nh\u00e2n \u0111\u1ebfn t\u1eeb c\u1ea5u tr\u00fac 3\u20134 l\u1edbp khoang k\u1ebft h\u1ee3p l\u00f5i th\u00e9p d\u00e0y 1.5mm v\u00e0 gio\u0103ng silicone \u0111a \u0111i\u1ec3m. Tuy nhi\u00ean, tu\u1ed5i th\u1ecd trung b\u00ecnh ch\u1ec9 15\u201320 n\u0103m, th\u1ea5p h\u01a1n 25\u201330 n\u0103m c\u1ee7a nh\u00f4m Xingfa.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/span><\/i><span style=\"font-weight: 400;\">:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chung c\u01b0 Lavida Plus (Q. B\u00ecnh Th\u1ee7y): D\u00f9ng c\u1eeda uPVC gi\u1ea3m \u1ed3n t\u1eeb 68dB xu\u1ed1ng 32dB, nh\u01b0ng ph\u1ea3i thay gio\u0103ng sau 7 n\u0103m do gi\u00e3n n\u1edf v\u00ec \u0111\u1ed9 \u1ea9m 85%.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u00e0 ph\u1ed1 Q. \u00d4 M\u00f4n: C\u1eeda Xingfa Class A + k\u00ednh h\u1ed9p 3 l\u1edbp duy tr\u00ec 28dB sau 10 n\u0103m kh\u00f4ng b\u1ea3o tr\u00ec.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"So_Sanh_Cua_Nhom_Xingfa_Voi_Cua_Go_Cong_Nghiep\"><\/span><span style=\"font-weight: 400;\">So S\u00e1nh C\u1eeda Nh\u00f4m Xingfa V\u1edbi C\u1eeda G\u1ed7 C\u00f4ng Nghi\u1ec7p<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">V\u1edbi c\u1ea5u tr\u00fac l\u00f5i x\u1ed1p c\u00e1ch \u00e2m + v\u00e1n HDF 8mm, c\u1eeda g\u1ed7 c\u00f4ng nghi\u1ec7p \u0111\u1ea1t STC 40\u201345dB, ph\u00f9 h\u1ee3p cho ph\u00f2ng thu \u00e2m ho\u1eb7c ph\u00f2ng h\u1ecdp. Tuy nhi\u00ean, gi\u00e1 th\u00e0nh cao (4.5\u20136tr\/m\u00b2) v\u00e0 d\u1ec5 cong v\u00eanh \u1edf \u0111\u1ed9 \u1ea9m &gt;75%<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea3ng So S\u00e1nh \u0110\u1ecbnh L\u01b0\u1ee3ng:<\/span><\/p>\n<table style=\"height: 210px;\" width=\"934\">\n<tbody>\n<tr>\n<td><b>Ti\u00eau Ch\u00ed<\/b><\/td>\n<td><b>Xingfa Class A<\/b><\/td>\n<td><b>uPVC<\/b><\/td>\n<td><b>G\u1ed7 C\u00f4ng Nghi\u1ec7p<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1ch \u00e2m (dB)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">25\u201330<\/span><\/td>\n<td><span style=\"font-weight: 400;\">35\u201340<\/span><\/td>\n<td><span style=\"font-weight: 400;\">40\u201345<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ch\u1ed1ng \u1ea9m<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tuy\u1ec7t \u0111\u1ed1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00e9m<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chi ph\u00ed (tr\/m\u00b2)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3.8\u20134.5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2.8\u20133.5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4.5\u20136.0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><b>L\u1eddi khuy\u00ean<\/b><b>:<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khu v\u1ef1c \u1ed3n &gt;70dB (g\u1ea7n ch\u1ee3 C\u00e1i C\u00f4n): K\u1ebft h\u1ee3p Xingfa + r\u00e8m c\u00e1ch \u00e2m (t\u0103ng th\u00eam 5\u20137dB).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00f2ng thu \u00e2m: D\u00f9ng c\u1eeda g\u1ed7 c\u00f4ng nghi\u1ec7p + l\u1edbp ph\u1ee7 n\u1ec9 acoustic.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Huong_Dan_Quy_Trinh_Bao_Duong_Dinh_Ky\"><\/span><span style=\"font-weight: 400;\">H\u01b0\u1edbng D\u1eabn Quy Tr\u00ecnh B\u1ea3o D\u01b0\u1ee1ng \u0110\u1ecbnh K\u1ef3<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">6 th\u00e1ng\/l\u1ea7n: V\u1ec7 sinh r\u00e3nh tho\u00e1t n\u01b0\u1edbc b\u1eb1ng b\u00e0n ch\u1ea3i nylon, ki\u1ec3m tra \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a gio\u0103ng EPDM.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">2 n\u0103m\/l\u1ea7n: B\u00f4i tr\u01a1n b\u1ea3n l\u1ec1 b\u1eb1ng d\u1ea7u silicon, tr\u00e1nh d\u00f9ng WD-40 g\u00e2y \u0103n m\u00f2n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">5\u20137 n\u0103m: Thay th\u1ebf gio\u0103ng n\u1ebfu xu\u1ea5t hi\u1ec7n v\u1ebft n\u1ee9t &gt;30% b\u1ec1 m\u1eb7t.<\/span><\/li>\n<\/ul>\n<p><i><span style=\"font-weight: 400;\">L\u01b0u \u00fd<\/span><\/i><span style=\"font-weight: 400;\">: Kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t t\u1ea9y r\u1eeda m\u1ea1nh tr\u00ean b\u1ec1 m\u1eb7t nh\u00f4m ph\u1ee7 PVDF \u2013 ch\u1ec9 lau b\u1eb1ng kh\u0103n \u1ea9m + dung d\u1ecbch pH trung t\u00ednh.<\/span><\/p>\n<p><a href=\"https:\/\/khonggiandoor.vn\/wp-content\/uploads\/2021\/05\/cua-nhom-xingfa-mau-trang-2-canh-mo-quay-1.jpg\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/khonggiandoor.vn\/wp-content\/uploads\/2021\/05\/cua-nhom-xingfa-mau-trang-2-canh-mo-quay-1.jpg\" alt=\"c\u1eeda nh\u00f4m xingfa m\u00e0u tr\u1eafng 2 c\u00e1nh m\u1edf quay 1\" \/><\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cai_Tao_Cua_Cu\"><\/span><span style=\"font-weight: 400;\">C\u1ea3i T\u1ea1o C\u1eeda C\u0169<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">T\u1eeb 2020\u20132024, Nhi\u1ec1u d\u1ef1 \u00e1n\u00a0 \u0111\u00e3 th\u1ef1c hi\u1ec7n 73 d\u1ef1 \u00e1n n\u00e2ng c\u1ea5p c\u1eeda Xingfa c\u0169 b\u1eb1ng c\u00e1c gi\u1ea3i ph\u00e1p:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Thay k\u00ednh \u0111\u01a1n \u2192 k\u00ednh h\u1ed9p 2 l\u1edbp: T\u0103ng 8\u201310dB, chi ph\u00ed 1.2\u20131.8tr\/m\u00b2.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1eafp th\u00eam gio\u0103ng ph\u1ee5: S\u1eed d\u1ee5ng gio\u0103ng x\u1ed1p EPDM 5mm d\u00e1n vi\u1ec1n, gi\u1ea3m 3\u20135dB<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cau_Hoi_Thuong_Gap\"><\/span><span style=\"font-weight: 400;\">C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eeda Xingfa c\u00f3 ch\u1ed1ng \u0111\u01b0\u1ee3c ti\u1ebfng \u1ed3n xe t\u1ea3i 80dB?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2192 \u0110\u1ea1t 50\u201355dB khi d\u00f9ng k\u00ednh h\u1ed9p 12mm + profile h\u1ec7 134.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00ean l\u1eafp c\u1eeda m\u1edf quay hay tr\u01b0\u1ee3t \u0111\u1ec3 c\u00e1ch \u00e2m t\u1ed1t h\u01a1n?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2192 C\u1eeda m\u1edf quay k\u00edn kh\u00edt h\u01a1n, gi\u1ea3m \u1ed3n t\u1ed1t h\u01a1n 15\u201320% so v\u1edbi tr\u01b0\u1ee3t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p r\u00e8m c\u00e1ch \u00e2m kh\u00f4ng?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2192 R\u00e8m v\u1ea3i d\u00e0y 500g\/m\u00b2 + l\u1edbp foam gi\u00fap t\u0103ng th\u00eam 7\u20139dB.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u1eddi gian l\u1eafp \u0111\u1eb7t trung b\u00ecnh?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2192 3\u20135 ng\u00e0y cho bi\u1ec7t th\u1ef1 150m\u00b2, \u0111\u1ea3m b\u1ea3o sai s\u1ed1 khe h\u1edf &lt;1mm.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eeda Xingfa c\u00f3 ch\u1ed1ng ch\u00e1y kh\u00f4ng?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2192 Ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t 300\u00b0C trong 30 ph\u00fat (ti\u00eau chu\u1ea9n BS 476).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">X\u1eed l\u00fd khe h\u1edf d\u01b0\u1edbi ch\u00e2n c\u1eeda?<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u2192 L\u1eafp ng\u01b0\u1ee1ng c\u1eeda t\u1ef1 \u0111\u1ed9ng v\u1edbi ron cao su neoprene, gi\u1ea3m 3\u20135dB<\/span><\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Ket_Luan\"><\/span><span style=\"font-weight: 400;\">K\u1ebft Lu\u1eadn<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u1eeda nh\u00f4m Xingfa \u0111\u1ea1t hi\u1ec7u su\u1ea5t c\u00e1ch \u00e2m trung b\u00ecnh (18\u201330dB), ph\u00f9 h\u1ee3p cho kh\u00f4ng gian d\u00e2n d\u1ee5ng v\u00e0 v\u0103n ph\u00f2ng. \u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt l\u00e0 \u0111\u1ed9 b\u1ec1n cao, gi\u00e1 c\u1ea3 c\u1ea1nh tranh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m v\u01b0\u1ee3t tr\u1ed9i. \u0110\u1ec3 t\u1ed1i \u01b0u, n\u00ean \u01b0u ti\u00ean profile h\u1ec7 93\/134, k\u1ebft h\u1ee3p k\u00ednh h\u1ed9p 2 l\u1edbp v\u00e0 l\u1eafp \u0111\u1eb7t chuy\u00ean nghi\u1ec7p. Xu h\u01b0\u1edbng 2025\u20132030 h\u01b0\u1edbng \u0111\u1ebfn v\u1eadt li\u1ec7u composite nh\u00f4m-g\u1ed7, k\u1ebft h\u1ee3p c\u00f4ng ngh\u1ec7 ph\u1ee7 nano c\u00e1ch \u00e2m.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ti\u1ebfng \u1ed3n t\u1eeb c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng, khu c\u00f4ng nghi\u1ec7p hay khu d\u00e2n c\u01b0 \u0111\u00f4ng \u0111\u00fac \u0111ang ng\u00e0y c\u00e0ng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng c\u1ee7a nhi\u1ec1u gia \u0111\u00ecnh t\u1ea1i V\u0129nh Long c\u0169ng nh\u01b0 c\u00e1c khu v\u1ef1c l\u00e2n c\u1eadn. Trong b\u1ed1i c\u1ea3nh \u0111\u00f3, c\u1eeda nh\u00f4m Xingfa \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p ph\u1ed5&#8230;<\/p>\n","protected":false},"author":1,"featured_media":75,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=74"}],"version-history":[{"count":1,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":76,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/posts\/74\/revisions\/76"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=\/wp\/v2\/media\/75"}],"wp:attachment":[{"href":"https:\/\/bachviet-group.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bachviet-group.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}