{"id":2289,"date":"2026-07-16T12:29:15","date_gmt":"2026-07-16T12:29:15","guid":{"rendered":"https:\/\/unitedperfect.com\/?p=2289"},"modified":"2026-07-16T12:30:36","modified_gmt":"2026-07-16T12:30:36","slug":"operfect-pvek-b2066-successfully-achieves-en-13501-1-b-s1d0-fire-classification","status":"publish","type":"post","link":"https:\/\/unitedperfect.com\/zh_cn\/operfect-pvek-b2066-successfully-achieves-en-13501-1-b-s1d0-fire-classification\/","title":{"rendered":"OPERFECT PVEK\u2122 B2066 Successfully Achieves EN 13501-1 B-s1,d0 Fire Classification"},"content":{"rendered":"

<\/p>\n\n\n\n

OPERFECT PVEK\u2122 B2066 Successfully Achieves EN 13501-1 B-s1,d0 Fire Classification<\/h1>\n\n\n\n

A New Milestone in High-Performance Building Envelope Innovation<\/h2>\n\n\n\n

July 2026 | Jinan, China<\/strong><\/p>\n\n\n\n

OPERFECT\u00ae proudly announces that its proprietary PVEK\u2122 B2066 Fire-Resistant Flash-Spun HDPE Breather Membrane<\/strong> has successfully achieved EN 13501-1 Class B-s1,d0<\/strong> fire classification through independent testing conducted by SGS. This achievement marks another significant milestone in OPERFECT’s continuous investment in Building Envelope technologies and further strengthens the company’s position as a professional manufacturer of high-performance building protection materials. According to the SGS report, the tested product achieved Class B-s1,d0<\/strong> in accordance with EN 13501-1:2018<\/strong>, based on testing under EN 13823<\/strong> and EN ISO 11925-2<\/strong>.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\n\n\n\n

Meeting the Growing Demand for Fire-Safe Building Envelope Systems<\/h1>\n\n\n\n

Across Europe and many international construction markets, building regulations continue to place greater emphasis on fire safety, energy efficiency and long-term durability.<\/p>\n\n\n\n

For modern wall assemblies, breathable membranes are expected to do much more than resist water. They must effectively manage moisture, withstand harsh weather conditions and increasingly satisfy higher fire performance requirements.<\/p>\n\n\n\n

Developing a Flash-Spun HDPE membrane that maintains excellent weather resistance and vapor permeability while achieving a higher fire classification has long been regarded as one of the most technically challenging tasks within the industry.<\/p>\n\n\n\n

The successful certification of PVEK\u2122 B2066<\/strong> demonstrates OPERFECT’s ongoing commitment to solving these engineering challenges through continuous research and material innovation.<\/p>\n\n\n\n

\n\n\n\n

Independently Tested to EN 13501-1 Class B-s1,d0<\/h1>\n\n\n\n

PVEK\u2122 B2066 was independently evaluated by SGS according to the European fire classification standard EN 13501-1:2018<\/strong>.<\/p>\n\n\n\n

The testing included:<\/p>\n\n\n\n