Sep 25th, 2024, Hangzhou Biyou Building Materials Technology co.,Ltd proceed the fire testing for the fire wooden door at Shanghai Intertek lab, according to standard of NFPA 252,CAN/ULC S104,UL10C and UL10B. The testing achieved a significant successful and passed 60 mins. The fire door fixed Automatic Door Drop down seal, Intumescent Fire Tape, Intumescent Fire Strip, Smoke Corner Seal, Intumescent Hinge Pad, Intumescent Lock Kit, Door Bottom Sweep,Door Threshold Plates which all produced by our Hangzhou Biyou factory. Welcome all of the customer’s inquiry for the fire and acoustic door seal products.