PU foam sealing strip
Composed of high resilience PU (polyurethane) foam, PE (polyethylene) film, <PP (polypropylene) support frame inside>; high resilience PU foam has super high resilience, low The compression deformation is less than 10%, which effectively guarantees the long-term sealing of doors and windows; the outer PE film greatly prolongs the service life of the product, and the rich color selection makes the appearance gorgeous and novel; the PP support frame plays a role in the installation and fixation of the product. Effectively prevent product shrinkage. The utility model has: non-toxic and environmental protection, sound insulation and noise reduction, 20 years of super long service life, heat preservation and energy saving, ultra-wide environmental use range of -40 to 90 ℃, passed 500,000 fatigue tests, and the excellent physical properties of the product During long-term use, keep the sealing performance of doors and windows.