Improving Durability with Polyurethane Flexible Foam ZF-22 in Insulation Materials Introduction In the world of insulation materials, durability is the Holy Grail. Whether it’s protecting your home from the bitter cold of winter or the sweltering heat of summer, the effectiveness and longevity of insulation are paramount. Enter Polyurethane Flexible Foam ZF-22 (PUFF ZF-22), a...