DETAILS, FICTION AND ใยหิน

The initial patent for flexible polyurethane foam preparation was received by Zaunbrecher and Barth in 1942. The versatile polyurethane foam was developed as a result of simultaneous polyurethane synthesis and gasoline era by combining organic and natural toluene diisocyanate (TDI), aliphatic polyester, water, and catalyst. With this one particular