22-12-2020 POLYURETHANE AND POLYUREA SEALING MEMBRANES In 1937, research director Otto Bayer was working on the development of a polyamide-like synthetic fiber. During his experiments he used a reactive group that formed urethane where polyurethanes were born in contact with alcohol.
28-12-2020 CEMENT TILE ADHESIVES AND WHAT WE NEED TO KNOW Cement tile adhesives are cement-based mortars used to bond ceramic tiles, granite, marble to walls or floors indoors and outdoors.
