brief overview of rubber processing aids at home and abroad abstract: what are rubber processing aids? how are they categorized? problems that current…
hot vulcanization bonding of rubber to metal influence of rubber type degree of unsaturation: rubber with a high degree of unsaturation and high polar…
research progress of polyurethane prepolymers abstract: polyurethane prepolymerization the research progress of polyurethane prepolymerization in rece…
liquid compound stabilizer for pvc 1. liquid barium cadmium and liquid barium cadmium zinc composite stabilizer this type of compound stabilizer is ma…
affected by construction conditions, equipment, technology and the environment, rigid polyurethane foam will have various abnormal phenomena during th…
1. hydroxyl value: the amount of hydroxyl (-oh) contained in 1 gram of polymer polyol is equivalent to the number of milligrams of koh in mgkoh/g. 2. …
the concept of silicone-free shampoo has become more and more popular in recent years. when the friends in our studio grow shampoo, they first ask if …
introduction the seat system is mainly composed of seat frame, seat polyurethane foam and seat cover. seats are an important part of vehicle interiors…
1. stability test of silicone oil 1.1 storage stability test of silicone oil storage stability of silicone oil at low temperatures pour silicone oil i…
recently, i have often received calls from friends in the industry from all over the country asking about various technical problems that arise in the…
mercerized cotton fabric what is mercerized cotton mercerized cotton fabric is to first singe the yarn to remove the foreign hair on the surface of th…
during the foaming process of soft foam, i wonder if you will encounter such a problem. the phenomenon of semi-collapse occurs, and the degree of foam…