Solar hot water pipe casing insulation
Solar hot water pipe casing insulation is a sandwich structure composite insulation pipe, which is composed of an inner PPR hot water pipe, an outer PVC pipe an...
Properties of polyurethane elastomers
Polyurethane elastomers are typical multi-block copolymers, where the molecular chain consists of flexible chain segments with a glass transition temperature be...
Cold storage spray polyurethane and cold storage library plate which is better?
Cold storage spray polyurethane focuses on the overall seamless condition after spray foaming. Polyurethane has good density, insulation and cold resistance. It...
Analyze the change rule of shrinkage of polyurethane elastomer research and influence
In order to select the shrinkage rate of large cast polyurethane elastomer products more accurately, the influences of process conditions, environmental factors...