how to choose correct mold materials
Plastic mold is of multiplex varieties and specification. Due to it’s complicated shapes and low surface roughness, it is rather difficult to be manufactured. […]
introduction to Polyurethanes Resin
Polyurethanes resin embodies the properties of foam, rubber, thermoplastic plastics as well as thermoset plastics, it can be used as elastomers, adhesives and coating etc and can also be adopted as synthetic fiber of large shrinkage. The substance is of high elasticity, obdurability and tensile strength, and can fight against the erosion from oil or [...]
temperature of plastic molds is very important
temperature of plastic molds directly influences the molding quality and productivity of plastic parts, for thermoset plastics, […]