"plasty" resources

203-821-691

203-821-692

203-821-693 Determination of Ash in Polystyrene

203-821-704 Determining the filler content of plastic is an important aspect of quality control monitoring. Ash is the inorganic remainder that is left after heating a polymer at high temperatures to remove the presence of water and organic matter. Therefore,...

203-821-709 National and regional regulations provide guidance on the approved grade and type of Carbon Black, and some regulations specifically restrict the amount of Carbon Black that may be present in plastics designated for food contact. A common method f...