可挤压的支架和加强杠有时会被聚丙烯泡沫或者成型的塑性塑料替代。
Polypropylene foam or formed thermoplastic sometimes is used in addition to or instead of crushable brackets and a bar.
是聚乙烯、聚丙烯、聚苯乙烯、ABS树脂、聚脂、纤维素树脂和泡沫塑料的廉价通用抗氧剂，特别适用于白色或浅色制品。
Is polyethylene, polypropylene, polystyrene, ABS resin, polyester resin, cellulose and cheap general foam plastics antioxidants, especially suitable for white or light color products.
泡沫抑制剂添加剂都是有机硅或聚丙烯酸酯。
Foam inhibitor additives are either silicones or polyacrylates.
应用推荐