描述
初级PBT塑料颗粒聚对苯二甲酸丁二醇酯复合PBT颗粒。树脂PBT塑料材料
2。高冲击PBT
3。耐磨性好
初级PBT塑料颗粒聚对苯二甲酸丁二醇酯复合PBT颗粒
产品详细信息
初级PBT塑料颗粒聚对苯二甲酸丁二醇酯复合PBT颗粒
聚对苯二甲酸丁二醇酯（PBT）是一种热塑性工程聚合物，在电气和电子行业中用作绝缘体。它是一种热塑性（半）结晶聚合物，是一种聚酯。PBT耐溶剂，成型过程中收缩很小，机械强度高，耐热性高达150°C（或玻璃纤维增强200°C），并可使用阻燃剂处理，使其不燃
PBT与其他热塑性聚酯密切相关。与PET（聚对苯二甲酸乙二醇酯）相比，PBT的强度和刚度略低，抗冲击性略好，玻璃化转变温度略低。PBT和PET对60°C（140°F）以上的热水敏感。PBT和PET在室外使用时需要防紫外线，而且这些聚酯的大多数等级都是易燃的，尽管添加剂可用于改善紫外线和易燃性
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Primary PBT Plastic Granules Polybutylene Terephthalate Compound PBT Granules
Specifications
1.Resin-PBT plastic material
2.High Impact PBT
3.good abrasion resistance.
Primary PBT Plastic Granules Polybutylene Terephthalate Compound PBT Granules
Product Details
Primary PBT plastic granules polybutylene terephthalate compound PBT Granules
Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. PBT is resistant to solvents, shrinks very little during forming, is mechanically strong, heat-resistant up to 150 °C (or 200 °C with glass-fibre reinforcement) and can be treated with flame retardants to make it noncombustible.
PBT is closely related to other thermoplastic polyesters. Compared to PET (polyethylene terephthalate), PBT has slightly lower strength and rigidity, slightly better impact resistance, and a slightly lower glass transition temperature. PBT and PET are sensitive to hot water above 60 °C (140 °F). PBT and PET need UV protection if used outdoors, and most grades of these polyesters are flammable, although additives can be used to improve both UV and flammability properties.
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