聚氨酯树脂硬度60a/65a/70a/75a/80a/85a/90a/92a/95a/98a Tpu塑料原材料价格Polyurethane Resin Hardness 60a/65a/70a/75a/80a/85a/90a/92a/95a/98a Tpu Plastic Raw Materials Prices
聚酯型热塑性聚氨酯TPU颗粒阻燃剂V0电线电缆透明95A热塑性聚氨酯颗粒手机壳Polyester-Type Thermoplastic Polyurethane TPU Granules Flame Retardant V0 For Wire Or Cable Transparent 95A Thermoplastic Polyurethane Granules For Phone Case