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    钙锌复合稳定剂

    钙锌复合稳定剂 – Specialty chemicals product from Bio Green Chem

    关于此产品

    钙锌复合稳定剂是以钙、锌羧酸盐为基础的一包化体系,预先复配了有机辅助稳定剂、抗氧剂和润滑剂。其出现的原因是:性能良好、成本低廉的铅盐和镉稳定剂如今因毒性问题已被大多数市场排除。 其化学作用是一种分工。锌皂取代引发脱氯化氢的活泼烯丙基氯,可获得良好的初期色泽,但生成的氯化锌是强路易斯酸,会催化它本要抑制的降解反应。锌耗尽后,物料会突然发黑,这一现象称为锌烧(zinc burn)。配方中的钙皂和有机辅助稳定剂的作用正是捕捉该氯化锌并使锌皂再生,从而把突发性失效转变为渐进性失效,并延长长期稳定性。 由于锌、钙与辅助稳定剂的配比必须与聚合物、加工温度和停留时间相匹配,这类产品按应用分系列销售,而非只有一个牌号。21 系列用于医用 PVC,包括食品包装、医用管材和玩具;31 系列用于软质和半硬质 PVC,如电线电缆、压延薄膜和人造革;41 系列用于中小口径管材和给水管;51 系列用于硬质注塑,如管件;61 系列用于高剪切、高速挤出型材;71 系列用于发泡;81 系列用于透明制品。

    规格

    Supplier grades21 series CZ-S211; 31 series CZ-H311/H312/H313; 41 series CZ-P411/P412; 51 series CZ-J511/J512; 61 series CZ-PF611/PF612; 71 series CZ-F711/F712; 81 series CZ-T811/T812/T813
    Supply basisB2B raw-material enquiry; grade subject to confirmation
    Exact chemical identityConfirm against the agreed purchasing specification
    DocumentationRequest current specification, safety data and available lot documentation
    PackagingPack size and material confirmed with quotation

    应用

    Medical PVC: food packing, medical tube, toys (21 series)Soft and semi-rigid PVC: wire and cable, calendering film, artificial leather (31 series)Small to medium pipe and water pipe (41 series)Rigid injection moulding, fittings (51 series)High shear, high speed extrusion profile (61 series)PVC foam product (71 series)Transparent PVC product (81 series)

    包装选项

    • Paste or powder; drum or customer-specified packaging (21 series)
    • Powder; 25 kg/bag (31, 41, 51, 61, 71 and 81 series)