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钢纸片红砂圆孔磨砂片打磨片抛光打磨工具内销外贸厂家现货定牌

  • EXW Price:
    From: ¥ 0.45
    Min. order: 5000 pcs
  • 5000 pcs
  • Exchage Rate 1 CNY ≈ 0.1419 USD
  • Weight 20.0 kg/pcs
  • Item No. GZ10
  • specification
  • Specifications
    Specifications Price(RMB) Stock Quantity
    7-Inch/180mm(7寸/180mm) ¥1.2 99999 pcs available
    5-Inch/125mm(5寸/125mm) ¥0.55 99999 pcs available
    6-Inch/150mm(6寸/150mm) ¥0.9 99999 pcs available
    4-Inch/100mm(4寸/100mm) ¥0.45 99999 pcs available
    4.5 Inch/115mm(4.5寸/115mm) ¥0.5 99999 pcs available
    Summary 0 pcs Subtotal:¥ 0 Selected ∧
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  • Description

        用本色亚硫酸盐化学木浆棉浆,经打浆施胶,不加填(料),在长网造纸机抄造而成。将原纸用膨润剂(浓氯化锌溶液或铜铵溶液)浸渍处理,使纤维素润胀胶化,然后在胶化机上层层黏合,再经老化成熟、水浸脱盐、干燥整形而制成钢纸。一般添加红色或灰色。供机电纺织等工业制作各种工具垫片绝缘材料和其他零件之用。

        钢纸是经特殊工艺处理的特种纸,多用做绝缘材料和隔热材料等。

        钢纸是由纤维素及其衍生物制成的,是采用对纤维素具有剧烈润胀和胶化特性的金属盐―氯化锌溶液为处理剂,对钢纸原纸进行处理、层叠制得的变性加工纸,又称硬化纸,而纤维素及其衍生物为化工品,由化工品制得的片状物要按塑料归入第39章,查阅本章品目条文,非泡沫的塑料板、片、膜、箔及扁条等要归入品目3920,查看该品目下的子目,并按具体列名归入编码39207900(原文为39207200,此条在2011年海关编码手册内不存在)。


Update time:20230210115136


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