怎样降低六价铬含量?

怎样降低六价铬含量?真皮皮革六价铬
2025-03-16 10:17:19
推荐回答(1个)
回答1:

皮革产品在皮料和产品上都有可能出现六价铬超标,这个情况大多是因为皮料从原皮到可用皮料过程中的鞣革使用了三价铬的鞣革剂,三价铬在后期与外界条件反应,从而三价铬氧化成六价铬,六价铬含量增加就暗示着六价铬有可能超标,六价铬超标就意味着皮革商要找办法处理六价铬含量的问题,也就是降低六价铬含量。
具体的降低六价铬含量的方法有两种,分在产品的不同阶段。一种降低六价铬含量的方法是在产品皮料上降低六价铬含量,这个阶段是使用使用六价铬处理剂AO-C6R-N2直接涂抹在皮料上,因为六价铬处理剂AO-C6R-N2是泡沫状的,可以直接涂抹在产品上。这是在皮料上降低六价铬的,还有一种情况就是使用是六价铬处理剂AKAOI50处理剂,六价铬处理剂AKAOI50处理剂是液态的,如果用AKAOI50处理剂,是将AKAOI50六价铬处理剂原液装在喷枪中,喷在完整的制作真皮产品皮料的背面,从背面(毛面)喷洒,直到另一面发凉、有湿透的感觉,刚好合适,然后在稍微喷洒表面即可(部分)的颜料涂饰剂是含有六价铬的,所以表面要稍微喷涂)如果是皮料颜色较浅的,就在背面喷涂,令其渗透到表面处。这是在产品半成品或产品阶段降低六价铬含量。

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