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PRODUCTS >> Chroming agent

High efficient leather chroming agent

Trade name :High efficient leather chroming agent
Properties:It is navy blue formless powder, its solution is acidic liquid.
Technical standards:

Item	MH-A1	MH-A2	MH-B
Chromium trioxide(%)	25±1	21±1	19±1
Alkalinity (%)	25 ±3	25±3	____________
Ph of 10% solution	3.3≤0.2	3.5≤0.2	____________
Cr+6 Assay	≤0.3PPM	≤0.3PPM	=0.3PPM
Water insoluble matter %	≤0.2	≤0.3	____________
Fe	≤0.1	≤0.2	≤0.3
Appearance:It is navy blue and odorless powder

Inspection method:HG/T2678-95)
Feature: we add organic synthetic materials (hiding and crosslink aiding capacity) into basic chromium sulfate (low assay) to produce KX series of high-adsorbing high efficient chroming agents.It is widely used in the shoe industry of China, with such features:
A, It contains no Cr+6, thus it can meet the standards of EU
B, It contains several kinds of tanning agents, thus it lowers the dosage of chrome. It can offer mild surface, light color, good filling capacity and high leather yield.
C, high adsorption: the assay of Cr3 in waste liquid is not more than 0.5g/l, thus it can meet the discharging standard.
Dosage, Skin of pig an sheep 8-10%, retanning 2-5%,
Uses: Used in the tanning and retanning of leather.