The product is specially formulated for the leather tanning process, which can accurately adjust the pH of the tanning solution to between 3.5 and 5.5, which is the optimal range for tanning reaction. It can accelerate the tanning reaction speed, improve the shrinkage temperature of leather, and improve the quality of finished leather. It has low impurity content, which will not affect the color and texture of leather, and will not cause secondary pollution to the leather production wastewater. It is easy to dissolve in water, easy to dose, and suitable for large-scale automated leather production lines. It complies with EU REACH environmental protection standards, helping leather enterprises meet environmental protection requirements.
The product presents as white crystalline powder, with minimum purity of 90%, maximum moisture content of 10%, pH value of 10% aqueous solution between 8.0 and 9.0, heavy metals content not exceeding 30ppm, 80 mesh pass rate ≥95%, ash content ≤0.5%, chloride content ≤0.2%, sulfate content ≤0.1%. It is packaged in 50kg woven bags, stored in a ventilated and dry place to avoid moisture agglomeration, with a shelf life of 12 months. Particle size and purity can be adjusted according to customer needs.
This product is mainly used in various leather tanning processes, including chrome tanning, vegetable tanning and combination tanning, suitable for cattle hide, sheepskin, pigskin and other leather production. It is suitable for small, medium and large leather tanning enterprises, which can help improve production efficiency, reduce production costs, improve the quality of leather products, and meet the environmental protection requirements of the leather industry.
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