The advantages of sodium sulfide leather industry hair removal and the four factors affected | Jiujiang Huirong Chemical Co., Ltd.
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The advantages of sodium sulfide leather industry hair removal and the four factors affected

The advantages of sodium sulfide leather industry hair removal and the four factors affected

Sulfide hair removal under alkaline conditions appeared much later than other hair removal methods such as sweat hair removal, enzyme hair removal and lime hair removal, but after its appearance, it has been in the hair removal process of tanning. Occupy the dominant position, this is because it has the unparalleled advantages of other hair removal methods:

(1) Depilation is clean and fast;

(2) Depilatory materials are easy to obtain and low in cost;

(3) The hair removal operation is simple and easy to control, which can realize hair removal or depilation;

(4) The product quality is good and relatively stable, and the applicable leather types are wide.

Two: Four factors affecting sodium sulfide hair removal

(1) The temperature of the depilatory liquid has little effect on the dissolution of hair, but increasing the temperature is beneficial to the loosening of hair roots;

(2) The hair removal effect of sodium sulfide depends on the concentration of sodium sulfide, the higher the concentration, the better the hair removal effect;

(3) The type and amount of alkali have a great influence on the depilatory effect of sodium sulfide. The higher the PH value of the depilatory solution, the better the depilatory effect;

(4) Under the same conditions, the presence of salt will reduce the depilatory effect of sodium sulfide, and some salts will increase the depilatory effect of sodium sulfide-lime, because the addition of salt will increase the PH value of the depilatory liquid;

      Disclaimer: The message comes from the China Leather and Footwear Industry Research Institute, edited by Huirong editor to infringe and delete.


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