Shenotan JNA
【Chemical Nature】
Compound of synthetic tanning agent and organic acids
【Properties】
Shenotan JNA is easy to dissolve in water. It is compatible with all conventional anionic retanning agents.
The buffering action of Shenotan JNA prevents the pH from increasing excessively during the neutralization process. This ensures that the leather responds well to dyeing, and retains its firm grain and fine grain pattern.
In retanning, Shenotan JNA helps to keep the pH stable and disperses anionic retanning agents, allowing them to penetrate evenly through the cross-section of the leather.
Shenotan JNA helps to prevent the formation of chromium VI in leathers.
【Characteristic feature】
Physical form: Fine, off-white powder
Effective Substance（%）：≥94
PH Value（1:10）：6.5~8.0
【Application】
Shenotan JNA can be applied alone or in combination with other neutralizing agents. Superior results can be obtained if Shenotan JNA is added in advance of non-buffering neutralization agents.
Shenotan JNA performs well in combination with syntans and vegetable retanning agents. The dosage is 1%~5% based on shaved weight.
【Transportation and Storage】
Shenotan JNA is categorized as non-DG cargo, can be transported and stored normally. The powder and liquid products have a shelf life of at least one year if they are stored in their tightly sealed original packaging at temperatures between 0 ℃ and 40℃. Bags should be tightly resealed each time material is taken from them, and their contents should be used up as soon as possible after they are opened.
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