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Product introduction:

HB-7531 is a special amine organic substance, which can prevent the oxidation brittleness of polyamide fiber and its blended fabric with elastic fiber, reduce the yellowing caused by heat and photochemistry; it can obtain the best fiber protection effect before heat treatment.

Reference process:

     Can reduce the yellowing caused during the molding process at 190-200 ℃

Suitable for padding process (because this product is not directly dyed on the fiber, it can only be used for padding)

Padding method:

Anti-yellowing agent HB-7531: 30-60g / L, padding (one dipping, one dipping or two dipping, two rolling) at room temperature, with a strip rate of 80-85%, heat setting

Precautions:

It is recommended that when used in the same bath with other additives, a small test should be performed first to eliminate the risk;