Performance and Characteristics: Richite Chemical's hot-melt coating brightener K-4 enhances the whiteness, brightness, vividness, and transparency of products, preventing yellowing and fading, significantly improving their quality. It is easy to use, requires minimal dosage, and delivers a significant whitening effect.

Applications: Suitable for soft plastics, including PVC pipes, PP pipes, PE pipes, profiles, gussets, plastic granulation, PP woven bags, plastic blown film, and bubble wrap.

Dosage: Dissolve evenly in the product or solvent, adding 0.01%-0.05%.