Optical whitening agent OB-1 can be widely used in plastics such as PVC, PS, ABS, PE, PP, etc. due to its superior fluorescent whitening effect, good thermal stability, and low addition amount.

Use：Optical brightener agent OB-1 is used in the molding of various plastics and plastic products at high temperature. E-value:1900-2000. Due to its excellent properties of heat resistance, high E-value,light resistance, the whitening effect for which can greatly improve PVC pipe, plastic steel door and window, gusset and gusset angle, etc., so that your product is whiter. is especially ideal. Ob-1 can also be used for plastic whitening such as ABS, PS, HIPS, PA, PC, PP, EVA and hard PVC, molding powder，Powder coatingetc. Optical brightener OB-1 can also be significantly improved when it is added to polyamide fiber, nylon and polyester.

Recommended Dosage：It is evenly dissolved and dispersed in the product or solvent, and the addition amount is 0.01%-0.05% (10-50g per 100kg of product).

Packing： (25 kg × 1) /drum,(1 kg × 1) bags.