Optical Brightener OB-1

Name: Optical Brightener OB-1
Brand: 杭州晟达新材料科技有限公司

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Description

Item	Specification
CAS NO	1533-45-5
Main Ingredients	4,4′-Bis (2-benzoxazolyl) stilbene
Appearance	Yellowish-green powder
Melting Point	350-365 degree C

1. Features

C.I: 393; Content: ≥ 98.5; Fineness: >200 mesh; Volatile matter: ≤ 0.5%; Ash content: ≤ 0.5%.

Mainly used for PVC (hard plastic), PP, PE, PA, PS, PC, ABS, PET and other resins whitening.
High temperature resistance. This is the product with the highest temperature resistance among all fluorescent brighteners currently available, making it the only choice for high-temperature processing of plastics. It is available in two specifications: green and yellow. The green phase emits a bluish light, while the yellow phase emits a bluish-violet light.
The weather resistance level is low and migration is likely to occur.

Packaging: 25 kg carton, cardboard drum or according to user requirements.

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产品Optical Brightener OB-1

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目的港/国家

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This estimate is for reference only and does not constitute a contractual commitment. Actual lead time depends on order details, material availability, production schedule, customs clearance and carrier capacity. Please contact us for a confirmed delivery date.