Optical Brightener OB Whitening Agent - 99% Purity, 355-360°C Heat Resistance for Plastics & Fibers
Price:
Negotiable
MOQ:
1 ton
Delivery Time:
Negotiable
Brand:
RUNYE
Product Description
Product Overview
Optical Brightener OB is a high-performance diphenylethylene bisbenzoxazole compound engineered for superior whitening effects across multiple industrial applications. This premium whitening agent delivers exceptional fluorescence intensity and thermal stability.
Key Features & Benefits
- High whitening strength with strong fluorescence intensity
- Excellent high-temperature resistance up to 360°C
- Broad compatibility with polyester, nylon, and various plastics
- Superior resistance to heat, sunlight, chlorine bleaching, and migration
- Enhances whiteness in recycled materials including polyester waste and bottle materials
Applications
Primary Applications
- Whitening of polyester fiber, nylon fiber, and polypropylene fiber
- Polypropylene plastics, hard PVC, ABS, EVA, polystyrene, and Makrolon
- Polyester and nylon textiles and fabrics
Recommended Dosage
Per 1000kg raw material:
• EVA, PP fiber, nylon, PC, PVC: 75-200 grams
• Polyester fiber: 75-300 grams
• EVA, PP fiber, nylon, PC, PVC: 75-200 grams
• Polyester fiber: 75-300 grams
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Yellowish green powder |
| Purity | ≥99% |
| Melting Point | 355-360°C |
| Volatile Content | ≤0.5% |
Packaging & Storage
Standard packaging: 25kg/bag. Custom packaging available upon request. Store in dry conditions and protect from light exposure.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Zhengzhou Runye Chemical Co., Ltd
Location
11th floor, Leding Square, Power Plant Road, Zhongyuan District, Zhengzhou, Henan, China