High Quality Factory Direct Sales Are Widely Used Optical Brightener Ob - 1 CAS 1533-45-5

High Quality Factory Direct Sales Are Widely Used Optical Brightener Ob - 1 CAS 1533-45-5. High Whitening Strength: Excellent whitening effect with strong fluorescence for PVC, textiles, and plastics. Wide Application Scope: Suitable for polyester, nylon, polypropylene, ABS, EVA, and polystyrene materials. Custom Packaging: Packaging can be customized according to customer requirements (e.g., 25kg drums). Fast Delivery: Full stock available with delivery within 7-15 working days after deposit. Quality Assurance: Every batch is tested in the factory; COA and MSDS provided for quality verification. Cost-Effective Solution: Low price with good effect, making it a cost-effective plastic whitening product. High Temperature Resistance: Fine high-temperature resistance suitable for various processing conditions.