Optical Brightener Lepuz
JAVA
Additive for Properties
Optical Brightener
Galic Bina Mada
Galic Bina Mada
Lihat Profil SellerHigh-Performance, Thermally Stable Brightener for Plastics, Fibers & Coatings – Permanent Whiteness with No Yellowing
LEPUZ OB-1 is a premium-grade optical brightener engineered to deliver a permanent “whiter-than-white” effect in polymers, synthetic fibers, and coatings. Unlike temporary surface treatments, OB-1 integrates directly into the material during manufacturing, absorbing UV light and re-emitting it as blue fluorescence to neutralize yellow tones. This results in enhanced brightness, improved color clarity, and long-lasting visual appeal—even under heat or UV stress. Ideal for polyester, nylon, recycled plastics, and industrial applications, LEPUZ OB-1 offers exceptional thermal stability (melting point up to 361°C), high purity (≥98%), and consistent dispersion. It’s a sustainable choice for manufacturers seeking reliable, eco-conscious performance without compromising on quality or aesthetics.
Specifications
- Appearance: Greenish powder (Visual inspection)
- Melting Point: 359–361°C (DSC or capillary method)
- Assay (Purity): ≥98 wt% (HPLC or titration)
- Particle Size: Passes 200 mesh sieve (Sieve analysis)
- Whiteness Index Improvement: 15–20% increase vs. untreated control (CIE Whiteness Test after UV/heat exposure)
Applications
- Synthetic fibers (polyester, nylon)
- Engineering plastics and molded parts
- Recycled polymer products
- Automotive interior components
- Household textiles and nonwovens
- Packaging films and containers
- Industrial and decorative coatings
Advantages
- Permanent whitening effect integrated into the bulk material
- Resists yellowing and fading under heat and UV exposure
- Enhances color vibrancy and perceived product quality
- High thermal stability suitable for high-temperature processing
- Excellent compatibility with common polymers and fibers
- Uniform dispersion due to fine particle size
- Supports sustainability goals in recycled material applications
Processing Conditions
- Add during melt compounding or polymerization stage
- Typical dosage: 0.01–0.05% by weight (varies by substrate)
- Processing temperature up to 350°C is acceptable
- Ensure thorough mixing for homogeneous distribution
- Compatible with twin-screw extruders and fiber spinning lines
Regulatory Compliance
- REACH registered
- RoHS compliant
- Not classified as hazardous under CLP/GHS (based on typical use)
- Suitable for industrial use in accordance with local chemical regulations
Storage Conditions
- Store in a cool, dry place below 30°C
- Keep container tightly closed to prevent moisture absorption
- Shelf life: 24 months when stored properly
Safety Information
- Refer to Safety Data Sheet (SDS) before handling
- Avoid inhalation of dust and contact with eyes/skin
- Use appropriate PPE including gloves and safety goggles
- Non-flammable but may decompose at high temperatures releasing fumes
| Brand | Lepuz |
|---|---|
| Manufacturer | Lepuz |
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