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Optimized viscosity for high-solids, low-VOC coating formulations.
Excellent adhesion to glass, metals, and primed plastics.
Superior clarity and UV stability for long-term optical performance.
Consistent batch-to-batch quality ensured by Kuraray’s proprietary polymerization control.
Good compatibility with common plasticizers (e.g., triethylene glycol di-2-ethylhexanoate) and crosslinkers.
Laminated safety glass interlayers for automotive windshields and architectural glazing.
High-performance protective coatings for metal substrates in transportation and industrial equipment.
Binders in ceramic tile adhesives requiring enhanced flexibility and moisture resistance.
Base resin for specialty inks and overprint varnishes demanding gloss retention and substrate bonding.
Functional component in encapsulants for photovoltaic modules requiring optical transparency and dielectric integrity.
| Chemical Type | Polyvinyl butyral (PVB) copolymer |
| Product Form | Free-flowing white to off-white granular powder |
| Appearance | Uniform granules, free of visible impurities |
| Butyral Content | 65–70 wt% (typical) |
| Hydroxyl Content | 18–22 wt% (typical) |
| Residual Vinyl Alcohol | <1.0 wt% |
| Gel Content | <0.5 wt% |
| Primary Applications | Laminated glass interlayers, protective coatings, adhesive binders |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
