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Optimized viscosity profile for high-solids, low-VOC coating formulations.
Excellent adhesion to glass, metal, and various plastic substrates.
Superior thermal stability during lamination and drying processes.
Consistent batch-to-batch rheological performance for reliable process control.
High purity with low residual solvent and volatile content.
Safety interlayer film for automotive laminated windshields.
Architectural laminated glass interlayers in façades and skylights.
Functional coatings for anti-spall and blast-resistant glazing systems.
Adhesive layers in photovoltaic module encapsulation (EVA-compatible systems).
| Chemical Type | Polyvinyl butyral (PVB) copolymer |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Uniform granular solid, free of visible impurities |
| Butyral Content | 68–70 wt% (typical) |
| Hydroxyl Content | 18–20 wt% (typical) |
| Residual Vinyl Alcohol | < 5 wt% |
| Gel Content | < 0.5% (in methanol) |
| Primary Applications | Laminated safety glass interlayers, functional coatings |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
