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Excellent adhesion to glass and various substrates, ensuring strong interfacial bonding in laminated safety glass.
High optical clarity and low haze, meeting stringent requirements for automotive and architectural glazing.
Superior impact resistance and energy absorption, contributing to enhanced safety performance in laminated glass applications.
Good thermal stability and processing compatibility with standard PVB film extrusion and lamination equipment.
Consistent molecular weight distribution and hydroxyl content, enabling reliable batch-to-batch reproducibility.
Primary resin component in polyvinyl butyral (PVB) interlayers for automotive laminated windshields.
Key raw material for architectural safety glass used in facades, skylights, and overhead glazing.
Base polymer for specialty PVB films requiring high transparency and mechanical resilience.
Functional binder in advanced composite interlayers incorporating acoustic or solar-control additives.
Resin feedstock for custom-formulated PVB solutions targeting anti-shatter and blast-resistant glazing systems.
| Chemical Type | Polyvinyl butyral (PVB) copolymer |
| Product Form | Free-flowing white granular powder |
| Appearance | Off-white to light yellow granules, free of visible impurities |
| Butyral Content | 65–70 wt% (typical) |
| Hydroxyl Content | 18–22 wt% (typical) |
| Vinyl Acetate Residue | < 1.5 wt% |
| Viscosity (4% w/v in ethanol) | 4.0–5.5 mPa·s (at 20°C) |
| Moisture Content | < 0.5 wt% |
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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
