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High adhesion strength to glass and various substrates, ensuring reliable interlayer bonding in laminated safety glass.
Excellent optical clarity and low haze, meeting stringent requirements for automotive and architectural glazing.
Superior thermal stability and processability in extrusion and calendering operations.
Consistent batch-to-batch quality with tightly controlled butyral content and viscosity profile.
Low volatile organic compound (VOC) emission, supporting sustainable manufacturing and indoor air quality compliance.
Automotive laminated windshields and side windows.
Architectural safety glass for facades, skylights, and overhead glazing.
Photovoltaic module encapsulation layers for enhanced durability and moisture resistance.
Security glazing systems requiring bullet-resistant or blast-resistant performance.
Acoustic laminated glass for noise reduction in transportation and building applications.
| Chemical Type | Polyvinyl butyral (PVB) resin |
| Product Form | Free-flowing white granules |
| Appearance | Off-white to light yellow granular solid |
| Butyral Content | 65–69 wt% |
| Hydroxyl Content | 18–22 wt% |
| Residual Vinyl Alcohol Content | ≤ 1.5 wt% |
| Viscosity (4% w/v in ethanol/toluene 3:1, 20°C) | 4.0–4.6 dL/g |
| Moisture Content | ≤ 0.5 wt% |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
