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Excellent transparency and UV stability for long-term outdoor performance.
High melt flow index enabling efficient extrusion and injection molding processing.
Good impact resistance combined with inherent rigidity and dimensional stability.
Low moisture absorption ensuring consistent mechanical properties in humid environments.
Compatible with common plasticizers and polymer blends for formulation flexibility.
Automotive interior trim components including instrument panels and decorative bezels.
Consumer electronics housings requiring high-gloss, scratch-resistant surfaces.
Medical device enclosures where optical clarity and biocompatibility-supporting processing are essential.
Architectural glazing sheets and light-diffusing panels for LED lighting systems.
Signage and display materials demanding weatherability and color retention.
| Chemical Type | Poly(methyl methacrylate) – thermoplastic acrylic resin |
| Product Form | Pellets |
| Appearance | Transparent, free-flowing granules |
| Melt Flow Index (230°C / 3.8 kg) | 8–12 g/10 min |
| Density (23°C) | 1.17–1.20 g/cm³ |
| Transmittance (at 550 nm, 3 mm) | ≥92% |
| Notched Izod Impact Strength (23°C) | 15–20 kJ/m² |
| Primary Applications | Extrusion, injection molding, and thermoforming |
Q1: What is the primary function of BN641 in thermoplastic formulations?
A: BN641 functions primarily as a high-clarity, low-viscosity thermoplastic acrylic resin used to enhance surface gloss, improve scratch resistance, and provide excellent compatibility with polycarbonate, ABS, and other engineering thermoplastics in transparent or colored applications.
Q2: Is BN641 suitable for outdoor applications requiring UV stability?
A: Yes — BN641 exhibits inherent UV resistance due to its saturated acrylic backbone, making it well-suited for outdoor-facing components where long-term color retention and minimal yellowing are critical, especially when compounded with appropriate UV stabilizers.
Q3: How is BN641 typically processed in industrial manufacturing?
A: BN641 is readily processable via standard thermoplastic methods including injection molding, extrusion, and blow molding. It demonstrates good melt flow and thermal stability up to typical processing temperatures for acrylic-modified systems, without significant degradation or volatilization.
Q4: Can BN641 be blended with other resins to modify mechanical properties?
A: Yes — BN641 is widely used as a compatibilizing or modifying agent in blends with polycarbonate, ABS, and PMMA to improve impact performance, reduce brittleness, and enhance optical homogeneity without sacrificing transparency.
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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
