Acrylic Impact Modifier
Acrylic Impact Modifiers based on core-shell architecture provide outstanding toughening performance for rigid PVC without sacrificing weatherability or clarity. The rubbery acrylic core absorbs impact energy while the hard shell ensures compatibility and dispersion within the PVC matrix. They are the preferred choice for outdoor applications where UV resistance is a priority.
Technical Specifications
| appearance | White free-flowing powder |
| moisture (%) | ≤0.5 |
| bulk density (g/mL) | 0.30–0.50 |
| particle size (D50, μm) | 100–250 |
| impact efficiency (notched Izod, J/m) | ≥600 at 5 phr in PVC |
Applications
- Rigid PVC window profiles
- PVC siding and cladding
- Outdoor PVC pipe and fittings
- Transparent PVC sheet
- PVC injection molded parts
Key Features
- Core-shell architecture for superior impact toughening
- Excellent UV and weathering resistance
- Good transparency retention in clear PVC
- No adverse effect on thermal stability of PVC
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