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PMMA KG20(Scratch-resistant)
PRODUCT DETAILS
PMMA KG20 (Scratch-Resistant)
PMMA KG20 is a scratch-resistant acrylic resin that offers high optical transparency, excellent rigidity, and balanced mechanical performance. It provides a durable surface with 3H hardness, making it suitable for displays, panels, automotive interiors, and other applications requiring enhanced surface protection.
Typical Indicators
| Category | Property | Test Standard / Condition | Unit | Value |
|---|---|---|---|---|
| Physical | Specific Gravity | GB/T 1033 | g/cm³ | 1.182 |
| Physical | Melt Index (230℃ / 3.8kg) | GB/T 3682 | g/10min | 3 |
| Mechanical | Tensile Strength (10mm/min) | GB/T 1040 | MPa | 87 |
| Mechanical | Elongation at Break (10mm/min) | GB/T 6344 | % | 1 |
| Mechanical | Flexural Strength (2mm/min) | GB/T 9341 | MPa | 131 |
| Mechanical | Flexural Modulus (2mm/min) | GB/T 9341 | MPa | 3242 |
| Impact | Izod Impact Strength (Notched, 1/8") | GB/T 1843 | KJ/m² | 2.7 |
| Optical | Light Transmittance (3mm) | GB/T 2410 | % | 92.2 |
| Optical | Haze (3mm) | GB/T 2410 | % | 2.2 |
| Thermal | Heat Deflection Temperature (1.8MPa) | GB/T 1634 | °C | 84 |
| Flammability | Fire Rating | GB/T 2048 | — | HB |
| Surface | Scratch-Resistant Hardness | — | — | 3H |
Recommended Injection Molding Conditions
- Pre-drying Temperature: 60–80 °C
- Pre-drying Time: 3–4 hours
- Melting Temperature: 210–240 °C
- Mold Temperature: 50–70 °C
Note: The above data represent typical reference values and not guaranteed specifications. Users should perform validation under actual processing and usage conditions before application.