Polymethyl Methacrylate (PMMA) SX-304
Product Overview
Polymethyl Methacrylate (PMMA) SX-304 is a high-quality transparent thermoplastic offering exceptional optical clarity and light transmission properties. This versatile material serves as an excellent lightweight and shatter-resistant alternative to glass in numerous applications.
Chemical Formula: (C₅O₂H₈)ₙ | CAS No.: 9011-14-7
Technical Specifications
PMMA SX-304 Technical Properties
| Property | Test Standard | Unit | Value |
|---|---|---|---|
| Refractive index | ISO489 | - | 1.49 |
| Transmittance | ISO13468-1 | % | 93 |
| Haze | ISO-14782 | % | 0.3 |
| Coefficient of linear thermal expansion | ISO11359-2 | 1/°C | 7×10⁻⁵ |
| Vicat Softening temperature (VST) | ISO306 | °C | 107 |
| Load heat distortion temperature (1.82Mpa) | ISO75-2 | °C | 100 |
| Melt flow index (MFI) 230°C/3.8kg | ISO 1133 | g/10min | 2.2 |
| Tensile strength | ISO 527-2 | MPa | 76 |
| Tensile rate | ISO 527-2 | % | 6 |
| Bending strength | ISO 178 | MPa | 140 |
| Flexural modulus | ISO 178 | MPa | 3300 |
| Charpy impact strength (with notch) | ISO 179-1 | KJ/m² | 1.4 |
| Rockwell hardness | ISO 2039-2 | - | 101 |
| Surface resistivity | IEC 60093 | Ω | >10¹⁶ |
| Volume resistivity | IEC 60093 | Ωcm | >10¹⁴ |
| Dielectric coefficient of resistance | IEC 60167 | Ω | >10¹⁵ |
| Dielectric strength | IEC 60243-1 | Kv/mm | 20 |
| Dielectric constant | IEC 60250 | - | 3.5 |
| Density | ISO 1183 | g/cm³ | 1.19 |
| Molding shrinkage | ISO 294-4 | % | 0.2-0.6 |
| Water absorption | ISO 62 | % | 0.3 |
| Flame retardant | UL 94 | - | HB |
Applications
- Optical Applications: Lenses, light guides, optical displays, and precision optical components
- Automotive Industry: Light covers, instrument panels, headlight lenses, and interior trim
- Construction: Windows, skylights, architectural glazing, and outdoor signage
- Medical Devices: Medical equipment housings, incubators, and laboratory equipment
- Consumer Products: Aquariums, furniture components, household items, and decorative elements
Key Properties
- Excellent optical clarity and light transmission
- Good weather resistance and UV stability
- High surface hardness and scratch resistance
- Good electrical insulation properties
- Easily fabricated and thermoformed
- Lightweight alternative to glass
Packaging and Storage
Packaging Options
- 25kg bags with protective lining
- Custom packaging available upon request
Storage Recommendations
- Store in dry conditions away from direct sunlight
- Protect from dust and moisture
- Maintain stable temperature conditions
- Avoid exposure to organic solvents
Manufacturer
Double Elephant
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For detailed specifications, pricing, and availability of PMMA SX-304, please contact our sales team.
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