PRODUCT DETAILS
PMMA HW55 (High Temperature Resistant) Material Data
PMMA HW55 is a high temperature resistant polymethyl methacrylate with excellent tensile strength, rigidity, and optical clarity. It provides superior heat deflection temperature, making it ideal for automotive, electronics, and industrial applications requiring both durability and transparency.
Key Features
- High heat resistance with HDT up to 93℃
- Excellent tensile and flexural strength
- Good optical clarity with low haze
- Reliable dimensional stability and durability
Typical Properties
| Property | Test Standard | Condition | Unit | HW55 |
|---|---|---|---|---|
| Specific Gravity | GB/T 1033 | — | g/cm³ | 1.19 |
| Melt Flow Index | GB/T 3682 | 230℃ / 3.8 kg | g/10min | 2.0 |
| Tensile Strength | GB/T 1040 | 50 mm/min | MPa | 87 |
| Elongation at Break | GB/T 6344 | 50 mm/min | % | 2 |
| Flexural Strength | GB/T 9341 | 2 mm/min | MPa | 91 |
| Flexural Modulus | GB/T 9341 | 2 mm/min | MPa | 2599 |
| Izod Impact Strength | GB/T 1843 | 1/8 inch | kJ/m² | 2.4 |
| Light Transmittance | GB/T 2410 | T (C) | % | 88.5 |
| Haze | GB/T 2410 | H (C) | % | 4.2 |
| Heat Deflection Temp. | GB/T 1634 | 1.8 MPa | ℃ | 93.3 |
| Flammability | GB/T 2048 | 1.5 mm | Class | HB |
Injection Molding Recommendations
- Pre-drying Temperature: 60–80 ℃
- Pre-drying Time: 3–4 hours
- Melting Temperature: 210–240 ℃
- Mold Temperature: 50–70 ℃
Disclaimer
The property data listed are typical values for reference only. They are not guaranteed specifications and should not be used as inspection criteria. Users must evaluate the material under their own processing conditions to confirm suitability for intended applications. Responsibility for end-use performance lies solely with the user.
Source: Su Master New Materials (Guangdong) Co., Ltd. — Technical Data Sheet (HW55)


