| About |
|---|
| Diakon® ST25G7 is a Polymethyl Methacrylate Acrylic material. It is available in Europe. Important attributes of Diakon® ST25G7 are: Flame Rated Good Toughness Typical application of Diakon® ST25G7: Automotive&& |
| Product Description | |
|---|---|
| Supplier | Lucite |
| Generic | PMMA |
| Material Status | Commercial: Negative |
| Features | Good flexibility,HB |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.17 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 4.8 | g/10min | ISO 1133 |
| Shrinkage rate | 0.40 to 0.70 | % | |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.32 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 3.5 | kJ/m² | ISO 179-1eA |
| Charpy Unnotch Impact strength | 42 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | 3.4 | kJ/m² | ISO 180-1A |
| Multi axial instrumented impact energy | 1.50 | J | ISO 6603-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 92.0 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 104 | ℃ | ISO 306/A |
| — | 94.0 | ℃ | ISO 306/B |
| Linear coefficient of thermal expansion | |||
| MD | 1.0E-4 | 1/℃ | ASTM E831 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 | |
| Igniting temperature of the hot wire | 650 | ℃ | IEC 60695-2-13 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.490 | ISO 489 | |
| Transmittance | 91.0 | % | ASTM D1003 |
| Haze | 2.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 69 | ISO 2039-2 | |
| tensile strength | 58.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 15 | % | ISO 527-2 |
| Bending modulus | 2400 | MPa | ISO 178 |
| bending strength | 80.0 | MPa | ISO 178 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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