| About |
|---|
| Product Description | |
|---|---|
| Supplier | Double Elephant |
| Generic | PMMA |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| optical performance | Nominal value | Unit | Test method |
| Refractive index | 1.49 | ISO 489 | |
| Transmittance | >93 | % | ISO 13468-1 |
| Haze | 0.3 | % | ISO 14782 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | 7×10-5 | 1/℃ | ISO 11359-2 |
| Vicat Softening Temp | 101 | ℃ | ISO 306 |
| Hot deformation temperature | |||
| 1.8 MPa | 94 | ℃ | ISO 75-2 |
| 230 ℃ 3.8kg melt flow coefficient | 14 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 70 | MPa | ISO 527-2 |
| Tensile strain | 64 | % | ISO 527-2 |
| Bending strength | 120 | MPa | ISO 178 |
| Flexural modulus | 3200 | MPa | ISO 178 |
| Rockwell hardness | 93 | ISO 2039-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1E+16 | ohms | IEC 60093 |
| Volumetric resistance coefficient | >10^14 | Ωcm | IEC 60093 |
| Dielectric resistance coefficient | >10^15 | IEC 60167 | |
| Dielectric strength | 20 | Ω | IEC 60243-1 |
| Dielectric constant | 3.5 | Kv/mm | IEC 60250 |
| Other properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Water absorption rate | 0.3 | % | ISO 62 |
| Flame retardant level | HB | UL 94 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shrinkage rate | 0.2-0.6 | % | ISO 294-4 |
| Density | 1.19 | ISO 1183 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 1.4 | kJ/m² | ISO 179-1 |
| Notes |
|---|
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