| About |
|---|
| Diakon® MH251 is a Polymethyl Methacrylate Acrylic material. It is available in Europe. Primary attribute of Diakon® MH251: Flame Rated.&& |
| Product Description | |
|---|---|
| Supplier | Lucite |
| Generic | PMMA |
| Material Status | Commercial: Negative |
| Features | HB |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.18 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 1.0 | g/10min | ISO 1133 |
| Shrinkage rate | 0.40 to 0.70 | % | |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.30 | % | ISO 62 |
| Average particle size | 600 | µm | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 2.2 | kJ/m² | ISO 179-1eA |
| Charpy Unnotch Impact strength | 23 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | 2.1 | kJ/m² | ISO 180-1A |
| Multi axial instrumented impact energy | 0.600 | J | ISO 6603-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 106 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 102 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 117 | ℃ | ISO 306/A |
| — | 109 | ℃ | ISO 306/B |
| Linear coefficient of thermal expansion | |||
| MD | 7.1E-5 | 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 | 92.0 | % | ASTM D1003 |
| Haze | 0.40 | % | ASTM D1003 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Crack resistance | > 1.0 | hr | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 99 | ISO 2039-2 | |
| Ball hardness | |||
| H 961/30 | 190 | MPa | ISO 2039-1 |
| tensile strength | 85.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 5.0 | % | ISO 527-2 |
| Bending modulus | 3400 | MPa | ISO 178 |
| bending strength | 120 | MPa | ISO 178 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |