Physical and mechanical properties of silicone rubbers
| SILICONE BASES | Curing process | Applications | Density (g/cm3) |
Hardness (Shore A) |
Tensile strength (N/mm2) |
Elongation at break (%) |
Tear resistance (N/mm) |
Compression set (%) |
Working temp. |
|---|---|---|---|---|---|---|---|---|---|
| General purpose VMQ - MVQ |
- Injection moulding -Compression moulding - Extrusion - Steam cure |
- Cookware mould - Technical items - Rollers, hoses and profile - O-Rings |
1,11 - 1,40 | 40 - 80 | Min 6,5 | Min 150 | Min 10 | Max 30 | -50°C +225°C |
| High temperatures and flame resistance VMQ - MVQ |
- Injection moulding - Compression moulding - Extrusion - Steam cure |
- As above but with working temperature up to 275 °C |
1,11 - 1,24 | 40 - 80 | Min 8 | Min 250 | Min 8 | Max 30 | -50°C +275°C able to reach temperature peak of 300°C only for limited time |
| Low temperatures resistance PVMQ |
- Injection moulding - Compression moulding - Extrusion - Steam cure |
- Aerospace industry - Military applications |
1,09 - 1,30 | 35 - 70 | Min 5 | Min 200 | Min 6 | Max 35 | -100°C +225°C |
| High technology VMQ |
- Injection moulding - Compression moulding - Extrusion - Steam cure |
- Aerospace industry - Military applications |
1,11 - 1,19 | 40 - 70 | Min 12 | Min 450 | Min 20 | Max 20 | -55°C +225°C |
| Food and medical applications VMQ |
- Injection moulding - Compression moulding - Extrusion - Steam cure |
- Food items - Medical items |
1,06 - 1,19 | 30 - 80 | Min 7 | Min 400 | Min 20 | Max 35 | -60°C +225°C |
| High tear resistance MVQ |
- Injection moulding - Compression moulding - Extrusion - Steam cure |
- High mechanical performances technical items |
1,10 - 1,18 | 40 - 80 | Min 9 | Min 450 | Min 25 | Max 30 | -55°C +250°C |
| Electric insulation MVQ |
- Extrusion | - Electric cables | 1,20 - 1,65 | 50 - 80 | Min 10 | Min 150 | Min 5 | - | -55°C +225°C |
| Electrical and thermo conductive properties MVQ - PVQ - FVMQ |
- Injection moulding - Compression moulding - Extrusion |
- Technical items for conductive applications - Aerospace industry - Military applications |
1,11 - 3,50 | 30 - 80 | Min 2 | Min 100 | Min 4 | Max 60 | -55°C +225°C |
| Fluorosilicone FVMQ |
- Injection moulding - Compression moulding - Extrusion |
- Automotive applications - Suitable for gaskets in solvents and oils contact |
1,35 - 1,70 | 25 - 70 | Min 6 | Min 250 | Min 10 | Max 20 | -55°C +200°C |
Download file in .pdf formatPer la visualizzazione dei documenti in formato pdf è necessario Adobe Acrobat Reader.