Advantages of Rubber Gaskets
A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression.
Chemical Compatibility :
Air, 200 – 300 °F – Silicone
Beer – EPDM
Chlorine Water – Viton (FKM)
Gasoline – Buna-N or Viton (FKM)
Hydraulic Oil (Petroleum Base, Industrial) – Buna-N
Hydraulic Oils (Synthetic Base) – Viton
Water – EPDM
Motor Oils – Buna-N
Specifications:
| Test Criteria
| Unit | Given Values | Test Method |
| Base elastomer IR Density Hardness | g/cm3 ShA/IRHD-M | Indicate Indicate) 60-80 | DIN 5145 1 ISO 1183-1 (A) ISO 761901/ISO 48 M |
| Compression Set NBR 24h bei +100’C in Umluft | max 30% max 30% | ISO 815-1 Method A | |
| Ageing at warm air NBR 168h bei +100’C in Umluft FKM/ FVMQ 168h bei +150’C in Umluft Change of hardness | shA/IRHD-m | NBR 0 +12 FKM 0 +5 FVMQ 0 +5 | ISO 188 |
| Diesel Resistance 72+/- 2 h bei(+60+/-2) ‘C Change of volume% | shA/IRHD-m | NBR -12 0 FKM/ FVMQ -5 0 NBR 0 +20 FKM/FVMQ 0 +8 | ISO 1817 Test Diesel Liquid F |
| Biodiesel Resistance 72+/- 2 h bei(+85+/-2) ‘C | shA/IRHD-m | NBR -10 0 FKM/ FVMQ -5 0 NBR 0 +15 FKM/FVMQ 0 +8 | ISO 1817 Test Diesel RME to DIN EN 14214 |
| Cold temperature Standard | Tr ‘C | NBR max -32 FKM max -18 FVMQ max -45 | DIN 5376-A-10 |