... NBR, Heat Resistance, Oil Resistance and Weather Resistance are better than NBRACMKeep the same Oil Resistance than NBR, Heat Resistance ... Resistance is badder than other RubberFKMHeat Resistance is better than VMQ, better oil and chemical Resistance,It's the best ... is synthetic fibre, the heat resistance and Loose resistance is better than all along Felt materials Application:1, prevent sediment, ...