Description
DICHTOMATIK Back-Up Ring, 4.109 in Inside Dia, Cross Section: 0.139 in, Dash Number: 243, 90 Shore A Durometer, Standard Hardness, 5 to 390 deg F, FKM, Black
Features:
- FKM materials are noted for their very high resistance to heat and a wide variety of chemicals
- Other key benefits include excellent resistance to aging and ozone, very low gas permeability and the fact that the materials are self-extinguishing
- Standard FKM materials have excellent resistance to mineral oils and greases, aliphatic, aromatic and chlorinated hydrocarbons, fuels, non-flammable hydraulic fluids (HFD) and many organic solvents and chemicals
- FKM materials are generally not resistant to hot water, steam, polar solvents, glycol-based brake fluids and low molecular weight organic acids
Standards/Approval:
- ASTM D1418
- DNV Approved
- ISD Certified
- NFPA Listed
- PTDA Certified
