Othmro Fluorine Rubber O-Rings 3.5mm OD 1.5mm ID 1mm Width, Sealing Gasket, Black,Pack of 50

Circular Cross-Section They are circular in shape, round in cross-section. Designed for use in a wide variety of sealing applications. With low gas permeability, are commonly used as gaskets in fuel system sealing applications. Fluoroelastomer (FKM) O-Ring Noted for their very high resistance to heat and a wide variety of chemicals. Excellent resistance to aging and ozone, very low gas permeability and the fact that the materials are self-extinguishing. Excellent resistance to mineral oils and greases, aliphatic, aromatic and chlorinated hydrocarbons, fuels, non- flammable hydraulic fluids (HFD) and many organic solvents and chemicals. Generally not resistant to hot water, steam, polar solvents, glycol-based brake fluids and low molecular weight organic acids.