For this special application, our AVA57 has reduced levels of fillers allowing the material to have the proper strain & memory properties necessary for use as a stretch on rider ring. This filled PTFE material combines higher molding pressures with controlled particle size and high quality fillers to produce unique wear properties suitable for all gases including: Nitrogen, Hydrogen, Methane, Ethane, Ethylene and Natural Gas. Recommended Usage: Solid Rider Rings
