XL-9700(TM) piston seal material is for Wob-1(reg) piston air compressors and vacuum pumps. The XL-9700 material is resistant to heat, and is used in the 2639 and 2650 Series of Wob-1 piston units for use in oxygen concentrators.
Thomas Industries, Box 29, Sheboygan, WI 53082, FAX (920) 451-4276.
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