| http://www.w3.org/ns/prov#value | - A compressed non-asbestos gasket material sheet having an improvement which comprises in combination:a base including 25 to 75% by weight of at least two types of fibers selected from at least one of two groups of inorganic fibers other than asbestos and a group of organic fibers, the inorganic and organic fibers having a uniform mix completely free of asbestos; rubber as a binder for said base in
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