... In European and American countries, ASBESTOS FREE GASKET or NON ASBESTOS GASKET means the gasket that doesn't contain asbestos completely. But ... domestic market, we usually name the gasket containing certain asbestos (5-20) non-asbestos gasket, so it is supposed to ... Klinger, Garlock, Valqua, Gore, Frenzelit and so on. Non-asbestos gasket is usually used for petroleum base, lubricant, water and ...