Non-metal gaskets for use in manufacture of liquid crystal and semi-conductor; and electromagnetic interference shielding gaskets; non-metal packings, namely, packing materials having resistance to plasma and heat, packing made primarily of plastic and rubber, packing made primarily of plastic and rubber for use in manufacture of liquid crystal and semi-conductor

non-metal gaskets for use in manufacture of liquid crystal and semi-conductor; electromagnetic interference shielding gaskets; non-metal packings, namely, packing materials having resistance to plasma and heat; packings made primarily of plastic and rubber; packings made primarily of plastic and rubber for use in manufacture of liquid crystal and semi-conductor

non-metal gaskets for use in manufacture of liquid crystal and semi-conductor; electromagnetic interference shielding gaskets; non-metal packings, namely, packing materials having resistance to plasma and heat; packings made primarily of plastic and rubber; packings made primarily of plastic and rubber for use in manufacture of liquid crystal and semi-conductor