Elastomers being semi-finished products in the form of sheets, blocks, pellets and rods, for use in the further manufacture of pumps and industrial machines, as lining for pumps and industrial machines, for grinding and dispersing machines; non-metal rings for sealing; sealing materials, not of metal; washers of rubber or volcanic fiber

analyzing and testing devices for testing and controlling of chemical and physical properties of raw and finished products - namely, heat scales; plastometers, strength testing machines, torsion meters, tension meters, temperature controls

Rotary lobe pumps and their parts