Heldite Jointing Compound is a high performance sealant for preventing leakage of Diesel Fuel, Hydraulic Fluids, Oils, Paraffin, LPG's, Water, Steam and Gasses.

Heldite has no effect on metals, rubber or other materials with which it is in contact.

Heldite contains no abrasive material and will not damage highly machined joint faces or such components as aluminium cylinder heads.

Heldite is manufactured to commercial specification 68-145/1