Engine Core plug sealant – Heldite 7ml vial

Suitable for sealing core plugs / welch plugs in both engine blocks and cylinder heads on installation.

Small 7ml vial – Perfect to seal one or two core plugs.

(Larger tins also available)

Heldite jointing compound is a high-performance sealant for preventing leakage of Petrol, Diesel Fuel, Hydraulic Fluids, Oils, Paraffin, LPG’s, Water, Steam and Gases in all branches of Automotive, Auto mechanical, Electrical and General Engineering, Plumbing, Heating and Pipeline Services. Heldite is a thick liquid compound that can be applied to any joint either with or without a gasket.

https://www.rustins.ltd/images/files/2180-InfoSheet-Heldite%20Leaflet.pdf