Green Henley General Purpose Mastic Compound

Designed as a general purpose non-hardening, water resistant mastic void filler.  Green Henley Mastic Compound is especially suitable for electrical installation work with rubber or polyethylene cables where it may be necessary to protect parts from moisture or fumes.

• Easy to store 1kg tub
• General purpose plastic compound
• Pliable 
• Non-hardening
• Water resistant
• Provides a barrier against moisture or fume ingress
• Ideal for filling of conduit or joint boxes and the sealing of other fittings in damp environments
• Sound deadening of metal plates
• For forming low pressure gaskets between mating faces
• Seals wiring looms at bulkheads
• Can be used to seal the ends of plastic cables
• Indefinite plasticity will not harden over time
• Non-hazardous