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NOW DISCONTINUED - PLEASE USE ALTERNATIVE FROM JOHNSTONES:
Johnstones Mordant Solution 5L
Acid base in water and water miscible solvents designed as a pre-treatment for galvanised steel.
Galvanised Steel. Apply evenly and allow time to react, giving even black or dark grey surface.
COVERAGE:20m2 per Litre
AVAILABILITY:1 & 5 Litre
ADDITIONAL INFO:After the reaction surface should be rinsed with water.