Rockfort Zinc Chromate R.O.M. primer is a quick drying highly effective rust preventing primer based on synthetic resin pigmented with zinc chromate. It meets the performance requirements of Indian standard specification IS 2074, It is mainly used as a general purpose primer for the protection of Aluminium, light alloys, mild steel, galvanized iron surfaces in moderately corrosive atmosphere in exterior and interior environment.

TECHNICAL DATA

Finish	:	Smooth and Matt
Colour	:	That of Red Oxide
Consistency	:	100 + 5 sec in ford cup number 4
Drying time	:	Surface dry 20 minutes
		Hard dry over night
Recoating	:	After 12 hours finish coat can be applied, normally no sanding required but light scuffing to remove surface dust
Coverage	:	By brush : 17 to 20 m2 per Ltr per coat By spray : 13 to 16 m2 per Ltr per coat

SURFACE PREPARAION

For Hot rolled mild steel sheet mild abrasion to remove rust, mill scale etc., Surface can be treated with appropriate pretreatment chemical to give corrosion resistance surface. Solvent wipe or detergent solution wipe can be used to remove grease, oil and etc., same treatment can be followed for Aluminium alloys, Galvanized iron.

APPLICATION METHODS, DETAILS, CONDITION

Rockfort zinc chromate R.O.M. primer is supplied in a uniform consistency suitable for application by brushing without appreciable drag on the brush , it can also be sprayed by thinning with Rockfort enamel thinner ET - 101 up to 20 %. Dry film thickness of 20 to 25 microns is indicated film thickness to give a proper adhesion and corrosion inhibition.

PACKING - 20, 4 ltr