
Topcoat PU - 2K System
Topcoat PU TOPCOAT-PU is a chemical resistant Two pack Polyurethane coating suitable for application by brush or spray. This is recommended for the application in the areas of corrosion resistance, insulation, wood protection, textiles, metals, silver wares, precious metals and even for paper protection. It is supplied in two packs, where one part is the basic polymer and the second part is the Hardener. This provides high chemical resistant hard coating. It is also resistant to oil/alkali, alcohols, salt water and solvents.
This is recommended for structural steels and equipments in fertilizer industry, heavy chemical industry, offshore oil rigs, units situated in coastal areas exposed to severe saline atmospheres. Also used for exterior surface of rail coaches for high abrasion and gloss retention properties. It is resistant to aggressive corrosion and high abrasion and impact resistance, high micron build up, fast application and curing capability at temperature below Sub Zero Temperatures. The paint does not need any primer, etching, or phosphating. This paint can be applied directly even on zinc plate. Topcoat has brine sea water corrosion resistance.
Topcoat PU Typical Properties | |
Nature | Composite |
Colour | Transparent, Red, Yellow, White, Smoke, Grey |
Temperature resistance | 200 Degree C |
Drying (Tack Free) Time | Surface dry 15 - 30 minutes |
Touch Dry | 8 Hours |
Recotability Time | Not less than 80 Minutes |
Inerval before over coating | 8 Hours |
Complete Curing Time | 24 Hours |
Number of Coats | Depends on the substance and usage |
Adhesion | Depends on surface type verying from EXCELLENT to GOOD |
Breathability | Excellent |
Finish | Glaze / Semi Glaze(20% Gloss for Paint) / Matt |
Flash point | Above 30 degrees |
Pot Life | As indicated on the packaging |
Storage Life | 12 Months |
Dry Film Thickness | Transparent 25 - 60 microns, Metal Oxide / Ceramic loaded 30 - 60 microns |
Coverage without Loss Factor Coverage with loss factor 20% Coverage with loss factor 30% Coverage with loss factor 40% |
15 sq.meters / litre 12 sq.meters / litre 10.55 sq.meters / litre 9 sq.meters / litre |
Thinner | Thinning will be done with our Insulthin |
Packaging | 500 ml, 1 Litre |
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