Pre-painted Galvanised Product

Product Details JSW Steel Limited is committed to continuously add value to its product offering through constant product innovation. It's state-of-art pre-painted galvanised steel facility, with an annual capacity of 1 lac tonne, offers products with an unique blend of advantages - the strength of steel, the corrosion resistance of galvanized coating and an aesthetic appeal of paint. Backed by the trusted name and quality of JSW Steel, this new product is sure to add colour to the world of steel users. Fundamental Product Structure A - Cold rolled steel ..... substrate 1 - Zinc coat 2 - Pre-treatment (chromating) 3 - Primer 4 - Top coat 5 - Backer coat 6 - Guard film (optional) Product Specifications Substrate Galvanised steel Zinc coating (gsm) 90-275 Hardness (HRB) 55-95 Yield strength (mpa) 240-700 CoiliD (mm) 508 Thickness (TCT in mm) 0.25-1.00 Width (mm) 600-1250 Cut-to-Iength (mm) 500-4800 Coil weight (t) 2-10 (if with guard film: 1-2.5 t) Profile Corrugated, trapezoidal or any other as per customer's requirement Guard film (microns) 30-40 (optional) Standards JIS G 3312, ASTM A 755, EN 10169-1, IS 14246-1995 Paint system* Primers : Epoxy, polyester/ universal Top coat : Regular Modified Polyester (RMP) Backer coat : Epoxy, polyester Characteristics Primer top coat (micron) 7 (max.) Top coat (micron) 20 (max.) Primer + Backer coat (micron) 12 (max.) Colour As per RAL code/ customer's requirement Gloss Matte 35% (+ /- 5%)/ semi-gloss 60% (+/- 5%) high gloss > 70% Performance testing Pencil hardness H (min.) Impact test (in Joules) As per JIS G 3312 Salt spray test 750 hrs Adhesion test (cross-hatch) 100% Erichsen cupping test 7mm Humidity test 1000 hrs T-Bend test (T = substrate thickness) 2 T (no tape loss) Solvent rub test (MEK- double rub) >50 rubs Chemical resistance 5% NAOH, 5% H2SO4 No blistering, discolouration and softening of paint film. Max. operating temp. 120