Colorite Hi-Build

COLORITE Hi-Build is a pre-painted galvanized steel developed to provide a durable material for exterior applications with good formability, good chemical resistance and corrosion resistance, suitable for highly aggressive (C4 & C5) environment condition. The paint is a high build Polyurathene Polyamide system, applied on a Galvanized substrate of Minimum 275 gsm zinc coating, with paint film thickness ranging from 60 microns to 120 microns on weathering side.

Substrate

Galvanized steel G90 (275gsm) Minimum CS Type A&B, FS Type A&B, SS33, SS40 & SS50

Typical Uses

Roofing and walling panels for building in Marine and Industrial environments.

Dimensions: (For normal supply products)

Thickness* (mm)	Width** (mm)
From 0.70 to 1.20	From 50 to 1320

* For grade SS50, minimum thickness is 0.50 mm ** For width less than 1000 mm are supplied with slit edge For specific dimensions please contact Sales and Marketing Dept.

Pretreatment	Corrosion resistance proprietary conversion coating.
Primer Coat	Universal Corrosion inhibitive Primer High Build thickness 30 microns.
Finish Coat	Custom formulated system. High Build thickness-30 microns to 90 microns on the top or weather side. The finish coat is available on all RAL standard colours and other colours may be available on request.
Backing Coat	Custom formulated Backer-5-7 microns Special backer suitable for foam application can also be provided Back coat can be in the same top coat color and DFT as required
Gloss (60˚)	Nominal 20 – 30% (60˚) Other gloss levels may be available on request

Guaranteed Paint Properties

Test	Test Method	Description	Results
Hardness (Pencil)	ASTM D 3363	Pencil	H or harder
Adhesion -T bend	ASTM D 4145	T-bend	1T or less (No Pickoff)
Flexibility	ASTM D 4145	T-bend	1T or less (no cracking)
Adhesion – Reverse impact	ASTM D 2794	Reverse impact	> 10 joules
Cross Hatch	ASTM D 3359	Cross hatch	> No paint removal
Gloss 60˚ (%)	ASTM D 523	Gloss	20 – 30
Color Difference	ASTM D2244	Light colors Δ E – ≤1.0 Medium Colors Δ E – ≤ 1.5 Dark Colors Δ E – ≤2.0 / Visual match Metallics Visual match

Expected Product Service Performance

Property	Test Method	Description	Results
Resistance to UV (QUV-A) ASTM G53	Exposure Hours		2000 Hrs
	ASTM D2244	Color Change	DE Hunterlab – Light color ≤3 Int.Color ≤5 Dark color ≤7
	ASTM D4214	Chalking	ASTM Rating 6
	ASTM D523	% Gloss Retention	≥ 50
Natural well washed exposure ASTM G7	Exposure Hours		15 Yrs ( C4 & C5)
	ASTM D2244	Color Change (Non Vertical)	DE Hunterlab – Light color ≤5 Int.Color ≤8 Dark color ≤12
	ASTM D4214	Chalking	ASTM Rating 6
	ASTM D523	% Gloss Retention	≥ 50
Resistance to corrosion (Salt Spray) ASTM B117	Exposure Hours		2000 Hrs
	ASTM D714 & ASTM D1654	Blister Density, Size & Corrosion Creep	Blister density- Few, Blister size rating ≥8 Undercut from scribe ≤2mm
Resistance to humidity at 38± 1°C ASTM D 2247	Exposure Hours		1000 Hrs
	ASTM D714	Blister Density, Size & Corrosion Creep	Blister density- Few, Blister size rating ≥8
Resistance to Abrasion	ASTM D 968	Falling sand test	110 ltrs for 60 µm
	ASTM D 4060	Taber abraser 1000g CS10 wheels	≤30 mg per 1000 cycles
	ISO 1518	Scratch	≥ 3000gms
Resistane to Heat (ECCA T13)	ASTM D2244	90°C – 700 hours or 60°C – 1000 Hours	ΔE ≤ 2.5 , ΔGloss ≤ 5%
Kesternich	ASTM G87	No. Of Cycles	10, 15 &20 cycles for 60, 90 and 120 microns – No significant blistering. Edge lamination <2mm
Chemical Resistance (Acid & Alkali)	AAMA 621	HCL, HNo3 & H2So4	No discoloration/No blistering
Resistance to solvents	ASTM D1308	Solvent	No discoloration/No blistering
Resistance to Fire	BS 476 Part 7	Fire rating	Class M0

Technical Datasheet