Colorite Thermo-Cool

Colorite Thermo-Cool is Pre-Painted Galvanized steel sheet coated with thermal reflective paint, consisting of special ceramic pigments. This product is designed to lower the surface temperature of buildings when used for roofing/wall applications and provides thermal comfort and energy savings.

Substrate

Galvanized steel, minimum G60(180 GSM). Grade CS Type A&B, FS Type A & B , SS 33, SS40 , SS50.

Typical Uses

Roofing and Walling, Sandwich Panels, K-Span, Cold Rooms, etc.

Dimensions: (For normal supply products)

Thickness* (mm)	Width** (mm)
From 0.32 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 Nominal thickness- 5 microns each side
Finish Coat	Custom formulated system. Nominal thickness-20 microns on the top or weather side.
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 colour and DFT as required
Gloss (60˚)	Nominal 30 – 35% Other gloss levels may be available on request

Guaranteed Paint Properties

Test	Test Method	Description	Results
Hardness (Pencil)	ASTM D 3363	Pencil	F or harder
Adhesion -T bend	ASTM D 4145	T-bend	3T or less (No Pickoff)
Flexibility	ASTM D 4145	T-bend	3T 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	30 – 35
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		1000 Hrs
	ASTM D2244	Color Change	DE Hunterlab – Light color ≤4 Int.Color ≤6 Dark color ≤8
	ASTM D4214	Chalking	ASTM Rating 4 – 2
	ASTM D523	% Gloss Retention	≥ 40
Natural well washed exposure ASTM G7	Exposure Hours		7 Yrs
	ASTM D2244	Color Change (Non Vertical)	DE Hunterlab – Light color ≤6 Int.Color ≤9 Dark color ≤12
	ASTM D4214	Chalking	ASTM Rating 4 – 2
	ASTM D523	% Gloss Retention	≥ 30
Resistance to corrosion (Salt Spray) ASTM B117	Exposure Hours		500 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	Blister density- Few, Blister size rating ≥8
Resistance to Abrasion	ISO 1518	Scratch	≥ 2000gms
Resistance to Heat (ECCA T13)	ASTM D2244	90°C – 700 hours or 60°C – 1000 Hours	ΔE ≤ 5 , ΔGloss ≤ 7%
Resistance to Fire	BS 476 Part 7	Fire rating	Class M1
Total Solar Reflectance	ASTM G159	Solar Reflectance	TSR* values for different colors: RAL 3009 – 23 % RAL 8017 – 24 % RAL 7024 – 25 % RAL 6003 – 27 % RAL 9005 – 33 % Arabian Beige – 49 % RAL 1015 – 51 % RAL 7035 – 60 %

*TSR values for other colors can be provided on request. SRI values and Thermal emittance values can be provided on request.

Technical Datasheet