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Colorite SMP
Colorite SMP is a Premium Pre-Painted Galvanized Steel Developed for Residential, Agricultural and Commercial Construction Industrial Segments to Provide Durability, Stain Resistance, Abrasion Resistance and Metal Marking.
Standards
- Substrate : ASTM A653/A653M
- Paint Coating : ASTM A755/755M
- * Technical terms and conditions will be applied :
COLORITE SILICON MODIFIED POLYESTER (SMP) is a premium pre-painted galvanized steel developed for Residential, Agricultural and commercial Construction Industrial segments to provide durability, stain resistance, abrasion resistance and metal marking.
Substrate
Galvanized steel, G90 (275gsm) Minimum Grade : CS Type A&B, FS Type A&B, SS33, SS40 & SS50
Typical Uses
Roofing and walling, Hot water system wrappers, air conditioner, wrappers and garden sheds etc.
Dimensions: (For normal supply products)
| Thickness* (mm) | Width** (mm) |
| From 0.45 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. 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 30 – 35% (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 | 3T or less (No Pickoff) |
| Flexibility | ASTM D 4145 | T-bend | 3T or less (no cracking) |
| Adhesion – Reverse impact | ASTM D 2794 | Reverse impact | > 8 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 | 2000 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 | ≥ 50 | |
| Natural well washed exposure ASTM G7 | Exposure Hours | 10 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 | ≥ 40 | |
| Resistance to corrosion (Salt Spray) ASTM B117 | Exposure Hours | 1000 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 | |||
| 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% |
| Resistance to Fire | BS 476 Part 7 | Fire rating | Class M0 |
