| Parameters |
Technical details/specifications/Stds |
| Product name |
JSI RAINBOW |
 |
| Reference standard |
ASTM 755 |
| 0ther containing standards |
JIS G3312, IS 14236, ECCA |
| Strip thickness mm |
0.20 to 1.2 0 |
| Strip widths mm |
900 to 1250 |
| Substrate material |
Zinc coating as per ASTM A 653/A 653M with steel base as per ASTM std |
Substrate Coating mass gms/m2
Substrate coating mass class |
80 to 275
Z120; Z150; Z180 and Z275 as per ASTM std
Or As mutually agreed |
Grade designation
|
Gr 50/ Gr 80/CS type A, B as per ASTM std |
Yield strength Mpa min
Tensile strength Mpa min |
340 for Gr 50 & 550 for Gr 80
410 for Gr 50 & 570 for Gr 80 |
| Paint type |
Regular Polyester/Silicon Polyester/PVDF |
| Paint coating thickness (DFT) |
Top coat 18 to 22 microns (+5 microns primer)
Back coat 5 to 8 (including primer) |
| Digital DFT meter accuracy |
Accuracy +/- 2% of reading) as per ASTM A 153 |
| Pencil hardness |
H or Harder |
| Gloss |
15-80% at 60 degrees ASTM D 523 |
Resistance to chalking QUV
ASTM D 53 |
1000 HRS -rating =4 for PVDF,
750 HRS -rating =4 for others |
Resistance to corrosion
(ASTM B 117) |
500 HRS with blister density =2, creepage =2 mm. |
| Resistance to Humidity |
1000 HRS blister density = 2 (ASTM D 2247) |
| Resistance to color change QUV- ASTM G 53 |
2000 HRS (delta E = 5 unit) for PVDF
1000 HRS (delta E = 5 unit) for others |
| Flexibility |
4 T- (ECCA) - no cracking |
| Resistance to abrasion |
=20 mg as per 100 cycles |
| Resistance to Acid/solvents |
No discoloration/no blistering- ASTM D 1308 |
| Product certification |
All products are accompanied with MTC and packing list. |
| Quality System |
ISO 9001 - 2000 |
