| Parameters |
Technical details/specifications/Stds |
Product name |
BHUSHAN RAINBOW PLUS |
Reference standard |
ASTM 755 |
Other containing standards |
JIS 3322, ECCA |
Strip thickness mm |
0.20 to 1.2 (< 0.20 & above 1.2 in special cases) |
Strip width mm |
900 to 1250 |
Substrate material |
Galume coating as per ASTM A 792/A 792M with steel base as per ASTM std |
Substrate Coating mass gms/m2 Substrate coating mass class |
70 to 165 AZM 150/165 as per ASTM std |
Grade designation |
Gr 50/ Gr 80/CS type A, B as per ASTM std |
Yield strength Mpa Tensile strength Mpa |
340 min for Gr 50 & 550 min for Gr 80
410 min for Gr 50 & 570 min for Gr 80 |
Paint type |
RMP/HDP/SMP/PVDF |
Paint coating thickness (DFT) |
Top coat 18 to 22 microns (+5 microns primer)
Back coat 5 to 8 microns ( 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 |
2000 HRS –rating ≤4 for PVDF,
1000 HRS –rating ≤4 for others |
Resistance to corrosion
(ASTM B 117) |
1000 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 |
