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The
coils are subject to various
tests on the continuous
basis for each and every
batch. The standard tests
are undertaken as per
ECCA & are as follows
:
| GENERAL |
| Organic
Coating Thickness |
| Top
Coat |
20
– 25 micron
|
zzz |
| Back
Coat |
5
- 10 micron
|
zzz |
Specular
Gloss @ 60deg
|
20
– 95 %
|
zzz |
|
Pencil Hardness
|
2
H
|
zzz |
| Scratch
Resistance |
1500
gms
|
zzz |
| FLEXIBILITY |
Reverse
Impact
|
40”
/ lb
|
No
cracks |
| Bend
Test |
2
T
|
Can
go up to 1 T |
| Erichsen
Test |
>5mm
|
No
tape off |
| Cross
Hatch |
Pass
|
No
tape off |
| CORROSION
RESISTANCE |
Salt
spray
|
500Hrs
|
Polyester |
| Salt
spray |
1000
Hrs
|
PVDF |
|
Humidity |
1000Hrs
|
zzz |
|
QUV weatherometer
|
1000
Hrs
|
zzz |
|
Acid Resistance
|
24
hrs
|
5%
HCL Solution for steel |
|
Alkali resistance
|
24
hrs
|
5%
NAOH Solution |
|
Double rub test
|
100
double rub of MEK
|
zzz |
| Boiling
water |
2
hrs
|
zzz |
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 Perfect Coil, Perfect Colour... Perfect Industries |
 ©Copyright, perfect industries,2004, 2005 |
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