| VARDHMAN
POLYGLASS TAPE (ARAMATURE BANDING TAPE) |
|
|
Dimension
and Tolerance |
| Characteristics |
Unit |
Value |
| Thickness |
mm |
0.30 ± 0.05
mm |
| Tolerance on tape
width |
mm |
Up to 25 mm ± 1.5
mm
Above 25 mm ± 2.0 mm |
| Normal length of
roll |
mtr |
100 ( +5, -0) |
|
|
|
Characteristics of polyglass tape- as sipplied |
| Characteristics |
Unit |
Value |
| Resin content |
% |
27 ± 2 |
| Yarn width |
Nos |
30 ± 1 |
| Sealing (solder)test |
- |
When hot pressed
with solder iron at 160 + 2 degree ,the resin of tape should
flow and stick other layers within 1 minute. |
| Identification of
resin |
- |
High quality
polyster |
| Koeffler's softening
point of resin |
ºC |
200 (Max) |
| Tensile strength |
N/cm |
2500 min |
| Maximum pull during
banding |
N/cm (of width) |
1000 |
| Recommended curing
cycle at 150º c |
hours |
5 |
| Shelf life (kept in
15 ºc ) |
month |
12 |
| Weight loss (after
keeping 200 ºc for 400 hrs) |
% |
10 max |
|
|
|
Characteristics
of polyglass tape -after application & curing |
| Characteristic |
Unit |
Value |
| Max temperature
withstand |
ºC |
200 |
| Cured tape thickness
(approx) |
mm |
0.25 |
| Breaking load (
after curing) |
N/mm (min) |
260 |
| Resistance to
humidity |
- |
No sign of crack,
damages |
| Resistance to saline
water |
- |
No sign of crack ,
damages |
Elongation at break
At 20 ºC
At 200 ºC |
%
% |
1.6 (max)
2.0 (max) |
| Arc resistance |
Second |
>= 120 |
|
|
