| TYPE & GRADE |
P-1 as per IS:2036 - 1995 |
| |
|
| COLOUR |
Black (Other colours on request). |
| |
|
| SIZE OF SHEET |
1220 x 1220 x 1mm/1220 x 610 x 1mm. |
| |
|
| TOLERANCE |
On Length On Width On thickness ± 5 mm, ± 5 mm ±/-0.1 mm respectively. |
| |
|
SHEARING &
PUNCHING TEST |
Sheets does not develop Crack while cold shearing with normal sharpness of shearing
blade.
|
| |
Does not develop crack while blanking operation of component under normal
shearing
condition. |
| |
|
| FLATNESS |
Flat without waviness. |
|
|
| INSULATING PROPERTIES |
Bi-pin Caps made with the paper sheet and Insulation resistance between Pin and
Aluminum Sheet observed and is not less than 100 Mega ohms at 500 Volt DC.
|
| |
|
| HEAT TEST |
Test piece is made with insulator made cut of sample sheet. |
| |
| a. |
Test piece are kept in Hot Air Oven with Oven's Temperature at
265 ± 2 C for a period of two minutes. |
| b. |
Test piece are kept in Hot Oven with Oven's Temperature at 200° C for 10 Minutes. |
|
| |
During this no blister is found on
sample insulator surface. |
| |
No Blister observed on paper sheets surface. |
