PLAIN BOARD
|
SL NO |
PHYSICAL & MECHANICAL PROPERTIES |
UNIT OF MEASURE |
SPECIFIED VALUE |
BBPL VALUE |
||||
|
IS : 3087 – 1985 |
DIN 68763 |
DIN 68761 |
ISI |
ISI |
||||
|
FPT-1 |
FPT-2 |
FPT-1 |
FPT-2 |
|||||
|
1 |
FINISHED BOARD THICKNESS |
mm |
+/-5% |
+/-5% |
+/-3% |
+/-3% |
+/-0.3 |
+/-0.3 |
|
2 |
DENSITY |
|||||||
|
a) AVERAGE BOARD DENSITY |
Kg/m3 |
500-900 |
500-900 |
500-900 |
500-900 |
700-800 |
650-750 |
|
|
b) VARIATION FROM MEAN DENSITY |
% |
+/-10 % |
+/-10 % |
N/A |
N/A |
+/-3% |
+/-3% |
|
|
3 |
BENDING STRENGTH, MIN |
N/mm2 |
15/12.5 |
11 |
14-19 |
10-16 |
25 |
18 |
|
4 |
TENSILE STRENGTH PERPENDICULAR TO SURFACE MIN |
|||||||
|
a) DRY TEST |
N/mm2 |
0.45/0.4 |
0.3 |
0.3-0.4 |
0.2-0.4 |
0.9 |
0.6 |
|
|
b) ACCELERATED WATER REST. TEST |
N/mm2 |
0.15 |
N/A |
0.1-0.15 |
N/A |
0.18 |
N/A |
|
|
5 |
SWELLING AFTER 2 HRS SOAKING MAX |
|||||||
|
a) THICKNESS |
% |
8 |
12 |
6 |
8 |
0.9 |
5 |
|
|
b) LENGTH |
% |
0.5 |
0.5 |
N/A |
N/A |
0.2 |
0.35 |
|
|
c) WIDTH |
% |
0.5 |
0.5 |
N/A |
N/A |
0.2 |
0.35 |
|
|
6 |
WATER ABSORPTION MAX |
|||||||
|
a) 2 HRS SOAKING |
% |
10 |
40 |
N/A |
N/A |
4 |
12 |
|
|
b) 24 HRS SOAKING |
% |
20 |
80 |
N/A |
N/A |
12 |
40 |
|
|
7 |
SWELLING IN THK. DUE TO SURFACE ABSORPTION, MAX |
% |
6 |
9 |
N/A |
N/A |
0.5 |
1.0 |
|
8 |
MOISTURE CONTENT RANGE |
|||||||
|
a) MOIST CONTENT |
% |
5-15 |
5-15 |
5-13 |
5-11 |
8 |
6.5 |
|
|
b) VARIATION FROM AVG. MOISTURE |
% |
+/-3% |
+/-3% |
N/A |
N/A |
+/-3% |
+/-3% |
|
|
9 |
SCREW WITHDRAWAL STRENGTH, MIN |
|||||||
|
a) FACE |
% |
1250 |
1250 |
N/A |
N/A |
2000 |
1600 |
|
|
b) EDGE |
% |
850 |
700 |
N/A |
N/A |
1300 |
1100 |
|
LAMINATED BOARD
|
SL NO |
PHYSICAL & MECHANICAL PROPERTIES |
UNIT OF MEASURE |
SPECIFIED VALUE |
BBPL VALUE |
||||
|
IS : 12823 – 1990 |
DIN 68765 |
ISI |
ISI |
|||||
|
PLB-12 |
PLB-22 |
PLB-12 |
PLB-22 |
|||||
|
1 |
FINISHED BOARD THICKNESS |
mm |
+/-0.5% |
+/-0.5% |
+/-0.3% |
+/-0.3% |
+/-0.3 |
+/-0.3 |
|
2 |
DENSITY |
Kg/m3 |
500-900 |
500-900 |
500-900 |
500-900 |
700-800 |
650-750 |
|
3 |
BENDING STRENGTH, MIN |
N/mm2 |
15/12.5 |
11 |
14-19 |
10-16 |
25 |
18 |
|
4 |
TENSILE STRENGTH |
N/mm2 |
0.45 |
0.3 |
0.3-0.4 |
0.2-0.4 |
0.9 |
0.6 |
|
5 |
THICKNESS SWELLING 2 HRS |
% |
5 |
8 |
8 |
1.5 |
||
|
6 |
WATER ABSORPTION 2 HRS |
% |
7 |
15 |
1.5 |
5 |
||
|
7 |
SCREW HOLDING FACE |
N |
1250 |
1250 |
N/A |
N/A |
2000 |
1600 |
|
8 |
SCREW HOLDING EDGE |
N |
850 |
700 |
N/A |
N/A |
1300 |
1100 |
|
9 |
ACCELERATED WATER RESISTANCE |
N/mm2 |
0.15 |
N/A |
0.1-0.15 |
N/A |
0.18 |
N/A |
|
10 |
ABRASION RESISTANCE |
REVOLN. |
450 |
450 |
150-350 |
150-350 |
475 |
475 |
|
11 |
MOIST CONTENT |
% |
5-15 |
5-15 |
5-13 |
5-11 |
7.5 |
6 |
|
12 |
WATER ABSORPTION 24 HRS |
% |
15 |
30 |
6 |
16 |
||
|
RESISTANCE TEST |
||||||||
|
13 |
RESISTANCE AGAINST STEAM |
NO SIGN OF BLISTER, DELAMINATION OR CHANGE IN SURFACE |
SATISFACTORY |
|||||
|
14 |
RESISTANCE AGAINST CRACK, 2 HRS |
NO SIGN OF CRACKS OR DELAMINATION |
CONFORMS |
|||||
|
15 |
RESISTANCE AGAINST CRACK, 24 HRS |
|||||||
|
16 |
RESISTANCE AGAINST CIGARETTEE BURN |
NO BLISTER, CHANGE IN SURFACE COLOUR OR STAIN MARK |
SATISFACTORY |
|||||
|
RESISTANCE TO STAINS |
||||||||
|
17 |
ARTIFICIAL PERSPIRATION, BLOOD, COOKING FAT, COFFEE, COOKING FAT, DISINFECTANT FLUID, GASOLINE, INK, SPIRIT, 10 % IODINE SOLN. KEROSINE, MILK, 1 % SILVER NITRATE SOLN. 1 0% SOD. HYDROXIDE SOLN. TEA, WAX CRAYON, GREASE, 0.2 N HYDROCHLORIC ACID, 10 % CITRIC |
NO SIGN OF BLISTER, DISCOLOUR OR ANY STAINING MARK AFTER WASHED WITH DOMESTIC CLEANER |
CONFORMS |
|||||