| PROPERTY |
VIRGO PRELAM PARTICLE BOARD GR-II |
| 1. DENSITY (KG/M) |
|
550-800 |
| 2. MOISTURE CONTENT (% MAX) |
|
6-8 |
| 3. MODULUS OF RUFTURE (N/MM) MIN |
A) UPTO 20 MIN
B) ABOVE 20 MIN |
14-18
14-18 |
| 4. TENSILE STRENGTH TO SURFACE (N/MM) MIN |
A) UPTO 20 MIN
B) ABOVE 20 MIN |
0.32-0.45
0.32-0.45 |
| 5. SCREW WITEDRAWAL STRENGTH (N) |
A)FACE
B)EDGE |
1300-1700
1000-1200 |
| VIRGO PRELAM MDF BOARD GR-II |
| 1. DENSITY (KG/M) |
|
600-800 |
| 2. WATER ABSCRPTION (% MAX) |
A) 2 HR
B) 24 HR |
5-7
14-18 |
| 3. THICKNESS SWELLING (% MAX IN 2 HR) |
|
4-6 |
| 4. MODULUS OF RUFTURE (N/MM) MIN |
A) UPTO 20 MIN
B) ABOVE 20 MIN |
30-35
30-35 |
| 5. TENSILE STRENGTH TO SURFACE (N/M) MIN |
A) UPTO 20 MIN
B) ABOVE 20 MIN |
0.8-0.85
0.7-0.75 |
| 6. SCREW WITHDRAWL STRENGTH (N) |
A) FACE
B) EDGE |
1800-2500
1500-1800 |
| 7. ABRASION RESISTANCE (MIN) IN NO. OF REVOLUTION |
A) TYPE- 1
B) TYPE- 2
C) TYPE- 3
D) TYPE- 4 |
>500
>30
>100
>80 |
| 8. SURFACE RESISTANCE TO STEAM |
|
NO COLOUR CHANGE/
BLISTER/DELAMINATION |
| 9. RESISTANCE TO CRACKING UNDER HEAT |
|
NO CRACKING/DELAMINATION |
| 10.RESISTANCE TO CIGARETTE BURN |
|
NO PERMANENT STAIN |
| 11.RESISTANCE TO STAIN |
|
NO STAINING/BLISTERING
DISCOLOURING |
