BWR GRADE
GENERAL PURPOSE PLYWOOD
VENUS PLYWOOD, available in boiling water resistant (BWR) grades is manufactured from hand-picked timber, seasoned and chemically treated by the use of in-house resins making it durable, long-lasting and resistant to termite and borers. This grade is deal for inclement weather & is used for the interior & exterior wood working application.
Applications : ' Venus' General Purpose Plywood is widely used for the woodworking, furniture making, homes, offices, business centers, hotels etc.
Sizes(in feet) : 6x3, 6x4, 7x3, 7x4, 8x3, 8x4
Thicknesses : 6, 9, 12, 16,18mm
TECHNICAL SPECIFICATIONS :
| Test | ISI Requirements | Observed values | |
|---|---|---|---|
| 1. | Grade | BWR | BWR |
| 2. | Moisture Content Dimension | 5% - 15% Length + 5mm, width + 2mm thickness = 6mm - ± 5%, < 6mm - ±10% |
8% Within limit |
| 3. | Sp. Gravity | - | = 0.7 |
| 4. | Resistance to water (3 cycles of 8 hr boiling & 16 hr drying at 65° C - Adhesion to plies |
Min. pass standard | Excellent |
| 5. | Resistance to micro-organism - Adhesion to plies |
Min. pass standard | Excellent |
| 6. | Static bending test | ||
| a. | Modulus of elasticity - along the grain - across the grain |
Avg. Min. 5000 N / sq. mm Avg. Min. 2500 N / sq.mm |
6500 N / sq. mm 3000 N / sq. mm |
| b. | Modulus of rupture - along the grain - across the grain |
Avg. Min. 40 N / sq. mm Avg. Min. 20 N / sq.mm |
56 N / sq.mm 30 N / sq. mm |
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