As Per Is : 710 : 1976

Sonnet BWP Grade Plywood

Sonnet BWP Grade Plywood is a preservative – treated, water-proof plywood manufactured from select Gurjan and full grown hardwood timer aw per IS : 303 – 1989. The high strength core veneer and the superior bonding strength of BWP type Phenol Formaldehyle synthetic resin adhesive, adds extra durability to the product as per IS : 848 – 1974. The result is a high quality plywood that can resist boiling water, cold water, climate variations and of course, borer and termite attacks.


Resistant to boiling water, dry heat, termite, insects and pests.
Remains unaffected in spite of changing weather conditions.
Idea for application in semi-exterior usage.
Thickness : 6mm, 9mm, 12mm, 16mm, 19mm, 25mm
Standard sizes (ft) : 8’X4′, 8’X3′, 7’X4′, 7’X3′, 6’X4′, 6’X3′

Sl. No. Test Prescribed Minimum Value for Conformity Observed Value
Glue Shear Strength (In dry state)

Avg. 1350 N
Min. Ind 1100 N

1485 N
3220 N

Glue Shear Strength (in wet state)

Min. Ind 1100 N
Avg. 800 N
Min. Ind. 800 N

3220 N
1215 N
980 N

Resistance to microorganisms

Avg. 800 N
Min. Ind 800 N

1180 N
1020 N

Moisture Content Test

Not less than 5%
Not more than 15%


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