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.