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BWR grade means Boiling Water Resistant plywood.

• BWR grade plywood is Boiling Water Resistant Plywood confirming to IS 303. Boiling water resistant plywood is an exterior grade of plywood that can resist water better than MR grade commercial ply but is not 100% waterproof. The veneers are glued by Phenol formaldehyde which is a synthetic plastic resin whereas MR resistant ply uses urea-formaldehyde. These synthetic resins impart water-resisting qualities in BWR grade plywood. Moreover, the core layer is treated with various toxicant chemicals that make BWR termite-proof and borer proof.

  Boiling water-resistant plywood is the exterior grade plywood and is used for furniture that likely to get wet, kitchen cabinet, lawn chairs, garden tables, etc. BWR plywood is warp free and has excellent bonding, and with zero core gaps.

• It is exterior grade plywood, which can be used indoors, outdoors, and also for a semi-outdoor purpose.

• It is made up of phenolic resins and phenol-formaldehyde Adhesive.

• BWR can be used in kitchen cabinets, where the contact of water is high. Since, they are highly resistant to water than other plywood like MR, etc.

• BWR has zero surface core gaps.

• They are warp free plywood with super-strong bonding’s.

The most important benefit of BWR is, they are termite resistant

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BWP ALTERNAE
SIZES		THICKNESS
8X4		19MM
7X4		16MM
6X4		12MM
8X3		9MM
7X3		6MM
6X3

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TECHNICAL SPECIFICATIONS (IS 303 : 1999)
	Test	ISI Requirements
1	Grade	BWR, MR
2	Moisture Content Dimesion	5% – 15%
		Length +5mm, width +2mm
		thickness ≥ 6mm – ±5%,
		< 6mm – ± 10%
3	Sp. gravity	–
4	Resistance to Water	Min pass standard
	(3 cycles of 8 hr boiling & 16 hr Drying at 65°c)- Adhesion to plies
5	Resistance to Micro Organism-	Min pass standard
	Adhesion to Plies
6	Static bending test
a	Modulus of elasticity	Avg. Min 5000 N/sq. mm
	– along the grain	Avg. Min 2500 N/sq. mm
	– across the grain
b	Modulus rupture	Avg. Min 40 N/sq. mm
	– along the grain	Avg. Min 20 N/sq. mm
	– across the grain

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