GURJAN(100% GURJAN BWP GRADE MARINE PLYWOOD) Technical Specification

GURJAN(100% GURJAN BWP GRADE MARINE PLYWOOD) Technical Specification

Gurjan is a premium   Plywood . It is made of 100% Gurjan wood and bonded with an unextended Phenol Formaldehyde resin of BWP grade. Each of its veneer layers is treated with preservatives and is glueline protected to ensure complete protection from insects. This plywood is also boiling water proof bearing a density of 900 Kg/m3. Besides having a higher face thickness, all veneer layers have a uniform thickness construction .
Gurjan is the most unique and high density timber with natural bonding tendency and is termite and borer proof. It is reputed as a key timber species in making strong plywood. High density in woods leads to increased load bearing capacity. Hence the core and face veneers of the Gurjan wood increases the durability of the products.

Thickness(MM) 4 6 9 12 16 19
Size(Feet) 8×4 8×3 7×4 6×4 6×3

Technical Specification

Test Prescribed in IS:710 – 2010 Minimum Value Observed Value
Moisture Content Test Not less than 5% 9%
Glue adhesion strength
(In dry state)
Min. Ind: 1100 N
Avg: 1350 N
1420 N
1490 N
Adhesion Of Ply (Knife Test) Minimum Pass Standard Minimum Pass Standard
Resistence to water
(after 72 hrs.boiling)
Minimun – 800 N
Average – 1000 N
1100 N
1200 N
Tensile Strength N/mm2
-Along the grain
-Across the garin
Sum of tensile strength
42.00 N
25.00 N
84.50 N
53.3 N
55.8 N
113.1 N
Modulus of Elasticity N/mm2
-Along the grain
-Across the grain
7500 N
6700 N
8836 N
8602 N
Modulus of Rupture N/mm2
-Along the grain
Minimum- 45 N
Average – 50 N
48.0 N
55.6 N
Across the grain Minimum – 27 N
Average – 30 N
46.8 N
54.0 N
Retention of Preservative Chemicals Kg/Cbm (CBB Type) Min 12 kg 13.1 kg
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