Pragati 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 layer is treated with preservatives and is glue line 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.
| Applications | : | Extensively used in making of furniture, partitions, racks/shelves, shutters, under layer for decorative laminates etc. |
| Thickness | : | 4, 6, 9, 12, 16, 19, 22, 25 mm |
TECHNICAL SPECIFICATIONS
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SR.NO |
TEST PRESCRIBED IN IS:710 |
MINIMUM VALUE |
OBSERVED VALUE |
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1 |
Moisture Content Test |
Not less than 5% |
9% |
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2 |
Glue adhesion strength (In dry state) |
Min. Ind: 1100 N Avg: 1350 N |
1420 N 1490 N |
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3 |
Adhesion Of Ply (Knife Test) |
Minimum Pass Standard |
Minimum Pass Standard |
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4 |
Resistence to water (after 72 hrs.boiling) |
Minimun – 800 N Average – 1000 N |
1100 N 1200 N |
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5 |
Tensile Strength N/mm2 -Along the grain -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 |
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6 |
Modulus of Rupture N/mm2 -Along the grain |
Minimum- 45 N Average – 50 N |
48.0 N 55.6 N |
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7 |
Across the grain |
Minimum- 27 N Average – 30 N |
46.8 N 54.4 N |
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8 |
Retention of Preservative Chemicals Kg/Cbm (CBB Type) |
Min 12 kg |
13.1 KG |
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