Crown Industries Block Board is a superior quality product and is a combination of the strength of solid wood and the finish of a smooth surface board and thus offers an excellent sturdy base to build upon and also offers the wood work a desirable finish & strength. Conforming to IS: 1659 and manufactured out of specially selected and seasoned timber. Crown Industries Block Boards are bonded with superior quality Phenol Formaldehyde under high pressure & temperature.
| Test | ISI Requirement | Test Result |
|---|---|---|
| Moisture Contents | 5-15% | 7-8% |
| Glue Shear Strength in dry condition |
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| Glue Shear Strength in wet condition |
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| Glue Shear Strength in mycological test |
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| Tensile Strength | ||
| Parallel to gain direction | min. 325 Kgf./cm2 | min. 630 Kgf./cm2 |
| Right angle to gain direction | min. 225 Kgf./cm2 | min. 360 Kgf./cm2 |
| Sum of boths directions | min. 550 Kgf./cm2 | min. 990 Kgf./cm2 |
| MOE | ||
| Parallel to gain | 8000 N/mm2 | 9000 N/mm2 |
| Perpendicular to gain | 4000 N/mm2 | 4800 N/mm2 |