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Contact SupplierOur MR Grade Block Board is a superior quality Block Board that is tested on various parameters before being presented to the clients. We add suitable preservatives to the MR Grade Block Board to increase its durability and strength.
Material of Construction :
Our MR Grade Block Board is Known For :
Used For Making :
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| Types Of Test | Unit | Requirement of IS:303 : 1989 | Test Results |
|---|---|---|---|
| Length | mm | -0,+6 | -0,+2 |
| Width | mm | -0,+3 | -0,+1 |
| Thickness | mm | ± 5% | ± 5% |
| Squareness | % | 0.2 % | 0.15% |
| Edge Straightness | % | 0.2 % | 0.15 % |
| Water Resistance | Cyclic Test | 1 cycle | 2 cycle |
| Dimention change cause by Humidity | mm | less than 1/150 | Less than 1/150 |
| Mycological Test | 21 days | Once | Twice |
| Adhesion Plies | Pass | Excellent | |
| Spot Test | Colour change | Yellow to Red | |
| MOR & MOE | |||
| a. MOR(min.) | N/Sq.mm | 34 | 50 |
| average | 40 | 55 | |
| b. MOE(min.) | N/Sq.mm | 3400 | 4500 |
| Average | 4000 | 5000 |