Global warming and climate change have been a hot issue in the recent past .Carbon accounting in wood products and investigation of the role of forest products in climate change mitigation is now gaining momentum all over the world. EU has already recognized the value of replacing fossil fuel and energy initiative materials with substantially produced wood, including the storage or recycling of carbon in wood products and incentives to promote such uses. Increased use of solid timber, engineered wood and wood based panel displaces energy intensive material such as cement, steel, bricks and plastics in the way that it reduces emissions during production processes. The use of bye- products (wood fuels) for energy generation in production processes has an additional positive impact on the overall carbon balance. Therefore, the substitution of high energy products offers a strong potential to decrease the use of fossil fuels and increased carbon storage, thus enhancing the carbon sink effect. Material / Product certification is an important aspect of any manufacturing process, particularly those having highly heterogeneous materials like wood , for maintenance of quality of wood ,SRAL plays an important role in helping industry in this with a scientific approach .
PRODUCTS THAT CAN BE STUDIED:
| Product | Specification Followed
|
| Timber | IS: 1708 & IS : 401 |
| Flush Door shutter | IS: 2202 |
| Ply wood :- | |
| – General Purpose | IS: 303 |
| – Marine Plywood | IS: 710 |
| – Fire Retardant Plywood | IS: 5509 |
| – Concrete shuttering plywood | IS: 4990 |
| Boards :- | |
| – Wood Particle Board | IS: 3087 |
| – Veneered particle board | IS: 3097 |
| – Prelaminated particle
board |
IS: 12823 |
| – Block Board | IS: 1659 |
MATERIALS THAT CAN BE EVALUATED:
| Wood | Flush Door Shutter | Plywood | Boards |
| Density | Screw Withdrawal | Glue shear Strength | General flatness |
| Nail Holding | Knife test | Adhesion of plies | Local Plainness |
| Screw Withdrawal | Glue Adhesion | Water resistance | Abrasion test |
| Dimensions | End Immersion | Mycological test | Screw Withdrawal |
| Squareness | Dimensions | Moisture Content | Density |
| Modulus of Rupture | Impact Indentation | Tensile strength
(along & across the grain) |
Resistance to Stain, Crack, Cigarette burn & Steam |
| Modulus of Elasticity | Flexure Test | Modulus of Rupture | Mycological test |
| Tensile strength | Edge Loading | Modulus of Elasticity | Moisture content |
| Identification of declared wood | Shock Resistance | Preservative treatment
( Cu, Cr, B & total retention) |
Dimensions & Dimensional changes |
| Moisture Content | Buckling test | Dimensions | Tensile strength |
| Compression | Slamming test | Squareness | Modulus of Rupture |
| Shear Strength | Misuse test | Modulus of Elasticity | |
| Hardness | Varying Humidity test | Resistance to Water | |
| Adhesion of plies |
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