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MR grade plywood
Moisture-resistant (MR) plywood is the everyday interior grade: wardrobes, beds, cabinets, partitions and office furniture. Kerala mills make it with a rubberwood or hardwood core bonded with urea-formaldehyde resin, which gives a flat, stable panel at the lowest cost per sheet of any ISI-marked grade.
Specifications
| Standard | IS 303, MR grade, ISI-marked |
|---|---|
| Bonding | Urea-formaldehyde (UF) resin, interior use |
| Core | Rubberwood or mixed hardwood veneers, cross-laminated |
| Faces | Commercial hardwood face; gurjan or decorative face on request |
| Thickness | 4, 6, 9, 12, 15, 18 and 25 mm |
| Plies | 3 ply (4 mm) up to 13 ply (25 mm), always an odd number |
| Moisture content | 5–15% at dispatch, as the standard requires |
| Finish | Sanded both sides; ready for laminate or veneer |
Sheet sizes
| Size | In feet | Availability |
|---|---|---|
| 2440 × 1220 mm | 8 × 4 ft | Standard; most stock |
| 2135 × 1220 mm | 7 × 4 ft | Common for furniture |
| 1830 × 1220 mm | 6 × 4 ft | Furniture, packing |
| 2440 × 915 mm | 8 × 3 ft | On order |
| 2135 × 915 mm | 7 × 3 ft | On order |
| 1830 × 915 mm | 6 × 3 ft | On order |
Thickness and truckload
| Thickness | Sheets per 22 ft truck, approx. | Square feet |
|---|---|---|
| 4 mm | 2,930 | 93,760 |
| 6 mm | 1,950 | 62,400 |
| 9 mm | 1,300 | 41,600 |
| 12 mm | 980 | 31,360 |
| 15 mm | 780 | 24,960 |
| 18 mm | 650 | 20,800 |
| 25 mm | 470 | 15,040 |
Counts are for 8 × 4 ft sheets of one thickness; a 32 ft multi-axle truck carries about double. Mixed loads are planned to the truck's weight limit.
Questions buyers ask
Is MR plywood waterproof?
No. MR plywood resists humidity and occasional splashes, but not soaking. It is meant for dry interiors.
Which thickness for wardrobes?
Usually 18 mm for carcass and shutters, 12 mm for internal shelves on short spans, and 6 mm for backs.
Need a full or mixed truckload?
Send grade, thickness, quantity and delivery town. We reply with an ex-works quote, valid for 3 days.