Export specification
Marine Grade Plywood
IS 710:2024, marine plywood. ISI marked.
- Standard
- IS 710:2024
- Adhesive
- PF resin, BWP type (IS 848)
- Size
- 2440 × 1220 mm (8 × 4 ft)
- Length tolerance
- +6 / −0 mm
- Width tolerance
- +3 / −0 mm
- Thickness tolerance
- ±5% from 6 mm (see table)
- Squareness and edge straightness
- 2 mm per metre, at most
- Moisture content
- 5–15%
- Dry glue shear
- Average 1350 N or more, each 1100 N or more (IS 1734 Part 4)
- Boil test
- 72 hours in boiling water, tested wet: average 1000 N or more, each 800 N or more (IS 710 cl. 9.5.1)
- Formaldehyde
- Class E1 (IS 710:2024)
- Thicknesses
- 6, 9, 12, 16, 18, 25 mm. 16 and 18 mm are made by agreement, as IS 710 allows.
- Face and core timber
- On request
- Packing
- On request
- Marking
- MARINE PLYWOOD, formaldehyde class, size, thickness, month and year, batch number
| Thickness | Plies | Tolerance | Weight per sheet | Sheets per 20-ft |
|---|---|---|---|---|
| 6 mm | 5 | ±0.30 mm | 13.4 kg | On request |
| 9 mm | 7 | ±0.45 mm | 20.1 kg | On request |
| 12 mm | 9 | ±0.60 mm | 26.8 kg | On request |
| 16 mm (by agreement) | 11 | ±0.80 mm | 35.7 kg | On request |
| 18 mm (by agreement) | 13 | ±0.90 mm | 40.2 kg | On request |
| 25 mm | 17 | ±1.25 mm | 55.8 kg | On request |