Construction plywood
Poplar/hardwood /birch core.
Black/brown film
1220x2440x12mm/15mm/18mm/21mm
1250x2500x12mm/15mm/18mm/21

1. Construction plywood
2. Size: 1220x2440.1250x2500
3. Thickness: 12mm( 9ply + 2 layers film)
15mm( 11ply + 2 layers film)
18mm( 13ply + 2 layers film)
21mm(15ply+ 2 layers film)
25mm(17ply + 2 layers film)

4. Film: 125/40g imported brownish film (Indonesia/Malaysia)
180/60g Chinese brownish film (made in China film)
250/80g Chinese black film (made in China film)
5. Core veneer: Poplar / birch/combi (poplar+hardwood)
6. Glue: Type I WBP (water boiling proof)
Type ii mr (moisture resistance)

Physical test
1. Moisture contents: Less than 12%
2. Thickness tolerance: 0.5mm
3. Allowance in width & length: 2.0mm
4. Diagonal allowance: Max. 3.0mm
5. Adhesion: Type I: 4 hrs in boiling & 20 hrs drying at 60 c, 4 hrs in boiling again.

Type ii: 2 hrs boiling & 3 hrs drying at 60 c, both
6. Tensile adhesion: 0.7 n/mm2
7. Bending strength: Min. 23.5 n/mm2
8. Bending strength: Min. 19.5 n/mm2
9. Compressive strengt: Min. 12.0 n/mm2
10. Compressive strength: Min. 12.0 n/mm2
11. Warp: 0.1% (1.22mm against 1220mm width, 2.44mm against 2440mm length).

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