AK GROUP’S APPLE SHUTTERING PLYWOOD
- 18mm – 50kgs
- 12mm – 34kgs
- 12mm – 30kgs
TECHNICAL INFORMATION AS PER IS 4990
No. | TESTS | PRESCRIBED VALUE | VALUE OBTAINED |
---|
1 | Dimensions, mm a) Length b) Width c) Thickness |
MAX +6mm MIN -0mm MAX +3mm MIN -0mm ±5% |
+3mm +2mm +2% |
2 | Squareness, % | 0.2 % | 0.04 % |
3 | Edge straightness, % | 0.2 % | 0.05 % |
4 | Moisture content (%) | 5-15 | 10.2 |
5 | Cyclic Test ( Six Cycles,each cycle consisting of 8 h boiling in water and drying at 65O C at hot air oven) | No Seperation of plies at theedges and/or surface at the end of six cycle | No Seperation. |
6 | Tensile strength, N/mm2 i) Along the Grain ii) Across the Grain iii) Sum of the tensile strength |
32.5 22.5 60.0 |
37.5 25.5 68.5 |
7 | Modulus of Elasticity, N/mm2 i)Parallel to the face grain, a) Average b) Min. Individual ii)Perpendicular to the face grain a) Average b) Min. Individual |
7500 6700
4000 |
8631 7112
5612 |
8 | Modulus of Rupture, N/mm2 i)Parallel to the face grain, a) Average b) Min. Individual ii)Perpendicular to the face grain a) Average b) Min. Individual |
50 45
30 |
56.5 47.8
36.7 |
9 | Wet bending strength, Modulus of Elasticity, N/mm2 i)Along the face grain, a) Average b) Min. Individual ii)Across the face grain a) Average b) Min. Individual |
3750 3400
2000 |
6050 5458
4982 |
10 | Glue adhesion strength in dry state i) Glue adhesion strength, N a) Average b) Min. Individual
ii) Adhesion of plies.(Knife test) |
1350 1000
Min.Pass standard |
1580 1450
Excellent |
11 | Water resistance test(After 72 hrs. boiling), N i) Glue adhesion strength, N a) Average b) Min. Individual
ii) Adhesion of plies.(Knife test) |
1000 800
Min.Pass standard |
1340 1200
Excellent |
12 | Mycological test, i) Glue adhesion strength, N a) Average b) Min. Individual
ii) Adhesion of plies.(Knife test) |
1000 800
a) No separation at edges |
1356 1110
a) No separation at edges |
13 | Retention Test | Min.12 kg/m3 | 12,980 |
FAQ
Which plywood is best for shuttering?
The 12mm First Grade Ply is one of the best shuttering plywoods.
What is shuttering plywood?
Shuttering Plywood is a highly densified plywood with a smooth film coating on both sides of the face.
Is shuttering plywood waterproof?
While it is not waterproof shuttering plywood, it is certainly water-resistant because of the resin’s repellent properties.
What is the size of shuttering plywood?
There are many shuttering plywood size variants ranging from 12mm to 18mm.