Oriented strand board (OSB), also known as flakeboard, sterling board and appetite in British English, is a type of engineered wood similar to particle board, formed by adding adhesives and then compressing layers of wood strands (flakes) in specific orientations. OSB can be used for roof decking, roof sarking, wall sheathing flooring, packing,hoarding, signboards and portable building, constructional insulation board.
| Name | OSB (Oriented Strand Board) |
| Material | poplar and pine mixed |
| Density | 650-720kg/m3 |
| Brand Name | ZST |
| Glue | MR,WBP ,Melamine,E1,E2 |
| Grade | OSB-2,OSB-3,OSB-4 |
| Size(mm) | 2440X1220, 2500X1250,1500x3000,1220x2800, |
| Thickness(mm) | 6mm,8mm,9mm,10mm,11mm,12mmm15mm,18mm.22mm,25mm |
Grade
1.OSB1:
MR glue
Be used in the dry environment with weight capacity,such as packing and construction.
2.OSB2:
Melamine glue
Be used in the moisture environment with weight capacity, such as outdoor and indoor construction.
3.OSB3 / OSB4:
WBP glue
Be used in external wall coverage,roof coverage,flooring base, ceiling construction insulation
Advantage of OSB
1) Tight construction and high strength;
2) Minimum twisting, delamination or warping;
3) Water proof, consistent when exposed in the natural or wet environment;
4) Low formaldehyde emission;
5) Good nailing strength, easy to be sawn, nailed, drilled, grooved, planed, filed or polished;
7) Good heat and sound resistant, easy to be coated;
8) Note the OSB 3 is for use on flat roof situtaions, a far better product than standard chipboard or particleboard.
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