The basis for the production of plywood is the manufacture of veneer. This material is produced from logs-short-cut wood. Only high-quality veneer from softwood species (birch, alder) is used by manufacturing of the plywood surface layers. The quality of the plywood is defined according to its face and back veneer grade. Veneers sheets are glued together by the hot compaction on the hydraulic press. There is usually an odd number of layers. After aging, the pressed sheets of plywood are cut on 4 sides to meet the requirements of product standards. The mechanical surface treatment – sanding – is carried out on the final stage of the plywood production processing.
Plywood MR is a general purpose waterproof plywood for indoor use with hardwood veneer outer layers.
Areas of use: For indoor use.
Sheet size: 1525x1525 mm
Sheet thickness: 4-24 mm
Wood species: Birch / Alder
Moisture: < 10% (actually 6-8%)
Density: 620-670 kg/m3
Emission class: E0.5
Grade: I/II, II/II, II/III, II/IV, III/III, III/IV, IV/IV
Processing type: sanded, unsanded
Grade I
Can be used under transparent finishing.
Grade II
Has minor defects and can be used for all-purpose surfaces under any type of finishing, for open building structures, for formwork manufacture.
Grade III
Has more defects. It can be used for surfaces with opaque finishing, box and latent structures manufacturing.
Grade IV
As a rule, used for latent structures manufacturing. Depending on the type of processing is produced two types: sanded, unsanded.
