Products

Deciduos plywood

Mark: FK (MR) for interior application (according to waterproof characteristic)

Standard of requirements: GOST 3916.1-96 ( that corresponds to ISO 2426-74, ISO 2428-74 )

Species of timber: alder,birch

Glue: urea formaldehyde resin (emission class E1)

Panel sizes: 1525х1525 мм
1525х1475 мм
1525х1250 мм

Thicknesses produced by LLC „Kostopil plywood plant”: 3; 4; 6; 8; 9; 10; 12; 15; 16; 18 mm

Thicknesses produced by LLC „Yazm”: 4; 5,5; 7; 8; 9; 10; 12; 15; 16; 18; 21; 24; 27; 30 mm

Sanded both sides, sanded one side, unsanded

Surface grades: I/II, I/III, II/III, II/IV, III/IV, IV/IV

Grade types according to different standards:

( here is the correspondence of currently used GOST 3916.1-96 standard to old (not used) standarts GOST 10.55-71 and GOST 3916.1-89 )

GOST 3916.1-96 GOST 10.55-71 GOST 3916.1-89
Е - А
I B AB
II BB B
III CP BB
IV C C

 

Plywood is suitable for use in dry (service class 1) or humid (service class 2) conditions.

Service class 1 is characterised by a moisture content in the materials corresponding to a temperature 20°С and a relative humidity of the surrounding air only exceeding 65% for a few weeks per year. Service class 1 correspond to a plywood equilibrium moisture 12% of plywood.

Service class 2 is characterised by a moisture content in the materials corresponding to a temperature 20°С and a relative humidity of the surrounding air only exceeding 85% for a few weeks per year. Service class 2 correspond to a plywood equilibrium moisture 18% of plywood.