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MDF Boards

MDF board is wood-based product obtained by pressing wood fibres with an addition of synthetic resins under high pressure and at elevated temperature. The resultant material has a homogeneous density and raw material composition along its total cross-selection. Board shows a perfect mechanical workability during machining.

SWISS KRONO MDF board is designed for furniture industry, interior decorative finish articles, such as woodwork, e.g. doors. The high quality of the board surface allows its enrichment by covering with melamine films, varnishing and veneering.

Physical and mechanical MDF parameters

Parameter

Unit

Requirements TY 5536-003-50113531-2005

Tests according to standards

Thickness

mm

>6 <9,0

>9,0 <12,0

>12,0 <19,0

>19,0 <30,0

>30,0 <45,00

 

Density

kg/m3

For MDF-720÷980 HDF-840÷980 LDF-600÷800

GOST 10634

Winding resistance, min

MPa

23

22

20

18

17

GOST 10635

Expanding resistance at right angle to face, min

MPa

0,65

0,60

0,55

0,55

0,50

GOST 10636

Swelling thickness during 24 hours, (for MDF, HDF), max

%

17

15

12

10

8

GOST 10634

Swelling thickness during 24 hours, (for LDF), max

%

30

20

20

17

17

GOST 10634

Modulus of elasticity at static curve, min

MPa

For MDF-1700 HDF-2300 LDF-1700

GOST 10635

Specific resistance of the outside layer to tear off, min

MPa

For MDF-0,8 HDF-0,9 LDF-0,6

GOST 23234

Formaldehyde presence

mg/100 g. s.m.

≤8

GOST 27678

Mineral impurities presence

%

≤0,2

Method of incineration and etching of the standard sample in the hydrochloric acid

Humidity

%

from 3 to 10

GOST 10634

Dimensional deviations of thickness mm

mm

±0,3

GOST 27680

Dimensional deviations of length and width

%

±5

GOST 27680

Dimensions from the right angle mm/m

mm/m

≤2

GOST 27680

Dimensions from the edge straightforwardness

mm/m

≤2

GOST 27680

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