Physical and mechanical MDF parameters

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

Physical and mechanical MDF parameters,Physical and mechanical properties OF MDF,MDF test data ,MDF inspection ,MDF quality control ,MDF QC

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