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Helpful

Parameter name

Unit of measurement

Brand A parameters А

10-18 mm

22-30 mm

Medium density, maximum

kg/m3

Maximum 840

Surface roughness

Ra/mkm

16-32

Maximum tolerance as per thickness mm

+/-0,25

Maximum tolerance as per length and breadth mm

+/-5,0

Deviation of right angle edges mm Maximum 2мм per 1м edge length
Tolerance of perpendicular alignment of edges mm maximum 1.5мм per 1м edge length
Maximum strength under static load (bend), no less than Mpa

22

20

Maximum tensile strength, no less than Mpa

0,68

0,6

Maximum daily swell, no more than

%

12

10

Humidity (moisture)

%

+6.5 /-2,5

Formaldehyde content:

 

Е1

мг/100г

maximum 10

Е2

maximum 30