Major Characteristics of  Hardboards

 Major Characteristics of  Hardboards

(based on EN 622-2 standard) – thickness ≤ 3,5 mm

 

Characteristics

Unit

Value

Standard

Density

Kg/m3

> 900

EN 323
Bending strength

N/mm2

> 30,0

EN 310
Internal bond

N/mm2

> 0,5

EN 319
Moisture content

%

> 4%

EN 322
24 hour swelling

%

< 35%

EN 317
Formaldehyde emission

mg/m3

F****/< 0,03

JIS A 1460/01

EN 120

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