plate name

test items

units

corn straw board

rape straw board

EU standard

(load-bearing particle board)

JIS standard (f4 ★18 profile)

density

kg/cm³

880

880

tolerance of average density within plate ±10%

400-900

moisture content

%

7.1

6.7

5-13

5-13

formaldehyde content

mg/100g

not detected

not detected

≤8

formaldehyde emission＜0.3 mg/L

static bending strength (20*5 cm)

N/mm²

50.5

47.8

16

＞18

elastic modulus

(20*5 cm)

N/mm²

8710

9010

2300

＞3000

static bending strength (25*5 cm)

N/mm²

40.6

42.5

16

＞18

elastic modulus (25*5 cm)

N/mm²

8780

7950

2300

＞3000