Carton, carton breaking strength standard

Carton, carton breaking strength standard

Item

Materials

Burst strength (kgf/cm2)

Item

Materials

Burst strength (kgf/cm2)

1

K=K

≧ 14.0

9

B9B

≧ 5.5

2

K=A

≧ 13.0

10

B3B

≧ 4.5

3

A=A

≧ 10.0

11

A9

≧ 6.0

4

A=B

≧ 9.0

12

A3

≧ 5.0

5

B=B

≧