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Glass classification according to EN 356 standard

Marking of safety glass according to the classification by standard LST EN 356:2002.

PVB laminated
glass code

Thickness,
(mm)

Weight,
(kg/m²)

Class according to
EN 356

Height,
(mm)

Number of throws*

33.1 6.4 16 -    
33,2 6,8 16 P1A 1500 3
44,1 8,4 21 -    
44,2 8,8 21 P2A 3000 3
33,4 7,5 17 P4A 9000 3
44,4 9,5 22 P4A 9000 3
44,6 10,3 22 P5A 9000 3x3
66,6 13,5 32 P5A 9000 3x3

*Test with steel ball of 4.1 kg.

Data based on technical information of glass suppliers.

Marking of safety glass according to EN 356
Resistance against hand stroke (axe test).

Class according to
 EN 356

Resistant to axe strokes

Thickness,
 (mm)

Weight,
 (kg/m²)

P6B 30-50 15 -:18 33 -: 42
P7B 51-70 ~ 23 ~ 53
P8B >70 28 -: 50 63 -:11