Related Standard:

ISO 3537 Road vehicles — Safety glazing materials — Mechanical tests – Clause 6: 227 g ball test, Clause 7:2260 g ball test

GB 15763.3 Safety glazing materials in building Part 3:Laminated glass – Appendix B：Drop ball impact specimen support

Principle:

Determination of whether the safety glazing material has a certain minimum strength and cohesion under impact from a small hard object

Apparatus：Hardness steel ball:

a)        2260g ± 20g, diameter of approximately 82.5mm

b)        227g ± 2g, diameter of approximately 38 mm

c)        1040g ± 10g, diameter of approximately 63.5 mm

d)       508g±3g, diameter of approximately 50 mm

Frame Height: 1000mm, 5000mm, 12000mm, Customized

Automatic release and lift. Power: 220V 50Hz 580W

Supporting fixture:

a)        Support Size: 350mm*350mm  and 660mm*660mm (Customized)

b)        Frame width 15mm

c)        Steel box height 150mm

d)       Rubber Gasket: thickness 3mm, width 15mm, hardness shore A50

e)        Interposed sheet of rubber: thickness 3mm, hardness shore A50