Steel Ball Drop Impact Tester Function: Determination of whether the safety glazing material has a certain minimum strength and cohesion under impact from a small hard object Suitable for impact test of safety glass and tempered glass. 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 Apparatus: 1) 1m/3m/5m Ball Drop Impact Testing Device 2) Adsorption and release device of steel ball 3) Steel ball 4) Supporting fixture size: 350 mm*350 mm or 660 mm*660 mm Technical Data: Hardened steel ball: 2260g ± 20g, diameter of approximately 82mm 1040g ± 10g, diameter of approximately 63 mm 227g ± 2g, diameter of approximately 38 mm Steel ball adsorption mode: Electrocircuit controlled electromagnet suction cup Lifting and lowering mode of control lever: manual or automatic Drop height of steel ball: 1m /3m/5m/12m, customizable Supporting fixture: Support size: 350 mm*350 mm and 660 mm*660 mm (Customized) Frame width: 15 mm Steel box height: 150 mm Rubber gasket: thickness 3 mm, width 15 mm, hardness shore A50 Interposed sheet of rubber: thickness 3 mm, hardness shore A50 Applied Test Pieces Size: 300 mm*300 mm and 610 mm* 610 mm