Standards: ASTM D1709 ISO 7765-1 JIS K7124-1 GB/T 9639.1 METHODS Test method A specifies a dart with a 38±1mm diameter dropped from 0.66 m and the test range is 50~2000g. Test method A specifies a dart with a 50±1mm diameter dropped from 1.5 m and the test range is 300~2000g. PROCEDURE Depending upon the expected impact […]