plastics impact test machine Product Description JBW-300 Computer control Pendulum Impact Testing Machine were strictly designed according to national standard GB/T3038-2002 “ Inspection for pendulum Impact Testing Machine” and GB/T229-1994 “Charpy notch Impact Test Method for metal material”. นอกจากนี้ยังสอดคล้องกับ ISO148-1983 มาตรฐานสากล ASTM E23 และ EN10045. The impact testing machineis mainly used to determine the anti-impact capability …