Scope: XJJ-5J Charpy impact test machine is mainly used for rigid plastic, fiber-reinforced composite materials, nylon, fiberglass, ceramics, cast stone, asbestos, electrical insulating materials, and other non-metallic materials, impact toughness testing, including machining and injection molding notched and unnotched specimens. Executive standard: ISO179, GB/T1043, GB/T8762 standard instrument such as Features: ★ pointer structure is simple, easy to operate ★ test speed, data accuracy, stable and reliable technical parameters: Instrument Model XJJ-5J impact velocity of 2.9m / s Charpy energy (0.5J), 1J, 2J, 4J, 5J combat center distance 230mm of the angle of 150 ° blade radius R = 2 ± 0.5mm Jaw fillet radius R = 1 ± 0.1mm impact of the blade angle 30 ± l ° energy display resolution 0.01J jaw support spacing (mm) 40,60,62,70 Instrument dimensions 420 × 260 × 630 Instrument Weight 60KG