Automatic Sample Impact Notch Machine Model: GC-QK-A A. Product Introduction The plastic electric notch prototype machine(GC-QK-A) is a sample making equipment used in the impact toughness test of non-metallic materials by IZOD and simply supported beam Impact Testing Machine. The impact notching prototype machine can be used by laboratories of scientific research institutions, colleges and universities, non-metallic materials manufacturers and other units to make notched...