Leather Testing Machine
Dongguan Kejian Instrument Co., Ltd. (Kejian)
Test method uses clean ball placed within the material applications, steel ball itself of the impedance and total weight, must be in conformity with the provisions, on this condition detection material zigzag waterproof penetration index, using the latest inductive components and special design, test as long as materials applications in water infiltration immediately automatic stop counting or in setting time (test times) arrived, namely automatic stop and display the time or times.