Automatic Tumbling Barrel Laboratory Testing Machines HC9922 Outlets Test Sample

Tumbling Barrel Testing Machine HC9922 Parameters: Model HC9922 HC9922A HC9922B HC9922C Rotate speed 5rpm 5rpm 5rpm 5rpm Drop rate 10time per min 10time per min 10time per min 10time per min Material Sideways 1.5mm high-quality steel plate, upper and lower for 3mm steel pad in the 10-19mm wood and oblique part slide surface is plastic laminate, with triangle rubber pad 3mm steel Front and rear are the transparent plastic sheet, the up, down, left and right are with thickness