nonmetal

there are 28 kinds of nonmetal mineral such as limestone,grammite,calcite,black lead,granite,bitter spar,marble,bentonite,etc.

非金属矿种有灰、硅灰、方解、墨、花岗岩、白云、大理、膨润土等28种。

It is mainly used for the forming cutting of fur, paper, leather, synthetize materical and nonmetal material.

主要适用于皮革、纸板、泡沫、人造革、布塑及合成纤维和非金属材料借助于刀模成型裁断。