Pores in the grinding of the debris from the chip and chip removal effect, and can accommodate double-sided stone coolant supply help grinding heat dissipation. In order to meet some special processing requirements, within the pores can also be impregnated with some filler-sided stone, such as sulfur and wax, so as to improve the performance of abrasive. Such fillers, also known as the fourth element of the abrasive. Dongyang jade stone factory specializing in sales of abrasive, a variety of specifications to meet your choice, strict production process to ensure quality, more abrasive with high precision and high efficiency new and old customers! Abrasive hardness depends mainly on the amount of binder and abrasive number density double-sided stone price, easy to fall off, said low abrasive abrasive hardness; on the contrary, said the high hardness. Hardness level is generally divided into the super soft, soft, soft, medium, medium-hard, hard and superhard seven-stage double-sided stone size, from these levels can be subdivided in a number of small magnitude. Method for determining abrasive hardness, more commonly used hand cone, mechanical cone method, Rockwell hardness measurement method and blasting hardness assay. Dongyang jade stone factory specializing in sales of abrasive, a variety of specifications to meet your choice, strict production process to ensure quality, more abrasive with high precision and high efficiency new and old customers! Sided Whetstone Wholesale | Inner sided Whetstone | greenstone Whetstone factory quality provided by the town of Dongyang Qianxiang beryl stone factory. Qianxiang Town, Dongyang beryl stone factory (www.322124.com) strong, credible, Zhejiang Jinhua Abrasives industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead greenstone Whetstone factory and you hand into the brilliant, for a better future!