Refractoriness refractory how? Refractories Co., Ltd., Zhengzhou City shangzhuang tell you: refractoriness is not a substance is absolutely unique physical, the material was measured under specific test conditions to achieve specific soften extent relative technical indicators. The test method for materials required to make the truncated cones (the test cone) refractory wholesale, with a fixed bend down at a specific temperature, heating rate standard temperature cone frustum triangle (the standard cone) refractory agent, together Under the given conditions of heating rate and a certain atmosphere heated refractory, bent down to test the extent of the cone with the standard curve inverted cone contrast method for the determination of comparable refractoriness. Shangzhuang Refractories Co., Ltd., Zhengzhou City, found that the main user of refractories such as technical development of steel, cement, glass, non-ferrous metals industry, refractory material of a higher quality and variety of requirements. The industry in the fierce competition in the quality and price, to reduce the tons of products made of refractory refractory refractory offer cost requirements, resulting in refractory enterprises should take more investment to the development and research of new high-quality products to meet and meet the requirements of these industries. The main raw material in high purity, synthetic and natural selection and use; products with high purity oxide-based, both non-oxide and composite materials; product variety of technological development is closely around the user's requirements to develop green, environmental protection, energy saving and multifunction products. Refractory price _ Hong Kong _ shangzhuang Refractories Refractories by shangzhuang Refractories Co., Ltd., Zhengzhou City. Zhengzhou City shangzhuang Refractories Co. (www.yntjj.com.cn) (www.yntjj.com.cn) strong, credible, in Zhengzhou, Henan Province of charge, flux and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead shangzhuang Refractories and you hand into the brilliant, for a better future!