The black powder in the lost foam coating is chromite powder. The size maybe 325#. It is often used in casting coatings. The reasons are: Precise fineness, Low moisture content, High refractory temperature, Excellent thermal conductivity, Good chemical stability
Zhengzhou Haixu Abrasives Co., Ltd., covers over 20000 square kilometers. Haixu owns production, accounting, purchasing, importing, exporting, after-sales service, logistics, and quality control departments with all kinds of testing equipment, including Omec, slap-sieve, and microscope, combining traditional crafts and advanced equipment.
Gaocun Industrial Park, Xingyang City, Zhengzhou City, Henan Province
Tianjin bonded area, China
Lianyungang bonded area, Jiangsu Province, China