• Ramming : Packing sand in a mold by raising and dropping the sand pattern flask on a table. Jolt squeezers, jarring machines, and jolt rammers are machines using this principle.
  • Ramming Up : The process of packing the sand in the mold or core box with a rod or hammer.
  • REFKOT 511 : An alumina flour element material that usually used for coating sand mold in the manganese steel steel casting process
  • REFKOT 511 : An alumina flour element material that usually used for coating sand mold in the manganese steel steel casting process
  • REFKOTE 504 : Coating with graphite powder than usually used for sand mold coating in the iron casting process
  • REFMOL ZF 888 : A coating with zircon flour element that usually used for sand molding coating in the steel casting process
  • Refractory : 1) Heat-resistant material, usually non-metallic, used for furnace linings etc., 2) the quality of resisting heat.