Mica chip

　　Mica debris refers to the total name of the extracted debris mica, the waste residue after processing and peeling as well as the leftover material after parts processing. It is used for all kinds of mica paper, insulation materials, electrical industry, mica powder, linoleum, oil drilling and new mica building materials. It is effective to make drilling mud, plug pores and fractures, prevent mud leakage, increase mud adhesion on hole wall and block weak permeable formation. The utility model has the advantages of lubrication, wear resistance, energy saving and prolonging the service life of drilling tools.