The papermaking process and equipment of MICA paper are generally the same as that of other kinds of paperboard, but due to the characteristics of MICA paper, the paper machine used also has its own characteristics. There are two kinds of Mica paper-making machines in China, one is rotary-screen paper-making machine, the other is long-screen paper-making machine. The MICA PULP in the pulp storage tank is diluted to 2% ~ 3% slurry by water which meets the quality requirements. The pulp is pumped to the net part of the paper machine. According to the different thickness of MICA paper produced, further diluted to the appropriate concentration (generally 0.3% ~ 0.7%)