NOVELTY - Antimicrobial and mildew proof coating comprises 21-23 pts. wt. cordierite based composite material, 1-2 pts. wt. sodium polyacrylate, 40-42 pts. wt. acrylic emulsion, 21-23 pts. wt. ethanol, 9-10 pts. wt. rutile titanium dioxide, 1.3-1.8 pts. wt. carboxymethyl cellulose, 0.3-0.5 pt. wt. chitosan, 0.1-0.2 pt. wt. silver nitrate, 0.8-1 pt. wt. butyl naphthalene sulfonate, 4-6 pts. wt. medicinal stone, 0.5-0.7 pt. wt. methyl p-hydroxybenzoate, 28-30 pts. wt. deionized water and 0.6-0.8 pt. wt. glycerol stearate. The cordierite based composite material includes cordierite and silicon carbide.    USE - Antimicrobial and mildew proof coating.    ADVANTAGE - The antimicrobial and mildew proof coating is environmental-friendly, convenient to use, and simple preparation.    DETAILED DESCRIPTION - Antimicrobial and mildew proof coating comprises 21-23 pts. wt. cordierite based composite material, 1-2 pts. wt. sodium polyacrylate, 40-42 pts. wt. acrylic emulsion, 21-23 pts. wt. ethanol, 9-10 pts. wt. rutile titanium dioxide, 1.3-1.8 pts. wt. carboxymethyl cellulose, 0.3-0.5 pt. wt. chitosan, 0.1-0.2 pt. wt. silver nitrate, 0.8-1 pt. wt. butyl naphthalene sulfonate, 4-6 pts. wt. medicinal stone, 0.5-0.7 pt. wt. methyl p-hydroxybenzoate, 28-30 pts. wt. deionized water and 0.6-0.8 pt. wt. glycerol stearate. The cordierite based composite material comprises 50-60 pts. wt. cordierite, 30-35 pts. wt. ferric oxide, 15-20 pts. wt. silicon carbide, 20-25 pts. wt. cobalt oxide, 20-25 pts. wt. zirconium dioxide, 10-15 pts. wt. manganese dioxide, 3-5 pts. wt. alginate, 4-5 pts. wt. polyvinyl alcohol, 3-4 pts. wt. aluminum powder and 22-25 pts. wt. aqueous urea. An INDEPENDENT CLAIM is included for the preparation of radiation proof and heat insulating adhesive coating comprising mixing cordierite based composite material and ethanol, adding polyvinylpyrrolidone, performing ultrasonic dispersion for 20-30 minutes, ball milling for 60-90 minutes, controlling temperature at 40-45 degrees C to obtain slurry, taking rutile titanium dioxide, talc powder and bentonite, ball milling for 30-40 minutes, adding glyceryl monostearate, stirring for 10 minutes, stirring at 2400-2800 revolutions/minute (rpm) and 80-90 degrees C, adding carboxymethyl cellulose and butyl naphthalene sulfonate in deionized water, stirring at 800 rpm for 40-60 minutes, adding slurry, dispersing at 3500-4000 rpm for 30 minutes, adding balance raw materials, stirring at 400-500 rpm for 30-40 minutes, and dispersing for 2-2.5 hours.