PEG  can be divided into pharmaceutical grade, cosmetic grade, food grade and industrial grade and other series.

1.Peg-200 can be used as a medium for organic synthesis and a heat carrier with high requirements. It is used as a moisturizer, inorganic salt solvent and viscosity regulator in the daily chemical industry. In the textile industry used as softener, antistatic agent; It is used as wetting agent in paper making and pesticide industry.
2.Peg-1000, PEG-1500 is used as matrix or lubricant and softener in pharmaceutical, textile and cosmetic industries; In the coating industry used as dispersant, improve the water dispersion of resin, flexibility, dosage of 10-30%; Inks can improve the solubility of dye, reduce its volatility, especially in wax paper and printing pad inks, can also be used in ball pen inks for adjusting ink consistency; In rubber industry as dispersant, promote vulcanization, used as a dispersant of carbon black filler.
3.Peg-2000, PEG-3000 used for metal processing mold casting agent, metal drawing, stamping or forming lubricant and cutting fluid, grinding cooling lubrication polishing agent, welding agent, etc. Used in the paper industry as a lubricant, etc., and also as a hot melt adhesive to increase the rapid rewetting ability.
4.Peg-4000, PEG-6000, PEG-8000 in the pharmaceutical, cosmetic industry production as a matrix, play a role in adjusting viscosity, melting point; In rubber, metal processing industry used as lubricant, coolant, pesticide, pigment industry production as dispersant, emulsifier; It is used as antistatic agent and lubricant in textile industry.

1.Peg-400 is used to make soft capsules;
2.Peg-1450,3350 is used to make plasters, suppositories, creams;
3.Peg-4000, 6000and 8000 are used for tablets, capsules, film coats, dropping pills, suppositories, etc.