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Model: MC18     Country of Origin: Made In China     Product Description: Product Description PVP K --Polyvidone; Povidone., -Cosmetic grade can be used as filming agent, viscosity enhancement agent, lubricator and adhe...

Model: MC04     Country of Origin: Made In China     Product Description: Properties： 2-pyrrolidone which is also called 2-pyrrolidone, is written “2-P” for short. The molecular formula is C4H7NO.2-P is a colorless liq...

Model: mc03     Country of Origin: Made In China     Product Description: Properties： γ-butyrolactone is a non-toxic transparent liquid in the shape of oil. It can be mixed with water and dissolved by ethanol, ether, ben...