This is a kind of water-based, environment-friendly, non-toxic, non-irritating odor and non-corrosive polymer emulsion with strong bonding strength and fast curing speed. It exhibits transparent film formation at room temperature. It performs well in the conditions of dilute acid and alkaline, freezing and thawing. Suitable for all kinds of porous material bonding, such as wood, paper, cotton and wool products. Can be used in preparing putty and the fixative of coating.