Natural adhesive. It comes from substances found in nature. Including starch, protein, dextrin, animal glue, shellac, skin glue, rosin and other biological adhesives; It also includes mineral binders such as asphalt.
Artificial adhesives: These are manufactured materials, including inorganic adhesives such as sodium silicate, and organic adhesives such as synthetic resins and synthetic rubber.
Water-soluble adhesives. Water as solvent adhesives, mainly starch, dextrin, polyvinyl alcohol, carboxymethyl cellulose, etc.
Hot melt adhesive. By heating to melt the adhesive after use, is a solid adhesive. General thermoplastic resins can be used, such as polyurethane, polystyrene, polyacrylate, ethylene - vinyl acetate copolymer, etc.
Solvent-based adhesives. Adhesives that are insoluble in water but soluble in a solvent. Such as shellac, butyl rubber and so on.
Emulsion adhesive. Mostly in water suspension, such as vinyl acetate resin, acrylic resin, chlorinated rubber, etc.
Solvent free liquid adhesive. Viscous liquid at room temperature, such as epoxy resin.
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