Sealant coating characteristics classified according to what

Sealant coating characteristics according to classification : Not in adhesive sealant , semi viscoelastic sealant , dry -curing sealants and dry peelable sealant.Washi tape

① non-drying adhesive sealant : general synthetic resin matrix, long after the film is not curable adhesive and invasive keeping the base material is polyester and vinyl ester resin part silicone polyester resin . , polybutadiene and polyurethane resin as the matrix .Sellotape

② semi viscoelastic sealant : it ranged between no and dry sealants , solvents evaporate quickly after Lee into a soft coating, maintaining its viscoelastic class before peeling sealant commonly used flexible and rich. linear elastic body of synthetic resin leather , mainly polyurethane resins, petroleum resins and poly vinyl four atmosphere , part is polyacrylates and polysulfide rubber substrate.Masking tape

③ dry -curing sealant: After applying glue , solvents evaporate quickly and removable solidified viscoelasticity of the film is poor . Leather sealant such main body phenolic resin , epoxy resin and thermosetting resin such as unsaturated insert part with natural resins ( such as gum arabic ) and the like.
④ Dry peeling sealant : After the liquid plastic coating, film volatile economic agents quickly , quick-drying and peeling . This class of synthetic rubber sealant generally seek resin or fiber matrix, mainly chloroprene rubber and nitrile rubber , some using cellulose resin ( such as ethyl cellulose ) and aramid resin ( such as alcohol-soluble copolymer nylon ) .Wholesale masking tape