Valve bag glue usage

★The valve pocket special glue consists of glue A and curing agent B. It is a PP valve pocket, PE valve pocket, polyethylene valve pocket, polypropylene valve pocket, paper-plastic composite valve pocket, kraft paper valve pocket, multi-layer kraft valve. Special valve pocket glue for pocket pocket products such as pockets, composite bags, polypropylene woven cloth valve pockets, polyethylene thick film valve pockets, etc., with high bonding strength, full transparency of glue and good adaptability. At present, the special glue for the valve pocket has been widely quoted in the automatic valve pocket production line, and is widely used in the bonding production of various plastic and paper-plastic bags.
[Valve pocket special glue performance index]
★ Appearance: Fully transparent viscous liquid.
★ Solid content: 49-52.
★ Density (23 ° C): 1.0-1.10.
★ Viscosity (23 ° C): 1000-2000.
★ Technical Engineering: 4006-5858-46 [Application method of special glue for valve pocket]
 ★ Take out 100 kg of the special glue A of Shitai valve pocket and 10-12 kg of curing agent B. After mixing evenly, dilute with thinner and apply it on the surface of the film, heat it at 50-75 °C or dry it naturally, then Heat and pressure bonding at 30-50 ° C (pressure is 3-5 MPa). After 4-5 days of placement, the bond strength can be maximized (in winter, the placement time should be extended appropriately).
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