Hardness and pressure regulation of cots

       Under the same pressure conditions, the soft coated press roller presses more rubber than the hard mesh, and extrudes more adhesive from the mesh than the hard roller does. The transfer rate must be less, will affect the amount of adhesive transfer.

       Under the circumstance that the pressure of the rubber coating roller is too large, the deformation of the rubber roller will lead to the shape intersection of the rubber body and the deformation of the rubber at both ends of the rubber roller is too large, which is similar to the phenomenon of soft rubber roller. The adhesive at both ends of the cots is extruded, resulting in a low amount of glue on both sides of the cots and a high amount of glue in the middle. In actual production, such a situation may be encountered, after the composite film ripening, the two sides of the composite film 5~15mm peeling strength is poor; And further inside, the peeling strength is very good, mostly due to the pressure of gluing silver. Therefore, in the actual production, the pressure of the rubber roller should not be too large to ensure the elimination of small irregularities on the surface of the rubber roller.


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