Hot Melt Adhesive Valve RRJ 400
With a special nozzle design, the glue is spirally sprayed onto the materials, and it is applied to bottom films, absorbent papers, etc.
It adopts a thimble structure, which features a sensitive response speed and clean glue retraction.
It can generate a high bonding strength even with a relatively low amount of glue. According to different needs, it can be divided into single-spiral and double-spiral spraying.

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