The Working Process of TPU Hotmelt Adhesive Film

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The working process of TPU hotmelt adhesive film with different fabric material can be divided into film extrusion processing, milling processing and dissolution processing.

Generally, TPU hot melt adhesive film is processed by T-die extrusion, Production line for TPU hot melt adhesive film will actively cooperate with release paper or adopt a high and low temperature double-layer social structure. It is simple to put the hot melt adhesive film between the two layers of fabric to be pasted, and press with an iron or a heat press.

The grinding process of TPU hotmelt adhesive film is to grind after reducing the film material to below the glass transition temperature by ultra-low temperature environment. The grind TPU hot melt film powder can be sprinkled on the fabric and laminated by hot pressing or infrared heating.

The solution process is to melt the hot melt adhesive film in a specific solvent, such as methyl ethyl ketone, acetone, toluene and other solvents.

POLYSAN company is professional China manufacturer for TPU hot melt film, high temperature TPU hotmelt film, low temperature TPU hotmelt film, for footwear industry and textile accessories, with high safety and stability.