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  UV-curable hotmelt PSA

For self adhesive applications with high demands such as high temperature resistance, good resistance against chemicals, sunlight or weather conditions, Besttec offers UV-curable pressure sensitive adhesives under the brand name Besttec® RC. These products are based on acrylics or alternatively on thermoplastic rubber. 

Besttec offers a wide range of products for tape applications, most of the hotmelt adhesives has been especially developed with very high tack and peel values. The UV-curable adhesives are suitable to replace solvent based acrylics and therefore they contribute to the reduction of solvent emissions into the environment. With the new UV-curable rubber hotmelts, we offer a highly interesting product range, which could be an optimum link between conventional and UV-curable acrylic hotmelts. 

The major areas of application are tapes with high demands (for example in the automotive industry). For many industrial intermediate products such as sound dampening or packaging technology, the self adhesive technology offers a smart and economical alternative compared to a mechanical assembly process. 

At room temperature, UV-curable hot melt adhesive has a honey-like consistency. This product type is supplied in pails containing 39,6 lb or in steel drums containing 396 lb. The UV-hotmelt based on thermoplastic rubber is solid at room temperature and can be supplied in standard fibre drums. 

The adhesive is melted with a drum-unloader and coated at 250 to 350 °F, depending on the specific application, on a standard roller- or slot-die coating machine. After the coating process, the adhesive is in line UV-cured by passing under UV lamps. 
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