SOLVENT LESS ADHESIVE – SM NCO 373 / SM OH 707

SM NCO 373 & SM OH 707 is a solvent-less, two-component, polyurethane adhesive system which is specially designed as lamination adhesives for flexible packaging.


 

Product Datasheet

 

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SM NCO 373 & SM OH 707 is a solvent-less, two-component, polyurethane adhesive system which is specially designed as lamination adhesives for flexible packaging.

Processing

This system has to be used with a laminating machine designed for solventless lamination, equipped with a suitable adhesive application unit and a tension control system suitable for winding laminated films with low initial tack.
For trial runs it is recommended to prepare no more adhesive than can be used within 15-30 minutes. The mixing of the two components must be done in such a way as to obtain a homogeneous mixture.
For regular production, it is indispensable to use a mixing & dosing device or pump, which continuously mixes the adhesive in the chosen mix ratio, controls the feeding to the application unit, and stops automatically in case of machine standstills.
When processing the adhesive, the precautionary measures normally applied to work with isocyanate have to be observed.

Field of application

SL – SM NCO 373 / SM OH 707 is suitable for the lamination of Polyester, Polyethylene, Cellophane, BOPP, Aluminum foil and various types of paper. Films should be printed with suitable ink for Lamination.

Suggested Substrates

Metalized Films, Oriented Polyamide Film (OPA) or Oriented Nylon (BON), Polyester (PET), Polyvinylidene di-chloride (PVdC) coated substrate, Structures containing aluminum, Treated Polyethylene PE (Including EVA-Types), Treated polypropylene (PP) (minimum 38 dynes/cm).

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