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Tecbond 420-PL is a bulk sprayable hot melt adhesive, formulated for use on heat-sensitive substrates. The adhesive is compatible with bulk spray machinery including XY plotters.
Primarily used in the manufacture of mattresses and HVAC units, Tecbond 420-PL can also be used to bond foam and fabrics in the creation of furniture.
Its three-minute open time allows for the accurate positioning of substrates prior to compression, without the worry of the adhesive losing its tack.
The adhesive cools rapidly upon extrusion ensuring it doesn’t melt or burn sensitive substrates, while the increased coverage ensures there is a much stronger bond than possible with traditional bead application.
Tecbond 420-PL is UL 2395 certified for bonding insulation in heating and cooling appliances. The UL Standard 2395 tests the adhesive for hot and cold temperature resistance, moisture resistance, flame spread and smoke development.
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