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NEDEX secondary sealant MELTEX hotmelt butyl (hot melt sealant) is a 100% solids, single-component sealant designed for the sealed insulating glass industry. It is formulated from butyl rubber, synthetic polymers and elastomers to give outstanding adhesion to glass and aluminum when fabricated manually or reactivated in semi- automatic equipment. The product is resistant to degradation from ultraviolet light, temperature extremes and water immersion.

MELTEX hotmelt butyl is is compatible with inner sealants of NEDEX such as KU-83B and PIB-996. They can be used together, there will be no chemical reactions. Before using MELTEX together with other inner sealants chemical compatibility tests should be done.

MELTEX is a secondary sealant for Insulating Glass Unit with specifications according to EN 1279.



Siliconized carton box (1,9 kg / 6,5 kg / 7,0 kg)

Metal drum                  (200 kg)



ISO:     ISO 9001 / ISO 14001 / ISO 18001

EN:      EN 1279-2 / EN 1279-3 / EN 1279-4

Other: EcoVadis


Please send e-mail to in order to request Technical Data Sheet.



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