Prefere 5839 Liquid Hardener

A first choice’ product for all waterproof and heat resistant bond requirements. Widely used in the Structural Timber Engineering sector for the manufacture of large laminated structures as well as heat resistant composite products e.g. Fire Doors. Prefere 4050 adhesives are also suitable for use in the production of heat resistant composite structures, eg fire-resisting doors. They are resistant to acids, weak alkalis, solvents and boiling water. Prefere 4050 resins with hardener Prefere 5839 meet the requirements of EN301-Type 1 and BS1203 (Type WBP). Prefere 4050 has been tested according to the German Standard DIN 68141 by the MPA, Otto-Graf-Institut in Germany and found to be suited for gluing load-bearing wooden structures for indoor and exterior use in accordance with DIN 1052.