Prefere 4050 liquid resin is mixed with hardener Prefere 5750, a resinous liquid containing filler, to provide a phenol-resorcinol adhesive which is fully weatherproof and especially suited to the manufacture of large laminated timber structures. Formerly known as Aerodux 500.
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 adhesive system is also suitable for use in the production of heat resistant composite structures, eg fire-resisting doors. It is resistant to acids, weak alkalis, solvents and boiling water.
Prefere 4050 resin is mixed with hardener Prefere 5750 and meets 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.
Prefere 4050 adhesives are simple to prepare. Both resin and hardener are liquids, and are mixed in a 1:1 ratio. It is essential that hardener Prefere 5750 is well stirred pouring from the container, as the filler can occasionally separate. Add the required amount of the hardener Prefere 5750 to the Prefere 4050 and mix thoroughly. The proportions may be measured by weight or volume.
Consult Safety Data Sheet prior to use.
Prefere 4050 should be stored firmly sealed in the original container in a cool (ideally 5 – 20°C) dry place. Shelf life under these conditions is at least 3 years.
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Prefere 5750 is a liquid hardener used with Prefere 4050 Phenol Resorcinol Resin which gives a fully weatherproof bond and is especially suited to the manufacture of large laminated timber structures and will bond Accoya
Prefere 4535 is a clear liquid melamine-urea resin adhesive, which is used with liquid hardener Prefere 5035 to give a fully weatherproof and structural bond.
Aro-Bond® 540 is a laminating grade, single component PVA wood adhesive with D4 water resistant characteristics.