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Industrial urea-formaldehyde adhesive
This powder UF resin is an excellent wood adhesive. It is a one shot powder adhesive with low free formaldehyde emissions. It is used for bonding veneers to a variety of substrates, e.g., hollow cored, chip board, multi-layer, two-layer panels and fibre-board in hot and high frequency presses. It is also used when dissolved in water (2 parts resin to 1 part water) for the manufacture of two-layer panels, soft wood lamination, multi-layer panels and for their wrapping with papers and veneers.
CHARACTERISTICS – UF adhesive with incorporated hardener – Medium setting – Suitable for high frequency uses
Base Urea-formaldehyde condensate self-hardening power Appearance and color Natural and walnut Viscosity, Brookfield (DIN EN ISO 2555) 5000 mPas @ 20(68) °C(°F) Gel time (Sol. 2:1) 100-160 min. @ 30(86) °C(°F) 5-7 min. @ 60(140) °C(°F) 32-38 sec. @ 100(212) °C(°F)
Duroxill 848 is an urea-formaldehyde one shot powder adhesive with a low formaldehyde emission. It is used for bonding veneers to hollow cored, chip board, multilayer, two-layer panels and fiberboard in hot and high frequency presses. It is used also dissolved in water for the manufacture of two-layer panels, lath product, multilayer panels and for their wrapping with papers and veneers.
INSTRUCTIONS FOR USE
Room and material temperature >18 (>64) °C(°F) Materials moisture 8-12 % Pressing time approx. 4 min. @ 80(176) °C(°F) approx. 2 min. @100(212) °C(°F)
Mixture adhesive/hardener 100 pbw Duroxill 848
50 pbw Water
The mixture has a pot life of up to 11 hours at 20°C (68°F). The pot life is reduced with increasing temperature (3 hours at 30°C).
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