A New Finish for Bodies
Page 49
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A"Wyears ago a reliable finish, known as Delco, was introduced by Nobel Chemical Finishes, Ltd., of Slough, Bucks, to meet the needs of motor manufacturers for a type which would combine durability with speed of application. This concern has now introtraduced special finishes particularly intended for the bodywork of passenger and good vehicles.
They are known as Dulux, being made from a synthetic base and manufactured by a definitely controlled chemical process. They should not be confused with any existing synthetic resin, oil or cellulose finish at present on the market. They are designed primarily for brush application and are claimed to be much more durable than paint and varnish finishes. They are supplied in primers, fillers, ground-coats and finishers. If necessary, they can be sprayed, they will easily take lettering, and there is no bleeding of the reds.
The primers take approximately 24 hours to dry, or can be dried overnight in a temperature of 100 degs. F. The fillers are of particularly good body and flexible, and an excellent finish can be given without • varnish, although special varnishes are available for use over lettering.
One of the great advantages of this new range of coach-finishing materials is that they can be put in the hands of the average painter and satisfactory results obtained. Dulux can also be supplied in special grades for baking on to rails, grabhandles, etc. Baking is carried out for 90 minutes at 200 to 250 degs. F.
Experience shows that the durability of these finishes is approximately 50 per cent. greater than that of any other material used at present, with the exception of cellulose, and the latter has not yet obtained a firm footing in connection with commercial-vehicle bodywork.
They may be said to have the brushing capacity of an oil enamel combined with a durability comparable with Belco on a metal body.