Canadian wood products industries . eendiscussed pro and con. The continued use of thespraying equipment in the larger and more progres-sive furniture manufacturing establishments for thehandling of this material is a vindication of the Spraysystem. Shellac to be properly applied by this method Canadian Woodworker and Furniture Manufacturer 135 should not be mixed over 2l/2 pounds to the account of the highly volatile solvent, high airpressures are never recommended. Spraying at closerange will not only save material but will in connec-tion with proper mixture and air pressure, give
Canadian wood products industries . eendiscussed pro and con. The continued use of thespraying equipment in the larger and more progres-sive furniture manufacturing establishments for thehandling of this material is a vindication of the Spraysystem. Shellac to be properly applied by this method Canadian Woodworker and Furniture Manufacturer 135 should not be mixed over 2l/2 pounds to the account of the highly volatile solvent, high airpressures are never recommended. Spraying at closerange will not only save material but will in connec-tion with proper mixture and air pressure, give asmooth, more uniform surface than is possible bybrushing. This will again result in saving in thesanding operation to follow. A medium sized nozzleis recommended for spraying shellac. Varnishes and enamels were among the first ma-terials to be successfuly sprayed. The materials giv-ing good results when brushed were found to giveequally satisfactory service when sprayed. Occasion-ally the spray was blamed for inferior finishes, it. Large spray booth in Kent-McLain showcase factory, Toronto being claimed the material was not suited to the meth-od. There is no ground for such claim. Irregular-ities in the finish can always be traced either to in-ferior material, improper treatment of the undercoats,too rapid drying or misunderstanding on the part ofthe operator. But the spray equipment is not to beheld responsible for defects due to improper filling,improper sanding or rubbing, poor material or oper- ators who do not understand the equipment they areworking with. Does Spray Cause Pin Holes. Such defects as pinholes and pebbling are oftenlaid directly to the spray. Pinholes can invariably betraced to the filling coat. If the pores are not prop-erly filled a high class finish cannot be holds for the brush will hold for the is due to an imperfect flowing out of thematerial. Varnish, work, or finishing room not beingof the temperature required for good w
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectfurnitu, bookyear1922
