Oil Base: Latex Base Approach

Latex with latex and synthetic resin plant resin latex categories. Water as solvent, dry film flexible and transparent, is to produce qualified canvas base material. Currently sold in stores is a synthetic resin latex white latex - vinyl adhesive. The most suitable material for the painting of white latex of polyvinyl acetate emulsion, high concentrations of this glue, dry film light, transparency, toughness, does not crack.

 

The quality latex base is essential for the canvas. Dry rubber-soled, hand in the back of the canvas click, if cracking sound, indicating the poor quality of latex. Purchase of latex, it should open the lid look at the concentration, the higher the concentration the better watered latex not keep. If the lid of the edge of the latex dry skin, check the transparency and flexibility, who can not use hard and easily broken.

 

Common use of latex base method to do:

 

(1) If a smaller frame, with watered blade will not scratch the latex on the canvas twice to use. Or first brush with watered glue again, slightly dry and then scrape again pure latex.

 

(2) First with watered more thin glue coating the first pass, dry little more glue watered (to be able to drag the brush on the subject in the canvas) painted a second time. Coated with a fine sandpaper until the third time will be polishing cloth again, clear out the raised thread. This brush can be four or five times. Repeated brushing glue is to reduce slack in the canvas. But not too much glue, just make sure all holes filled cloth prevail. Too much will affect the canvas with colored glue.

 

(3) Coarse textured canvas can not simply scrape gum, brushing the second time in the glue must be added in large white powder or lithopone, water, gel, powder ratio is about equal. The same proportion of the powder with liquid brush the third time. With a little sandpaper on the surface during finishing. Finally, diluted glue and then cover one or two times. Whether coarse texture canvas, canvas or fine texture in the density of the canvas, you can use the above method to do a white base. Do white base, the professional artist accustomed to the big white powder mixed with titanium dioxide by the same amount. White powder easily absorbed because the big canvas (filled holes), titanium dioxide can increase the brightness.

 

Coating liquid is generally wide and scrubbing brush tool, brush up and down or left and right to the edge, do not use excessive force. In addition to scrubbing brush, the painters often use the scraper (fitting tool) to scrape gum. Scraper with plastic and metal are two kinds of powder in the coating mixture at the end of material, the use of different tools may produce different results. Scrape out the base smoother, and better reflect the canvas texture brush characteristics.

 

For long-term preservation is generally believed that stretched canvas mounted on a frame including four weeks should be coated with glue. But the glue is dry, the canvas will stick around on the wooden frame is not conducive to removal and therefore do not stand in the surrounding gluing.

 

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