ACETATE
[Film Technology]
[Film Technology]
Refer acetate film stock
and Acetate sheet filter. Film base by acetate. Below freezing
point acetate film stock dries out & becomes progressively brittle
and subject to static which on the screen, looks
like flashes of lightning
streaking across the picture area. Loading a
camera without breaking the film becomes difficult. Below -400
F the speed of the film begins to drop and between -500 F or -600
F a whole extra stop should be allowed. At these
temperatures estar or mylar
base film is preferable to acetate. Acetate sheeting is generally preferable,
but much more expensive. A stiffer material, it can be used similarly to gelatin. Although, liable to buckle, it can be provide
a clear image beyond the window. Ethanoate or Acetate, a salt or ester of ethanoic acid (acetic acid). The salts are formed by
reacting ethanoic acid with a base, such as a metal hydroxide; the esters by reacting
the acid with an alcohol. The ester cellulose ethanoate (cellulose acetate), referred to commercially
simply as acetate, is used in fabrics, fibres, and films.
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