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Such use of liquid masterbatches allows highly accurate dosing and quick color changes between machine runs. [3] [4] Masterbatches are highly concentrated compared to the target composition, with high "let-down ratios"; for example, often 25 kgs of a masterbatch can be used to compound one ton of base polymer. [5]
The baker has determined how much a recipe's ingredients weigh, and uses uniform decimal weight units. All ingredient weights are divided by the flour weight to obtain a ratio, then the ratio is multiplied by 100% to yield the baker's percentage for that ingredient:
"Wax over shellac" (an application of buffed-on paste wax over several coats of shellac) is often regarded as a beautiful, if fragile, finish for hardwood floors. Luthiers still use shellac to French polish fine acoustic stringed instruments, but it has been replaced by synthetic plastic lacquers and varnishes in many workshops, especially high ...
Until the 1960s, sugar cane wax was added to the production of chewing gum as an edible wax. In this process the sugar cane wax acted as elastomer or as plasticizer and consistency regulator. [4] In 1943, J. W. Schlegel and L. Lang were granted a patent to flour donuts with sugar. [5] The ground sugar was mixed with 0.4% of sugar cane wax.
Wax-resin lining would remain ubiquitous through the first half of the 20th century as it was viewed as a preservative practice with little negative consequence. [1] Some practitioners began expressing doubts as a result of observed damage on lined paintings which lead to the 1974 Comparative Lining Conference.
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Plastic colorants are chemical compounds used to color plastic. Those compounds come in a form of dyes and pigments. The type of a colorant is chosen based on the type of a polymeric resin, that needs to be colored. [citation needed] Dyes are usually used with polycarbonates, polystyrene and acrylic polymers.