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Dewaxed Decolourised Flake Shellac :
Natural Resin Lac
is the resinous secretion of the tiny insect Kerria Lacca which in the
refined form is known as Shellac. The quality and specification of
Shellac depends on the raw material as well as the process used for
refining. Dewaxed Decolourised Shellac is produced from carefully
selected for refining. Dewaxed Decolourised Shellac is produced from
carefully selected raw material by the solvent extraction system using
activated carbon.
Physical Data
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Grade
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DG
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7005
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7004
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7003
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7002
|
7001
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7000
|
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Colour (max) Gardner in 20% Ethanol
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Dark
|
17
|
16
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13
|
11
|
8
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6
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Common for all Grades
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Acid No
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(Dab9)
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65-80
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Arsenic
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(Dab9)
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max.ppm
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1.5
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Ash
|
(Dab9)
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max.%
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0.2
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Insolubility in hot alcohol
|
(Dab9)
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max.%
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0.1
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Melting range
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(Dab9)
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°C
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65-80
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Moisture
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(Dab9)
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max.%
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2.0
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Saponification No.
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(Dab9)
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190-230
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Wax
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(USP XXIII)
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max.%
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0.2
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Properties
- Good film forming properties, a high gloss and excellent adhesion to various substrates including the human hair.
- Non-toxic and physiologically harmless.
- Good solution in ethanol and lower alcohols.
- Can be dissolved in water by adding an alkali like Ammonia, Amp, Tea etc.
- Compatible with many other resins, raw materials and additives used in cosmetics, pharmaceuticals and food formulations.
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