Kester Wax BK-40
Kester Wax BK-40 is a high molecular weight branched ester. BK-40 is hard and brittle with a low melt point. These attributes impart a creamy texture and help to improve skin moisture without adding greasiness like many butters.
Chemical Properties
| ANALYTICAL TEST | METHOD | SPECIFICATION | UNITS |
|---|---|---|---|
| Melting Point | USP 741 | 35-44 | °C |
| Acid Value | USP 401 | 15 Maximum | mg KOH/g |
| Ester Value | USP 401 | 50-82 | mg KOH/g |
| Saponification Value | USP 401 | 65-83 | mg KOH/g |
| Iodine Value | USP 401 | 2.5 Maximum | g/100g |
| Ester Content, GC | KK 208 | >90% |
Formulation Guidelines
Kester Wax BK-40 mimics the textures of butters and hydrogenated chemistries without the oxidation and rancidity issues. Formulators will find it builds viscosity and improves esthetics in emulsions. BK-40 can be used in all cosmetic, skin and hair applications without limit.
Regulatory
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INCI NAME: C32-36 Isoalkyl Stearate
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CAS #: 68201-22-9
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EINECS #: 269-209-4
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KOSTER KEUNEN CODE #: 197
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TRADE NAME: Branched Kester Wax BK-40
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MINIMUM SHELF LIFE: 2 years
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MANUFACTURED: Watertown, Connecticut, USA
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NOT TESTED ON ANIMALS: Yes
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KOSHER: Yes
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ORGANIC: No
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GMO FREE: No
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GRAS: No
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CANADA: Listed
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JAPAN: Unknown at time of print
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CHINA: Unknown at time of print
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AUSTRALIA: Unknown at time of print
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REACH: Unknown at time of print
