Span 20
Language: English | Type: Data Sheet | Size: 198kb
Industrial Chemicals
Span™ 20
Span 20 is a biodegradable surfactant based on a natural fatty acid (lauric acid) and sugar alcohol sorbitol. This sorbitan ester is highly effective at forming oil in water emulsions, particularly when used with its ethoxylated derivative, Tween 20.
Chemical Description
Sorbitan ester
Functions
- Emulsifier
- Wetting agent
Applications
- Automotive
- Bitumen & Construction
- Chemicals Manufacture
- Emulsification
- Nonwovens
Regional Availability
- Asia
- Europe
- Latin America
- N America
Main Specifications
| Property | Units | Value |
|---|---|---|
| Acid value | mgKOH/g | 3.5 |
| Saponification value | mgKOH/g | 164 |
| Hydroxyl value | mgKOH/g | 344 |
| Colour | Gardner | 3.5 |
| Fire point | °C | |
| Flash point, Open Cup | °C | |
| Form | Liquid | |
| Form | at 25°C | |
| HLB value | 8.6 | |
| Peroxide value | meq/kg | 5 |
| Rel.density | at 25°C | |
| Sulphated ash | %m/m | 0.48 |
| Water | %m/m | 0.5 |
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