Industrial Chemicals
Span 85
Span 85 is a biodegradable surfactant based on a natural fatty acid (oleic 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 85.
Chemical Description
Sorbitan ester
Functions
- Antifoam & Defoamer
- Emulsifier
- Surfactant
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 | 8 |
| Saponification value | mgKOH/g | 180 |
| Dynamic viscosity | 25°C mPa.s | |
| Hydroxyl value | mgKOH/g | 65 |
| Clarity | at 25°C | |
| Colour | 10 Gardner | |
| Form | Liquid | |
| HLB value | 1.8 | |
| Moisture | % | 0.8 |
| Peroxide value | meq/kg | 5 |
| Water | %m/m | 0.75 |
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