The solid member of the sorbitan family. Waxy at room temperature, disperses readily in hot water, and brings stabilising and defoaming behaviour on top of W/O emulsification.
Specification
- Appearance at 25 °CSlightly yellow waxy solid
- Saponification value240 – 270 mgKOH/g
- Ester value135 – 155 mgKOH/g
- Acid value≤ 8 mgKOH/g
- Moisture≤ 1.5 %
- Flash point52 – 54 °C
- HLB value4.7
- TypeNonionic
Typical values. HLB value, viscosity, acid value and solubility can be adjusted to a formulation's requirements. Some indicators can be modified at customer request.
Solubility
Insoluble in water; disperses easily in hot water.
Applications
- W/O emulsifier with strong emulsifying, dispersing and lubricating action
- Stabiliser and defoaming agent
- Spinning aid in textile processing
- Additive and stabiliser in coating and plastic systems
- Lubricant for PVC (1.5 – 1.8 %), EVA (0.7 – 1 %) and PE
Industries
Packaging, storage and transport
25 kg or 200 kg drums. Custom packaging and tank-truck transport available on request.
Non-flammable and non-explosive; shipped as general non-hazardous goods. Store in a dry, cool, well-ventilated area.
Also known as
Sorbitan monostearate. Ask for the grade by any of these names — we will confirm the specification before quoting.