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Sorbitan

Span 20/S-20

Hotline:189-9418-6000

Product Introduction

Technical Norm of Span 20 (S-20)

SpecificationAppearance (25℃)Hydroxyl Value (mgKOH/g)Saponification Value (mgKOH/g)Moisture (%)Acid Value (mgKOH/g)HLB Value
S-20Amber viscous liquid330-360160-175≤1.5≤88.6


*Note: * Indicates measurement in 5% NaCl solution.

Performance and Application of Span 20

Specification: Span 20 / S-20

  1. Span 20 is soluble in oils and organic solvents, and disperses in water to form a semi-milky liquid.
  2. Applications:
    • In pharmaceutical and cosmetic production: As W/O emulsifier, stabilizer, plasticizer, lubricant, and desiccant.
    • In textile industry: As softener, antistatic agent, and finishing agent.
    • As mechanical lubricant.
    • As an additive-type antifogging agent, it shows good initial and low-temperature antifogging properties, suitable for PVC (1-1.5%), polyolefin films (0.5-0.7%), and EVA films.

Packaging and Storage

  • Span 20, S-80, and S-85 are packaged in 50Kg plastic drums; S-40 and S-60 are packaged in 20Kg woven bags.
  • Store and transport as general chemicals.
  • Store in a dry, ventilated place.
  • Shelf life: 2 years.


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