详情描述

Emulsifying agent Span

【Chemical Composition】Sorbitan Monostearate

Category    TypeNon-ionic

Spec    GradeS-20, S-40, S-60, S-80, S-85 (Special specifications, can be developed and processed upon request.)

Technical Specifications

Specs

Appearance

(25℃)

Hydroxyl Value (mgKOH/g)

Saponification Value (mgKOH/g)

Acidity (mgKOH/g)

Moisture (%)

HLB Value

Melting Point (°C)

S-20

Amber-colored thick liquid

330~360

160~175

≤8

≤1.5

8.6

Liquid (25°C)

S-40

Micro-yellow waxy solid

255~290

140~150

≤8

≤1.5

6.7

45~47

S-60

Micro-yellow waxy solid

240~270

135~155

≤8

≤1.5

4.7

52~54

S-80

Amber, thick, oily substance

190~220

140~160

≤10

≤1.5

4.3

Liquid (25°C)

S-85

Yellow oil-like liquid

60~80

165~185

≤15

≤1.5

1.8

Liquid (25°C)

 

Performance & Applications

Specs

Performance and Specifications

S-20

1. Soluble in oils and organic solvents; disperses in water as a semi-galactose liquid.

2. Used as a W/O emulsifier, stabilizer, plasticizer, lubricant, and desiccant in pharmaceutical and cosmetic production; as a softener, antistatic agent, and finishing agent in the textile industry; also serves as a mechanical lubricant. As an additive anti-fog agent, it exhibits excellent initial and low-temperature anti-fogging properties, suitable for PVC (1~1.5%), polyolefin film (0.5~0.7%), and EVA film.

S-40

1. Soluble in oils and organic solvents, it disperses in hot water.

2. Used as an emulsifier and dispersant in the food and cosmetics industry; as an emulsifying stabilizer in liquid polymerization; as a dispersant in printing inks; also serves as an additive for textile waterproof coatings and oil emulsifying dispersants; widely used in polymer anti-dew agents, with PVC agricultural film at 1~1.7%, and EVA at 0.5~0.7%.

S-60

1. This product is insoluble in water, forming a dispersed state in hot water. It is an excellent w/o emulsifier with strong emulsifying, dispersing, and lubricating properties, and also serves well as a stabilizer and defoamer.

2. Used as an emulsifier in the food industry, applicable in the production of beverages, sugar candies, ice cream, bread, cakes, malted milk, butter, chocolate, etc.; in the textile industry, as an antistatic agent and softening lubricant component for acrylic fibers; as an emulsifier and stabilizer in the food, agricultural pesticide, pharmaceutical, cosmetic, coating, and plastic industries; and as a fogging inhibitor for PVC, EVA, PE, and other film products, with usage rates of 1.5-1.8% in PVC and 0.7-1% in EVA.

S-80

1. Insoluble in water, soluble in hot oil and organic solvents; it is a high-grade oleophilic emulsifier.

2. Used for W/O type rubber explosive, nylon and viscose帘子线 oiling agent, which has a good smoothing effect on fibers. Suitable for emulsification in machinery, coatings, chemicals, and explosives. Acts as an emulsifier in heavy mud for oil drilling; used as an emulsifier in food and cosmetic production; as a dispersant in the paint and coatings industry; as a stabilizer in titanium dioxide production; as an insecticide, wetting agent, and emulsifier in pesticide production; as a solvent aid in petroleum products; and also as a rust inhibitor for anti-rust oils. Also serves as a lubricant and softener for textiles and leather.

3. As a film antifogging agent, it exhibits excellent initial and low-temperature antifogging properties. The dosage in PVC is 1~1.5%, and in polyolefins, it is 0.5~0.7%.

S-85

1. Slightly soluble in isopropyl alcohol, tetrachloroethylene, cottonseed oil, etc.

2. Primarily used in the pharmaceutical, cosmetics, textile, paint, and petroleum industries, serving as emulsifiers, thickeners, rust inhibitors, and more.

 

Packaging and Storage

S-20, S-80, and S-85 are packaged in 50Kg plastic drums; S-40 and S-60 in 20Kg woven bags. Stored and transported as general chemicals. Keep in a dry, well-ventilated area. Shelf life: 2 years.


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