ESTISURF® Emulsifiers
Emulsifiers for Solvents, Oils & Waxes
The ESTISURF® product range consist of surfactants for a wide range of applications in formulated chemical products. An important part of our ESTISURF® range is the emulsifiers for solvents, oil & waxes.
On this site, you will find our range of nonionic emulsifiers for application as primary or -secondary emulsifiers in release agents, polishes, solvent emulsions, metalworking lubricants etc.
In addition to emulsify oils & waxes, ESTISURF® emulsifiers can be used for making oils & solvents rinsible with water.
ESTISURF emulsifiers – a broad range for all applications
The selection of an emulsifier for a specific formulation depends on the required properties for the formulation but especially on the chemical nature of the medium to be emulsified.
Some oily components are highly polar whereas others are non-polar, and they require completely different emulsifiers to obtain a stable emulsion with a small droplet size. ESTI CHEM has experience with various types of emulsifiers creating stable, semi-stable or fast-splitting emulsions.
Often a combination of emulsifiers is applied, eventually additions of a wetting agents and co-solvents such as a small amount of glycol ethers.
Parameters for emulsifier selection
Some typical parameters, that influence the choice of emulsifier:
- The pH value of the formulation: in the pH range 6-9, all emulsifiers may be applied, but the further the formulation goes to the acidic or alkaline side, the more we recommend focusing on fatty alcohol alkoxylates. For water-free formulations, there are no limitations.
- The HLB value of the nonionic surfactant: a hydrocarbon solvent normally requires a lower HLB value of the emulsifier than more polar fluids such as esters. The table will guid you to the right selection of emulsifier for a screening test.
- Requirements for raw material origin: for some applications, there may be requirements for bio-based origin of the formulation raw materials; in others it may no be important. Please consult www.estichem.com for more information about the content of bio-based raw materials in our products.
- Requirements for Eco-label: In case you require eco-label on the formulation ingredients, you can consult estichem.com for further information about the eco-label qualifications of the various ESTISURF® emulsifiers.
- Requirements for CLP label: you can find more information about the CLP labelling of an ESTISURF® emulsifier in the product MSDS.
Emulsifiers recommendations tabel
Please find below a table with recommendations of emulsifiers for various types of the oily phase. The recommendations are based on experience from practical work with the development of formulations for chemical products.
|
Product |
Rapeseed oil |
Paraffinic mineral oil |
Hydro-carbon solvents |
Mono-esters |
Silicone oil |
Montan ester wax |
PE wax |
|
ESTISURF 430 (*) |
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ESTISURF 480 |
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ESTISURF 600 |
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ESTISURF 950 |
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ESTISURF 965 |
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ESTISURF 970 |
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ESTISURF 990 |
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ESTISURF 1618/3 |
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ESTISURF 1618/7 |
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ESTISURF BA 1206 |
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ESTISURF BA 1209 |
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ESTISURF CO 40 |
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ESTISURF RE 100 |
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ESTISURF M27 |
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(*): ESTISURF 430 can act as a low-HLB emulsifier, but most often it is applied as coupling agent to secure good solubility of the emulsifier in the oily phase.
|
Highly recommended |
Recommended |
Not recommended |
ESTISURF® emulsifiers – a broad range for all applications
The selection of an emulsifier for a specific formulation depends on the required properties for the formulation but especially on the chemical nature of the medium to be emulsified.
Some oily components are highly polar whereas others are non-polar, and they require completely different emulsifiers to obtain a stable emulsion with a small droplet size. ESTI CHEM has experience with various types of emulsifiers creating stable, semi-stable or fast-splitting emulsions.
Often a combination of emulsifiers is applied, eventually additions of a wetting agents and co-solvents such as a small amount of glycol ethers.
ESTI CHEM offers a wide selection of emulsifiers with very different physical-chemical properties:
|
Product |
Product type |
HLB value |
Active content (%) |
Polarity |
CLP classification |
|
ESTISURF 430 |
Fatty acid ester |
4.7 |
100 |
Low |
None |
|
ESTISURF 480 |
Fatty acid ester |
7.4 |
100 |
Low |
None |
|
ESTISURF 600 |
Fatty acid ester |
10.2 |
100 |
Medium |
None |
|
ESTISURF 950 |
Fatty acid ester |
8.6 |
100 |
Low |
None |
|
ESTISURF 965 |
Fatty acid ester |
10.0 |
96 |
Medium |
None |
|
ESTISURF 970 |
Fatty acid ester |
11.0 |
100 |
Medium |
None |
|
ESTISURF 990 |
Fatty acid ester |
14.0 |
100 |
High |
None |
|
ESTISURF 1618/3 |
Fatty alcohol alkoxylate |
9.0 |
100 |
Low |
None |
|
ESTISURF 1618/7 |
Fatty alcohol alkoxylate |
11.0 |
100 |
Medium |
None |
|
ESTISURF BA 1206 |
Fatty alcohol alkoxylate |
12.3 |
90 |
High |
H318 |
|
ESTISURF BA 1209 |
Fatty alcohol alkoxylate |
13.8 |
90 |
High |
H302, H318 |
|
ESTISURF CO 40 |
Fatty acid ester |
13.6 |
100 |
High |
None |
|
ESTISURF RE 100 |
Fatty acid ester |
7.0 |
100 |
Low |
None |
|
ESTISURF M27 |
Optimized emulsifier package |
9.3 |
99 |
Medium |
None |
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Esti Chem has been active for more than 30 years in the field of solvent substitution, specialty surfactants, microemulsions, and silicone oil-free defoamers.
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