At a glance
End-capped surfactants
Low-foam process wetting
- Ionic type
- Nonionic
- Typical HLB
- Mid; capped EO
- Foam
- Low
- Key industries
- I&I, Textile, Metal
Biodegradability: End-capping lowers foam and can slow biodegradation versus uncapped alcohol ethoxylates — confirm the grade claim.
End-Capped Low Foaming Products
End-capped surfactants technical guide
TCF 10 and CSLF-17 are the commercial grades. Why end-capping survives caustic, how it differs from EO/PO low-foam copolymers, and when APEO rules out alkyl phenol hydrophobes are explained in the end-capped surfactants guide.
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FAQ
Frequently Asked Questions - End Capped Surfactants
Find answers to common questions about end capped surfactants
End capped surfactants are nonionic surfactants where the terminal hydroxyl group is capped (blocked) with a hydrophobic group. This modification provides enhanced alkali stability, improved low-foaming properties, and better performance in high pH applications.
End capped surfactants offer excellent alkali stability, low-foaming properties, high temperature stability, improved hard water tolerance, and enhanced performance in high pH applications. They are ideal for industrial cleaning and metal processing applications.
End capped surfactants are used in metal cleaning, textile processing, industrial cleaning, paper manufacturing, and applications requiring high alkali stability and low foam.
End capped surfactants have blocked terminal hydroxyl groups, providing superior alkali stability, lower foaming, and better performance in harsh conditions compared to standard ethoxylated surfactants. They maintain effectiveness in high pH and high temperature environments.
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Related CAS Numbers
EO CAS 75-21-8
Propoxylation CAS 75-56-9
Polyethylene Glycol CAS 25322-68-3
CAS 68439-46-3
Nonylphenol Ethoxylates CAS 9016-45-9
Polysorbate 20 CAS 9005-64-5
Polysorbate 80 CAS 9005-65-6
Polysorbate 60 CAS 9005-67-8
PEG-20 Stearate CAS 9004-99-3
CAS 106-88-7
EO/PO Block Copolymers CAS 9003-11-6
Methyl Esters CAS
