Ciba Specialty Chemicals
Coating Effects Segment
(R) (R)
Ciba EFKA 4061
General EFKA 4061 is a polymeric dispersant for stabilizing inorganic and
organic pigments. This results in:
S improved gloss and DOI
S reduced flooding problems
S higher colour strength
S lower viscosity
Chemical Composition Modified polyurethane
Physical Properties Active ingredients : 29 - 31%
Solvents : butylacetate/methoxypropylacetate/xylene
Density at 20 °C : 0.94 - 0.96 g/cm3 DIN 51757
Amine value : 6 - 10 mg KOH/g DIN 16945
Flashpoint : 24 °C ISO 3679
Color : max. 5 ISO 4630
Appearance : clear, to slightly hazy yellowish liquid
Applications EFKA 4061 is used in all types of solvent-based coatings, particularly
high quality industrial coatings such as: automotive topcoats (OEM and
refinish), coil coatings and 2-pack polyurethane coating systems.
EFKA 4061 is also suitable for use in pigment concentrates.
Recommended concentrations
EFKA 4061 should be incorporated in the mill base before adding the
pigments.
Calculation method for the required amount of active ingredients on
pigment:
Inorganic pigments: 10% of oil absorption value
Organic pigments : 25 - 50% of BET value
Carbon blacks : 20% of DBP absorption value
Safety and Handling EFKA 4061 should be handled in accordance with good industrial
practice. Detailed information is provided in the Safety Data Sheet.
Edition: 01.12.2006, Heerenveen ” 2005 Ciba Specialty Chemicals Inc. Page 1 of 2
(R) (R)
Ciba EFKA 4061
Storage EFKA 4061 should be stored in a cool dry place, preferably at room
temperature (20 °C). When kept in an original unopened container, it
will keep up to 5 years from the date of manufacture. The expiry date is
indicated on the container.
Packaging packaging information is available on request through our local
representative
Trademark EFKA is a registered trademark.
Important Notice IMPORTANT: The following supersedes Buyer’s documents. SELLER
MAKES NO REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED,
INCLUDING OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. No statements herein are to be construed as inducements to
infringe any relevant patent. Under no circumstances shall Seller be
liable for incidental, consequential or indirect damages for alleged
negligence, breach of warranty, strict liability, tort or contract arising in
connection with the product(s). Buyer’s sole remedy and Seller’s sole
liability for any claims shall be Buyer’s purchase price. Data and results
are based on controlled or lab work and must be confirmed by Buyer
by testing for its intended conditions of use. The product(s) has not
been tested for, and is therefore not recommended for, uses for which
prolonged contact with mucous membranes, abraded skin, or blood is
intended; or for uses for which implantation within the human body is
intended.
Edition: 01.12.2006, Heerenveen ” 2005 Ciba Specialty Chemicals Inc. Page 2 of 2




