Te c h n i c a l I n f o r m a t i o n
Acronal S 400Polymer Dispersions for Construction
C h e m i c a l n a t u r e
Aqueous plasticizer-free copolymer
dispersion of an acrylic acid ester and
styrene
Te c h n i c a l d a t a
Type of dispersion anionic
Solids content approx. 57 %
pH approx. 7 9
Viscosity approx.
140 200 mPa s
Glass transition temperature
approx. 8 C
MFFT approx. 0 C
The exact specifications can be found
in the specification data sheet.
A r e a s o f a p p l i c a t i o n
Acronal S 400 has a varied range of
uses.
Areas of application include for example:
basecoats high-flexibility tile adhesives rigid and flexible waterproofing
slurries for sealing in conjunction
with tiles and protective surface
coatings
anticorrosion protection additive for hydraulic binder systems roof coverings
P r o c e s s i n g
It is usually not necessary to add any
plasticizer, because Acronal S 400 has
low film-forming and glass transition
temperatures.
If the air voids content increases during
processing of Acronal S 400, we
suggest defoaming tests with, for exam-
ple, 0.3 1.0 % Lumiten E 3065 or
Lumiten E-L.
To ensure the crack-bridging proper-
ties of mineral waterproofing slurries,
the polymer/cement ratio should be
between 0.6 and 0.8. If a sag-resistant
consistency is required for the pro-
cessing rheology of the slurry, we
recommend the use of polyurethane-
based thickeners like, for example,
Collacral PU 75.
To speed up hydraulic formulations with
a high proportion of polymer, it may be
beneficial to add aluminous cement or
calcium formate to the dry component.
BASF SE
Regional Business Unit Dispersions
for Adhesives & Construction Europe
67056 Ludwigshafen, Germany
The data contained in this publication are based on our current knowledge and experience. They do
not constitute the agreed contractual quality of the product and, in view of the many factors that
may affect processing and application of our products, do not relieve processors from carrying out
their own investigations and tests. The agreed contractual quality of the product at the time of
transfer of risk is based solely on the data in the specification data sheet. Any descriptions, draw-
ings, photographs, data, proportions, weights, etc. given in this publication may change without
prior information. It is the responsibility of the recipient of our product to ensure that any proprietary
rights and existing laws and legislation are observed.
Edition: September 2009 (ARK) TI/ED 1017 e
This data sheet will be rendered invalid if it is superseded by a later version.
= Registered trademark of BASF SEwww.basf.de/dispersions
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