20
APPLICATIonS
eNHaNceD concRete WoRKABILIty The South African construction industry
dosage of product and concrete materials
range of applications with high or low water/
is demanding greater workability time for
used, while still maintaining good early
cement ratios and/or high or low ambient
fresh concrete. one solution, introduced
strengths. It uses a polycarbox ylate
temperatures. Consistency and duration
by Sika South Africa, is Sika ViscoFlow.
ether-based superplasticiser (PCE) and
of workability of concrete mixtures are
It extends the workability of concrete
allows time to transport and place the
positively affected along the entire dosing
up to four to six hours, depending on the
concrete properly. This is important for
spectrum. This holds true for all Portland
urban construction sites prone to traffic
cement types.
congestion, or for remote areas. Sika ViscoFlow offers: • Slump retention without additional
are used and are always based on proven
r e t ar da tion and sub se quen t f as t
Sika ViscoCrete Technology. Consistent
strength development
and rigorous development has generated
• Constant slump flow and consistency for up to four to six hours • Extended workability for high performance concrete with low water/cement ratios and high durability properties • G o o d p e r f o r m a n c e u n d e r v a r y in g env ir onmental conditions such as hot climates. Concrete improved with Sika ViscoFlow is poured on site.
Sika ViscoFlow superplasticisers are adapted to local conditions wherever they
Sika ViscoFlow is suitable for a wide
extremely robust PCEs for daily use, which are provided globally under the Sika ViscoFlow brand name. Sika ViscoFlow represents a valuable addition to Sika’s polymer toolbox, broadening the range of applications and fulfilling challenging customer requirements. For more information on Sika products and systems, visit zaf.sika.com