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A popular chloride-based accelerator The CHRYSO® Xel 650 product helps and temperature of steam curing to be
commonly used by many dry precast the first reactions of cement hydration, optimised.
operations is CHRYSO® Xel C205. This especially at low temperatures. This
product, based on calcium chloride, is an significantly reduces setting time and Customers have access to CHRYSO’s
accelerating admixture which enhances improves early compressive strength. technical advisory service for on-site
the early stages of cement hydration, Packaging options include 25 litre jerry assistance and advice on admixture
which in turn enhances rapid stiffening cans, 200 litre drums, 1000 litre flow bins selection, evaluation trials and dispensing
and hardening of the concrete mix. The and bulk delivery. equipment. Technical data and guidance
result is that final finishing or mould can also be provided for admixtures and
stripping can begin at an earlier age CHRYSO Xel 680 EMx is specifically other products for use with fresh and
without damaging the concrete surface, used in highly extended cements. It hardened concrete. dw
increasing productivity. allows for productivity gains through
pouring/stripping cycle time reduction. www.za.chryso.com
In the winter months, CHRYSO® Moreover, it allows the time required
Xel C205 assists in overcoming delays
in concrete finishing caused by cold
weather. Supplied as a clear solution, it
instantly disperses in water. It can be
used in applications that do not contain
embedded metal, and in foamed mortar
systems.

CHRYSO® Xel C205 is compatible
with other CHRYSO® admixtures used
in the same concrete mix. It can also be
used with all types of ordinary Portland
cements and cement replacement
materials such as pulverised fly ash (PFA),
ground granulated blast-furnace slag
(GGBFS) and silica fume. CHRYSO® Xel
C205 is available in drum or bulk supply.

For steel-reinforced concrete, the
ideal solution is the non-chloride-
based accelerating admixture CHRYSO®
Xel 650. This can be used in all types
of cement, and applications include
shuttered concrete, pre-stressed concrete,
precast elements and readymix concrete.

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