RAYA CASTS
These groups of castables are
composed of hard aggregates and a binding matrix which tightly
joins aggregates and preserves the integrity of structure.
According to the type of binding system, these are categorized
as hydraulically bound and chemically bound.
![Hydraulically bound](Image/button124.jpg)
In these castables, binding
system is based on hydration of high alumina cement, which in
company with fine grade fillers and well proportionately graded
aggregates, gives a high compressive strength.
![Chemically bound](Image/button12A.jpg)
In these
castables binding is based on a neutralization process of
chemical bonds after addition of some suitable liquid to the
mixture.
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