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Ref: Admix/FlyAsh 鈥? Product Data (706062)
Fly Ash
A STRENGTH-INCREASING POWDER ADDITIVE FOR PORTLAND
CEMENT-BASED MIXES.
PRODUCT OVERVIEW: It should be fully evaluated before actual use in
Ability鈥檚 Fly Ash powder is a fine siliceous dust paints and membranes, cementitious paints and
selectively collected in Australia from the as a low cost extender/filler in plastics and other
controlled combustion of pulverised black coal. composites materials. Mortar (including existing
During the combustions process, the bulk of the wall rendering/plastering and floor/wall fairing
particles formed are microscopic spheres. Light mortars)
grey in colour, and are of a much more rounded
BENEFITS:
particle shape than Portland cement.
In plastic concrete:
In the presence of hydrating Portland cement,
Fly Ash powder behaves like a secondary Reduced water requirement for a given
cement by reacting slowly at ambient plastic consistency.
temperatures with Calcium Hydroxide (lime) Reduced bleeding of mix water to the surface
liberated during these long-term hydration and the reduction or elimination of
reactions of water with cement. segregation of the aggregates from the
cementitious paste.
Chemically, the spherical particles of Fly Ash are
Easier placement and improved workability.
composed mainly of glassy compounds of silica,
Improved pumpability, extrudability and spray
alumina, iron and calcium. The product can be
ability.
regarded as virtually inert and therefore may,
Improved finishability.
after adequate testing be suitable for
incorporation into coatings, plastics, adhesives,
In hardened concrete:
rubber and other composite materials as a non-
hiding, light grey extender/filler pigment at low
Greater ultimate mechanical strengths.
cost.
Reduced drying-shrinkage and creep (volume
deformation under sustained load).
ECOLOGICALLY SUSTAINABLE
Reduced permeability to liquids.
DEVELOPMENT:
Increase resistance to sulphate attack from
Fly ash can be used to replace up to 40 % of
sulphate containing ground waters.
milled cement. It reduces the amount of raw
Enhanced resistance to alkali aggregate
material and fuel required in the manufacture of
reaction (AAR) and subsequent sporling.
cement. That means greenhouse gas emissions
Lowered heat of hydration to prevent cracking
are reduced.
in large volume, mass pours.
USE: Increased resistance to freezing and thawing
degradation.
For Portland cement based structural members,
concrete pavements and all concrete products. Less potential for efflorescence (we
recommend the use of Ability鈥檚
Also as a cost lowering, binder reducing and
鈥楨FFLOREIN庐鈥? Mark 2 powder for greater
abrasion resisting additive for plastics, paints,
control of efflorescence 鈥? leached, white salt
adhesives, rubber etc, virtually all types of
crystalline bloom).
mortars/grouts, floors, screeds and toppings etc.
Greater resistance to acids and chemical
In bituminous concrete, slab-jacking, soil
attack.
stabilisation, mine shaft fill, filtration, as a plastic
consistency improving additive for baked clay
products etc, road base, in embankment
construction, as well as for back fill etc.
DOSAGE RATES: PRECAUTIONS:
The dose rate proportion for Portland cement, Fly Ash is classified as hazardous, and it is
ranges from 15% to 30% replacement in pre- recommended that the following Personal
mixed concrete and 20% to 50% with autoclave Protective Equipment (PPE) and precautions are
during in concrete blocks, bricks and pavers for followed when handling and using the product:
a given ultimate compressive strength which
lowers the cost of production. Wear full overalls, gloves safety goggles and
a dust mask during mixing
PACKAGING: Wash overalls regularly.
Fly Ash is supplied in 10kg paper bags. Avoid skin and eye contact
Always wash hands before eating, drinking,
STORAGE: smoking or using the toilet
For maximum shelf life, Fly Ash should be
stored in its original container, out of direct For further Health and Safety information,
sunlight, in appropriate, dry conditions. please refer to Fly Ash Safety Data Sheet
(MSDS), which is available from Ability Building
Chemical Co.
133-135 Northern Road, West Heidelberg, Victoria, Australia, 3081
PH: 03 9457 6488 FAX: 03 9458 4683 EMAIL: service@abilityproducts.com.au
www.abilityproducts.com.au
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