Cebex 100 constructive solutions

Plasticized Expanding Grout Admixture

plasticized, expanding powder admixture. The admixture
Uses
must be iron-free and chloride-free and shall be added to
Cebex 100 is an admixture for cementitous grouts where a the grout in the proportions 225 g of admixture per 50 kg
reduced water/cement ratio and positive expansion is of cement. The admixture shall provide an expansion of
required. Applications include bed grouting, duct grouting, up to 4% in the plastic grout, by means of a gaseous
non-shrink infilling and jointing. system.
Advantages Supplier Specification

• Gaseous expansion system compensates for plastic All grouting (specify details and areas of application) must
shrinkage and settlement in properly designed be carried out using a cement based grout, incorporating
cementitous grout. Cebex 100 manufactured by Fosroc and applied strictly in

• Reduced water/cement ratio mixes in the grout mix accordance with the manufacturer's technical data sheet.

ensures low permeability and long term durability in Properties

service.
Chloride content Nil to BS5075
• Gives high grout fluidity with low water/cement ratio,
thus making placement or injection of the grout easy. Compressive strength The plasticizing action of
Cebex 100 allows reduction of
• No metallic iron content to corrode and cause staining
the water/cement ratio of
or deterioration due to rust expansion in the grout.
grouts while maintaining flow
• Composition allows high early strength development properties. This gives
in grouts, without the use of chlorides. improvement strength and long
term durability when cured
Standards Compliance
under restraint
Cebex 100 is a suitable pre-stressing grout admixture
when complying with BS 8110 Part 1, 1985, section Setting times Cebex 100 does not
8.9.4.6. significantly affect the setting
times of cement based grouts
Description
Expansion characteristics The controlled positive
Cebex 100 is supplied as a powder admixture. The
expansion in unset grouts
material is a combination of a plasticizing agent and a gas
incorporating Cebex 100
producing expansion medium. The plasticizing agent
overcomes plastic settlement
allows the use of a reduced water/cement ratio with
when measured in accordance
consequent increased strengths and durability. The
with ASTM C827. An
expansive medium counteracts the natural settlement and
unrestrained expansion of 4%
plastic shrinkage of the grout and aids stability and
is typical.
cohesion.

Sufficient restrained expansion is developed to ensure a Time for Expansion 15 mins – 2 hrs @ 200C

high degree of interfacial contact. Compatibility Cebex 100 is compatible with

Specification all types of Portland cement.
Cebex 100 may be used in
Performance Specification
mixes containing certain other
All grouting (specify details and areas of application) must Fosroc Admixtures
be carried out with a cement based grout incorporating a

Page 1
Cebex 100

Instructions for Use Limitations

Mixing Cebex 100 is not compatible with High Alumina Cement.

For best results Fosroc MR3 mixer must be used. For Estimating
quantities up to 50 kg a slow speed drill fitted with a high
Supply
shear paddle is suitable. Larger quantities will require a high
shear vane mixer. Cebex 100 : 227g sachets or 20 kg drum

It is essential that machine mixing capacity and labour Dosage

availability is adequate to enable the grouting operation to OPC Concreting Water Cebex Approx.
be carried out continuously. This may require the use of a Sand 100 Yield
holding tank with provision for gentle agitation to maintain
50 kg - 20-22 ltrs 225g 36 ltrs
fluidity.
50 kg 50 kg 22-24 ltrs 225g 57 ltrs
The selected water content should be accurately measured
Note: For grout, mortar or concrete mixes with an
into the mixer. Slowly add the cement (and sand if required)
and Cebex 100. Mix continuously for 5 minutes, making
aggregate/ cement ratio more than 1, use 4 x 227g units or
900g of Cebex 100 per 100 kg of cement.
sure that a smooth even consistency is obtained.
Effects of overdosing
Application
Overdosing of Cebex 100 increases expansion and may
Areas to be grouted should be prepared to ensure
cause frothing.
substrates are clean, sound, and then pre-wetted. The
unrestrained surface area of the grout must be kept to a Shelf Life
minimum. Place the grout within 20 minutes of mixing to
Cebex 100 has a shelf life of 12 months if kept in a dry store
gain the full benefit of the expansion process. Adopt usual
in its original packaging. High temperature and humidity
placing or pumping procedures ensuring a continuous
storage may reduce this period.
operation.
Precautions
Curing
Health and Safety
On completion of the grouting operation, any exposed areas
which are not to be cut back should be thoroughly cured by Cebex 100 is of low hazard.
means of water application, Concure curing membrane or
Contact with the skin and eyes, or inhalation of dust should
wet hessian.
be avoided. Wear suitable protective clothing, gloves, eye/
Cleaning face protection and dust mask. After contact with skin, wash
off with clean water. In case of contact with eyes, rinse
Grouts mixed with Cebex 100 should be removed from tools
immediately with plenty of water and seek medical attention.
and equipment with clean water immediately after use.
Remove cured material mechanically or with Fosroc Acid For further information see Product Material Safety Data
Etch. sheet.

Important note
Fosroc products are guaranteed against defective materials and manufacture and are sold subject to its standard Conditions for the
Supply of Goods and Services, copies of which may be obtained on request. Whilst Fosroc endeavours to ensure that any advice,
recommendation, specification of information it may give is accurate and correct, it cannot, because it has no direct or continuous control
over where or how its products are applied, accept any liability either directly or indirectly arising from the use of its products, whether or
Fosroc Sdn. Bhd. not in accordance with any advice, specification, recommendation of information given by it.

No 8 Jalan Trompet, 33/8

Seksyen 33, 40400 Shah Alam telephone: fax: email:
Selangor, Malaysia +60 3 5191 5660 +60 3 5191 6960 malaysia@fosroc.com

Branch Office:
215B Argyll Rd, 10050 Penang +60 4 228 7464 +60 4 228 0901
Malaysia 2413-2005-AQ-SIN-
RVA

www.fosroc.com Page 2 MAL/0401/05/A