Concrete hardening and dustproofing liquid Description
wire brush. Remove all dust and loose matter
MASTERTOP® 20 is a colourless low viscosity
using a soft broom or industrial vacuum. If wetting
liquid for application to concrete. It hardens and
of the floor has taken place during preparation it
commencement of MASTERTOP® 20 application.
Typical applications
Hardening and dustproofing concrete floors or
Method of application:
cement-based wearing screeds and pavings in:
Stir the MASTERTOP® 20 before use. Pour
evenly, or use a plastic watering can to sprinkle
the MASTERTOP® 20 liquid over the surface of the
backwards and forwards over the floor to ensure
Advantages
even penetration. Any MASTERTOP® 20 not
totally absorbed into the surface should be
removed by mops or squeegees before drying.
24 hours after initial treatment, apply a second
coat in a similar manner (some floors may require
three coats). 24 hours after the final coat, wash
By combining with the free lime produced during
hydration of the cement, MASTERTOP® 20 forms
The floor may be walked on and used during the
hard insoluble crystals thus binding the particles
together and sealing the surface to form a hard
Watchpoints New concrete: Composition
New concrete should be allowed to cure fully (21
MASTERTOP® 20 is an aqueous solution of
sodium silicate plus surface active chemicals.
Packaging Dense floors:
MASTERTOP® 20 is available in 210 litre
Hard compacted / power floated surfaces may
not have sufficient porosity to allow absorption of
the MASTERTOP® 20. Prior to treatment test for
Application procedure
absorption of water. If concrete is absorbent, test
Preparation:
a small area with neat MASTERTOP® 20 and
Remove all oil, grease, etc. using a degreasing
solution. Brush the floor with a hard broom or
accordingly. If in doubt, ask for technical
manufactured by BASF, or similar approved, to
assistance from your BASF representative.
Composition: A colourless, aqueous solution of Porous floors:
sodium silicate plus surface active chemicals.
MASTERTOP® 20 is not suitable for floors of high
The liquid shall be applied strictly in accordance
porosity. In such cases the use of MASTERKURE
with the manufacturer's recommendations.
Other precautions
Store under cover out of direct sunlight and
Take care to protect glass, paintwork, brickwork,
furnishings, etc., from splashes. Do not use
Failure to comply with recommended storage
conditions may result in premature deterioration of
Note: MASTERTOP® 20 will not work on weak,
the product or packaging. For specific storage
advice consult BASF's Technical Services
Coverage rate
As porosity and texture of concrete floors and
cement pavings vary considerably, it is not
possible to quote accurate coverage rates, but
Field service, where provided, does not constitute
supervisory responsibility. For additional
BASF reserves the right to have the true cause of
any difficulty determined by accepted test
Equipment care Quality and care
All equipment should be washed in clean water
All products originating from BASF’s Dubai, UAE
facility are manufactured under a management
system independently certified to conform to the
Specification clause
requirements of the quality, environmental and
MASTERTOP® 20
occupational health & safety standards ISO 9001,
All concrete, granolithic and screed wearing
surfaces shall receive two coats of MASTERTOP®
20 colourless hardener and dustproofer as
Whilst any information contained herein is true, accurate and represents our best knowledge and experience, no warranty is given or implied with
any recommendations made by us, our representatives or distributors, as the conditions of use and the competence of any labour involved in the
As all BASF technical datasheets are updated on a regular basis it is the user's responsibility to obtain the most recent issue. BASF Construction Chemicals UAE LLC
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