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Photograph here Issue No: 1/2013
Descripon
Silane BHN is a free-owing, colourless, solvent-free liquid
based on a monomeric alkylalkoxysilane. It is specically intended
for
the water-repellent impregnaon of mineral construcon materials
in outdoor areas. Silane BHN is supplied ready to use and
meets all UK Department of Transport standards, ie BD43/03,
BD43/90 and BA33/90, as well as conform to EN1504 Part 2.
Silane BHN
Penetrang Silane Water Repellent
www.nufins.com
Nufins
Advantages
Invisible in use, surface dirt pick-up reduced.
Hydrophobic -repels liquid water.
Does not eect the ability of water vapour to leave
a structure.
Protects from the eects of de-icing salts and
freeze/thaw cycle.
Stops alkali-silica reacon in concrete.
Does not aect exisng an-slip properes.
Easily applied by sprayer, brush or roller.
Rapid drying and low odour -ideal for use in public
areas.
Environmentally friendly.
Applicaons
Provides a water repellent surface to any concrete
or masonry.
Protects and maintains the appearance of natural
stone and decorave ling.Technical Informaon
Appearance colourless liquid
Acve Ingredients Alkylalkoxysilane
Percentage Acve Ingredient 98%
Density 0.88 @ 23oC
Viscosity
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Kingston House, 3 Walton Road, Panson North, Washington, Tyne
& Wear, NE38 8QA, United Kingdom
T: +44(0) 191 416 8360 F: +44(0) 191 415 5966 W: www.nuns.com E:
[email protected]
This informaon and/or specicaon contained herein or in our
literature or given by Nuns, its employees, distributors, agents or
representaves with regard to its
product or their use or applicaon are given in good faith, but
no liability is accepted for any loss or damage (including direct
or consequenal loss or loss of prots) from
the use of products because Nuns has no control over how its
products are used and applied.
FM11022Nufins
Surface PreparaonAll surfaces should be clean and visibly dry.
Structural
defects should be repaired although hairline cracking is
tolerable. Moss and lichen should be treated using Nuns
Fungicidal Wash.
Applicaon Instrucons
When treang fresh concrete it is preferenal the concreteis
allowed to cure for 28days before the Silane is applied. In
the case of concrete repairs only 7 days cure will be
required.
The areas to be treated shall be air -dried and clean in
order
to ensure maximum penetraon of the acve ingredient.
The Silane BHN should be applied by ow coang to the
saturaon point. This is achieved by Spraying the material,
without pressure, against the surface where the liquid shall
remain for 3 to 5 seconds. The Silane must not be atomised
nor brushed on. Applied in two applicaons, the rates will
be greatly aected by the substrates porosity, at least 0.3
litres/m2
is recommended. Nuns metal spray equipment
should be used at a low pressure (approximately 0.06 MPa)
with a 5mm outlet.Silane BHN must be protected from
water/rainfall both
before use and for the rst 30-60 minutes aer spraying.
PackagingSilane BHN is available in 25, 200 and 900 litre
units.
StorageSilane BHN should be stored, unopened, at temperatures
between
-10oC to 40
oC. It should be kept away from foodstus and out of
the reach of children.
Health & SafetySilane BHN, like similar products is capable
of irritang
unprotected sensive skin, we therefore recommend the use of
a
suitable barrier cream and/or gloves.
LimitaonsSilane BHN is not designed to prevent leaks caused by
hydrostac
pressure. Do not apply at temperatures below 5oC.
Technical Support
Through our technical department and laboratories we can oer
a
comprehensive service to speciers and contractors. Technical
representaves are available to provide further informaon and
arrange demonstraons.
