SILENCURE
ACRYLIC CURING & SEALING COMPOUND
CONTAINING SILANE
SPECIALTY CONSTRUCTION PRODUCTS
P R O D U C T D A T A
DESCRIPTION
Silencure is a solvent-based, pure acrylic co-
1. Cure the fresh concrete by water curing for 7
polymer curing and sealing compound for con-
days or the application of a film forming curing
crete. When applied to fresh concrete, Silencure
compound.
produces a non yellowing, clear, continuous film,
which effectively cures fresh concrete and pro- 2. If water curing, return after a minimum of 28 days
vide a tough protective acrylic film to the surface. to clean the concrete of any dirt, grease etc. If
curing with a curing compound, strip the cure
Silencure is unique because in addition to being
with chemicals and high pressure water
an effective film forming curing and sealing com-
pound, it contains silane. The silane penetrates 3. After the concrete thoroughly dries, apply a
the fresh concrete and provides long term protec- penetrating silane or siloxane
tion for the concrete after the film has dissipated.
Silencure provides effective film forming curing /
Unlike other silane or siloxane treatments, sealing properties and efficient long term silane
Silencure can be applied to fresh concrete to protection in one simple application
cure to ASTM C-309 standards. Unlike other
APPLICABLE STANDARDS
curing compounds, Silencure penetrates into
鈥? NCHRP 244, Series II & IV
the pores of the concrete and forms a hydropho-
bic gel that meets the chloride ion restrictions of
鈥? ASTM C-309, Type I, ID & II, Class A & B,
NCHRP 244 to reduce the penetration of water,
salts and deicing chemicals. 鈥? AASHTO M-148, Type 1 & 1D, Class A & B
USES TECHNICAL DATA
鈥? Use on exterior fresh concrete to cure the Drying Time @ 70掳F (21掳C) with 50% R.H.
concrete. Curing minimizes crazing and shrink-
Dry to Touch 1 hour
age cracks. Silencure forms a film that holds
Light Traffic 8 hours
moisture in the fresh concrete to help the ce-
Heavy Traffic 12 hours
ment to fully hydrate. This process helps to
maximize the strength and durability of the V.O.C. content: 680 gm/L
concrete.
Flash Point: 105掳 F. 40掳C.
鈥? Provide long term protection to exterior con-
crete from the damaging effects of water and ESTIMATING GUIDE
salt penetration. The silane in Silencure re- Application rate
duces spalling and damage from freeze thaw In order to meet the specifications of NCHRP 244 for
cycles more effectively and for a much longer chloride protection as well as ASTM C-309 and
time than normal film forming cure & seal prod- AASHTO M-148, Silnecure is to be applied to fresh
ucts. concrete at the rate of 150 Ft.2/gal (4 M2/L)
ADVANTAGES
鈥? Silencure performs in one step what requires PACKAGING
several steps for other products. To duplicate Silencure is packaged in 55 U.S. gallon drums and
the performance of Silencure with standard 5 gallon pails. 36 pails are shipped on a pallet.
products, the following steps are required:
Revised March 05
ChemMasters
An American Owned & Operated Company
300 EDWARDS STREET 鈥? MADISON, OHIO 44057-3112
(440) 428-2105 鈥? FAX (440) 428-7091 鈥? ORDER LINE: (800) 486-7866
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APPLICATION CAUTIONS
MIXING: Do not dilute. Silencure is packaged ready COMBUSTIBLE LIQUID: Keep away from heat or open
to use and only requires stirring or agitation prior flame. Use with adequate ventilation. May cause
to use. Thoroughly mix Silencure before apply- skin, eye and respiratory tract irritation. Keep out
ing or loading into application equipment. of reach of children.
APPLICATION: Protect people, vehicles, property, All label precautions and MSDS must be fully
plants, windows and all non masonry surfaces understood before using this product.
from product splash, residue, fumes and wind
Adjoining glass, metal or painted surfaces should
drift. Apply Silencure within three hours after the
be protected against spray or splash with
concrete has received final finishing and all bleed
Silencure. Silencure may etch or damage these
water has dissipated. Do not apply over free
surfaces. Inadvertent splashes should be re-
standing water. Apply with a short nap, solvent
moved with mineral spirits before they dry on the
resistant roller or spray equipment. If spraying,
surface.
use a low pressure, solvent resistant airless
sprayer equipped with a fan nozzle (minimum LIMITATIONS
orifice of .030-.032) or a hand pressurized sprayer 鈥? Do not use on interior surfaces or on hard steel
with a "Cats Eye" nozzle (minimum orifice of .010- trowel finished floors. The silane in Silencure
.012). Ensure that spray equipment is clean and will not penetrate hard, smooth concrete and,
dry before adding material. The optimum spray as a result, the sealer will not properly bond.
pattern is an 8-12 inch fan. Hold sprayer tip 6-8
鈥? Do not use Silencure on areas to receive floor
inches from the surface of the concrete. Apply
coverings including carpet, tiles over overlays
uniformly leaving no pinholes or gaps. Do not
as the silane in Silencure may prevent bonding
allow the material to puddle.
of adhesives.
When using a hand pressurized sprayer it is
鈥? Do not use as a bond breaker for tilt wall
important to maintain as high an air pressure as
construction.
possible to aid in spraying.
鈥? Silencure treated surfaces may be stained with
CURING: When applying Silencure to fresh con-
oils or greases that are not cleaned quickly.
crete, apply after all bleed water has dissipated
and application will not mar surface.
鈥? The film formed by Silencure will soften if
subjected to spills of gasoline or other sol-
FORMED CONCRETE WALLS: If walls are not to receive
vents. Solvent spills must be cleaned quickly
further treatment, apply immediately after strip-
to prevent softening of the membrane.
ping forms or following rubbing operations.
鈥? Condition material to a minimum of 70掳F (21掳C)
OLDER CONCRETE: Clean thoroughly with detergent
if material is to be applied with ambient tem-
and high pressure water, removing any dirt, dust,
peratures below 50oF (10oC) in order to im-
curing or sealing membranes, paints, oil, grease
prove sprayability.
or other contaminants that may prevent adhesion
and penetration of Silencure.
鈥? Quality curing or sealing compounds may
darken or highlight the subtle color variations
CLEANUP
naturally present in concrete.
Tools and equipment used in applying Silencure
should be cleaned with Polyseal Solvent, min-
eral spirits or xylene before the Silencure dries.
STORAGE
Store tightly closed containers away from direct
sunlight and sources of heat or flame. Shelf life is
one year from date of manufacture
This Product is Formulated and Labeled for Industrial and Commercial Use Only
FOR BEST RESULTS AND SAFEST USAGE, USER IS SPECIFICALLY DIRECTED TO CONSULT
THE CURRENT MATERIAL SAFETY DATA SHEET AND PACKAGE LABEL FOR THIS PRODUCT
We warrant our products to meet our published specifications and to be free from defects in materials and workmanship to the acceptable quality levels defined in these specifications. If
acceptable quality levels are not specified, the acceptable quality levels will be those normally supplied by us for the product. We make no guarantee of the results to be obtained from the use of
our products. The determination as to the adaptability of any of our products to the specific needs of the Buyer is solely Buyer's prerogative and responsibility. We are glad to offer suggestions on
the use of our products. Nevertheless, there are no warranties given except such expresses warranties offered in connection with the sale of a particular product. Our liability shall be limited to
replacement of, or refund of an amount not to exceed the purchase price attributed to, the goods as to which such claim is made. Our selection of one of these alternatives shall be Buyer's
exclusive remedy. IN NO CASE SHALL WE BE LIABLE FOR CONSEQUENTIAL OR SPECIAL DAMAGES, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
THE FOREGOING WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES, GUARANTEES, CO-CONDITIONS AND REPRESENTATIONS, EITHER EXPRESSED OR IMPLIED, WHETHER
ARISING UNDER ANY STATUTE, COMMON LAW, USAGE OR TRADE, COURSE OF DEALING OR OTHERWISE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
漏2001ChemMasters Printed in U.S.A.
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