Pentra-Sil - Lesa Pentra Floor
Type I Class A & B
Surpasses ASTM C309 Moisture Retention Requirement
Pentra-Sil (NL) HD+C is a water-based, clear, dissipating membrane-forming curing
compound, hardener and densifier that surpasses ASTM C-309 Liquid Membrane –
Forming Compounds for Curing Concrete moisture retention requirements. This single
component application forms a tougher, abrasion resistant surface compared to
traditional methods requiring post-densification (28 days later). Excellent for commercial
and industrial concrete floors that need long-term protection against heavy wear and
abuse, moisture, dirt and grime buildup. This earth friendly / bio based compound
contains no solvents and has a VOC content<100g/L making it compliant in all regions of
the United States.
This patent pending, all-in-one lithium formula is applied to fresh concrete slabs
immediately after finishing operations are complete. The unique chemistry forms a film
on the surface, restricting the amount of water that can evaporate from the concrete
while at the same time allowing the lithium silicate component to penetrate and react
with the free-lime and unhydrated cement particles to improve both the curing and the
hardening characteristics. This product also provides substantial benefits over solventbased or older water-based curing technologies because it does not need sunlight to
dissipate and will begin to breakdown within 14-28 days eliminating the cost associated
with cleaning hard-to-remove curing compounds.
Protective Concrete Treatments
for Industrial and Commercial Flooring
©2011 Dayton Superior, Convergent Concrete Technologies and Advanced Concrete Technologies, (ADVAN). All Rights Reserved. • Patented. Other patents pending. Pentra-Sil and Pentra family of Chemical Treatments are registered
trademarks of Convergent Concrete Technologies. NANO-LITHIUM and the logo are trademarks used under license from Advanced Concrete Technologies, LLC (ADVAN). The “Powered by DOW CORNING” Logo is a trademark of Dow
Corning Corporation, U.S.A.
PRODUCT DATA: Pentra-Sil (NL) HD+C
• Meets actual ASTM C-309 moisture retention
• Cost effective one step curing and hardening
• Easy auto-scrub final cleanup
• Contributes to LEED EQ credit 4.2
Meeting ASTM C-309 is important. Preventing the floor from damaging effects of spills
and stains or hard-to-remove curing compounds is important too. Our new all-in-one
does both, eliminating up to 4 steps vs. traditional post hardening methods.
Typically densifiers take too long to dry if applied at the recommend application rate,
making them difficult to apply before curing. Either they are applied at lower than
recommended application rates prior to conventional curing in order to get the curing
compound applied in time or they are applied post curing, usually after 28 days, when
extensive and expensive cleaning is required to remove curing resins and staining. A
post-curing hardener application can also require chemical stripping and cleaning,
pressure washing, or even light sand blasting to prep the floor for proper densifier
application. With Pentra-Sil (NL) HD+C, the slab is densified and protected during
construction, and the final cleanup is much easier, leaving the owner with a better
looking slab at turnover.
• Cures, Hardens and Densifies in a single application immediately after finishing.
asy to apply, ready to use liquid can be applied by either the concrete finishing
contractor or sub-contractor.
• S aves money and time reducing costly labor steps in application, cleaning and post
oes not need sunlight to dissipate and will begin to breakdown within 14-28 days
reducing costs associated with curing compound removal.
on—soluble / Non-expansive Lithium will not absorb water or cause the floor to
sweat (Surface Sweating Syndrome).
inimizes hairline cracking, dusting, spalling, and other surface defects common to
improperly cured concrete.
rovides improved resistance to chemicals, oil, grease, de-icing salts, and abrasion
• Provides an attractive sheen that enhances the natural appearance of concrete.
• Easy 1-step curing and hardening application.
• Permits easy cleanup and housekeeping ... reduces floor maintenance costs.
• Minimizes excessive shrinkage, thermal cracking, dusting and defects.
• Can be employed as an anti-carbonation coating
• Will not contribute to surface crazing or surface ASR.
• Reduces alkalinity and efflorescence
PRODUCT DATA: Pentra-Sil (NL) HD+C
Applicable Standards / Testing
ASTM C1315, Type 1 Class A
ASTM C309, Type I Class A & B
AASHTO M-148, Type 1, Class A
Moisture Retention: ASTM C-309: <0.52 kg/m2 in
72 hours (* 0.55 kg/m2 max)
• 275 Gal tote (IBC) 2558 lbs. 1,160 kgs
• 55 Gal Drum 512 lbs. 232 kgs
• 5 Gal Plastic Pail 46.5 lbs 21.0 kgs
Form:Milky white liquid, dries clear. Substrate will darken slightly and have a glossy
Solids Content: 30%
Weight/gal: 8.50 +/- 0.015 lbs./gal.
Specific Gravity: 1.11
Flash Point: N/A
VOC Content: 92 g/L*
Freeze Point: 32 F(0 C)
Depth of Surface Penetration:2-8mm
Complies with all applicable VOC of less than 100g/L standards.
Keep from Freezing. Shelf life is 12 months from date of manufacture in unopened
PRECAUTIONS / LIMITATIONS
Do not apply when ambient or concrete surface temperatures are below 40°F (4°C).
Do not apply over apply or squeegee. Surfaces treated with Pentra-Sil (NL) HD+C may
become slippery under certain conditions or until dry.
Read and follow application information and use in accordance with the Health and
Safety Information shown on the label. Refer to Material Safety Data Sheet for complete
health and safety information.
COVERAGE / TREAMENT YIELD
Applied at a rate of 400-600 ft2/gallon.
Coverage: Broomed surface.................400 sq. ft/gal. (9.82 sq. m/L). Troweled surface
...............600 sq. ft/gal. (14.73 sq. m/L).Drying Time: Depends on weather conditions and
coverage, but will generally dry in one- threes hours @ 70˚F (21˚C). Drying times may be
extended depending on application rate, temperature, humidity and project conditions.
Restrict foot traffic for at least four hours. Twelve hours is preferable
PRODUCT DATA: Pentra-Sil (NL) HD+C
Mixing (DO NOT DILUTE)
Stir thoroughly prior to use. Do not thin or dilute. Do not over agitate with compressed
air or recirculating pump. Application equipment must be clean and free of foreign
Apply Pentra-Sil (NL) HD+C immediately after all surface water has disappeared and
surface cannot be marred and after the cuts have been completed. Remove all dust and
dirt prior to applying the Pentra-Sil (NL)HD+C. Application of Pentra-Sil (NL) HD+C too
early or too late can affect the overall curing performance. Use low pressure spray, roller
or brush. Apply uniformly without puddles. Spray in a uniform coat pattern and try not
to overlap coats which can cause darkening. Recommend terminating at saw cuts
DO NOT OVER APPLY OR APPLY SECOND COATS
Apply the product at a rate of 400-600 sq.ft./gal. Use a low pressure sprayer to apply
a uniform layer on the surface. Do not puddle. Allow 1-2 days to completely dry
before traffic. The product will begin to dissipate after 1 week. After 28 days use
an autoscrubber, black pads, and water to remove any remaining cure material. If
additional shine is desired apply a coat of Pentra-Finish (Li) followed by Burnishing with
an 800-grit pad.
PRIMARY INDUSTRIAL MARKETS SERVED
Commercial & Institutional
Business office buildings
Retail & shopping centers
Sports & entertainment venues
(1-866-375-2280) to verify the most current versions or visit our website: www.
Use water to clean tools and equipment. PENTRA-SIL™ (NL) HD+C is environmentally
friendly and require no special or hazardous disposal methods.
Dispose of waste material and empty packaging in accordance with all Federal, State and
Treatments must be applied by an “Licensed Specialty Pavement Contractor for Roadway,
Runway and Bridge Deck Structures.” PENTRA-SIL™ (NL) HD+C concrete treatments
are distributed and marketed through Dayton Superior or through direct “Authorized
Applicators” from our plant and warehouse in Orem, Utah. For the name and telephone
number of your nearest PENTRA-SIL™ (NL) HD+C representative, call our customer service
department listed on the back page.
PRODUCT DATA: Pentra-Sil (NL) HD+C
PENTRA-SIL™ (NL) HD+C treatments are competitively priced. Costs will vary from region
to region. PENTRA-SIL™ (NL) HD+C representative can provide price information or assist
incontacting the nearest Dayton Superior Dealer / distributor.
Convergent Concrete Technologies, LLC., Dayton Superior along with our licensed
specialty roadway and bridge applicators offer consulting services and technical support
to DOT and municipalities during every stage of the project, from early design phase
and estimating throughout the final installation for both new and existing pavement
A staff of trained service personnel offers design assistance and technical support.
For technical assistance, contact our Technical Service Department: Technical Service
convergentconcrete. com or go to: www.convergentconcrete.com. For medical
EMAIL: [email protected] convergentconcrete.com
For medical emergencies only, call Infotrac (800) 535-5053
Outside USA (352) 323-3500
NATIONWIDE APPLICATOR NETWORK
major markets across the United States and Canada, these trained specialty roadway
contractors are well versed in our product capabilities and application procedures and
have the equipment required for roadway preparation.
Architects’ First Choice®
PRODUCT DATA: Pentra-Sil (NL) HD+C
HEALTH AND SAFETY PRECAUTIONS
PENTRA-SIL™ (NL) HD+C is an aqueous Silicon Lithium Polysilicate (NL)™ solution
that uses proprietary compounds. The treatment is alkaline and may cause eye and
skin irritation. KEEP OUT OF THE REACH OF CHILDREN. Do not take internally. Avoid
prolonged contact with skin. Avoid ingestion of material. If swallowed, do not induce
vomiting – call physician. Avoid contact with eyes. Protective clothing is recommended.
Protective goggles are recommended in case of splashing. If splashed in eyes, wash
immediately with clean water and call physician if irritatation persists. Contact areas
should be thoroughly washed with soap and water. Additional precautions, safety
information and first aid treatments are contained in the Material Safety Data Sheet.
PENTRA-SIL™ (NL) HD+C i) will etch glass and painted surfaces. Immediately wash off
with water all overspray from glass and painted surfaces. Caution: Surfaces wet with
PENTRA-SIL™ (NL) HD+C may be slippery. FOR TRANSPORTATION USE ONLY (Concrete
pavements, roadways, runways, bridge decks, marine structures and piers) Not for sale
to or resale to general public. For professional use only and must be applied by an
authorized applicator or licensed field service specialist.
LIMITED WARRANTY NOTICE Every reasonable effort is made to apply Convergent Concrete exacting standards
both in the manufacture of our products and in the information that we issue concerning these products and
their use. We warrant our products to be of good quality and will replace or, at our election, refund the purchase
price of any products proved defective. Satisfactory results depend not only upon quality products, but also upon
many factors beyond our control. Therefore, except for such replacement or refund, Convergent Concrete MAKES
NO WARRANTY OR GUARANTEE, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE OR MERCHANTABILITY, RESPECTING ITS PRODUCTS, and Convergent Concrete shall have no other
liability with respect thereto. Any claim regarding product defect must be received in writing within one (1) year
from the date of shipment. No claim will be considered without such written notice or after the specified time
interval. User shall determine the suitability of the products for the intended use and assume all risks and liability
in connection therewith. Any authorized change in the printed recommendations concerning the use of our
products must bear the signature of the Convergent Concrete Research Director. This information and all further
technical advice are based on Convergent’s present knowledge and experience. However, Convergent assumes
no liability for providing such information and advice including the extent to which such information and advice
may relate to existing third party intellectual property rights, especially patent rights. In particular, Convergent
disclaims all WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF FITNESS
FOR A PARTICULAR PURPOSE OR MERCHANTABILITY. CONVERGENT CONCRETE SHALL NOT BE RESPONSIBLE FOR
CONSEQUENTIAL, INDIRECT OR INCIDENTAL DAMAGES (INCLUDING LOSS OF PROFITS) OF ANY KIND. Convergent
Concrete reserves the right to make any changes according to technological progress or further developments. It
is the customer’s (Authorized Applicator) responsibility and obligation to carefully inspect and test any incoming
goods. Performance of the product(s) described herein should be verified by testing and carried out only by
qualified experts. It is the sole responsibility of the customer to carry out and arrange for any such testing.
Reference to trade names used by other companies is neither a recommendation, nor an endorsement of any
product and does not imply that similar products could not be used. CONVERGENT CONCRETE TECHNOLOGIES,
LLC reserves the right to change specifications referred to in this literature at any time, without prior notice.
The information contained herein is, to our knowledge, true and accurate. While this material is furnished in
good faith, no warranty expressed or implied, of merchantability, completeness, fitness or otherwise is made.
This material is offered only for your consideration, investigation and verification, and Convergent Concrete
Technologies, LLC. disclaims any liability incurred from the use thereof and shall not in any event, be liable for
any special, incidental or consequential damages arising from such use. This information is not intended to be
all inclusive and the manner and conditions of use and handling of any material may involve other or additional
considerations specific to the use or user. Nothing herein should be construed as permission or recommendation to
infringe any patent or as to any specific use. No agent, representative or employee of this company is authorized
to vary any term of this notice