NP449SF: Polyaspartic Coating
NP449SF is a two component 90% solids polyaspartic aliphatic polyaspartic sealer. This material can be used as the base coat and the topcoat over paint chip decorative broadcasts or colored sand broadcasts to provide an infinite array of color schemes or patterns. NP449SF has excellent chemical resistance, hardness, abrasion resistance, UV stability and has a good clear gardner color. The formulation has a longer working time, however, this product still has a quick tack free time for foot traffic.
RECOMMENDED FOR: Recommended for areas where a medium build broadcasted floor is desired and installation downtime is very limited. This material can also be applied over a broadcasted or troweled system as a thin to medium build sealer.
SOLIDS BY WEIGHT: 90% (+/- 2%)
SOLIDS BY VOLUME: 88% (+/-2%)
VOLATILE ORGANIC CONTENT: Less than 100 grams per liter
COLORS AVAILABLE: Clear – gardner color 1-2
RECOMMENDED FILM THICKNESS: .10-15 mils. (when applying directly to concrete, precautions should be taken to properly prepare the substrate and the moisture content of the substrate should be tested. Do not apply to damp surfaces.)
COVERAGE PER GALLON: 107 – 160 square feet per gallon
PACKAGING INFORMATION: 2.5 gallon kit (other special kit sizes are available upon request.(packaging information is approximate net volume)
MIX RATIO: 12.70 pounds part A to 9.2 pounds part B. The mix ratio is approximately 1.5 gallons part A to 1 gallon part B.
SHELF LIFE: 6 months in unopened containers
FINISH CHARACTERISTICS: Gloss (>70 at 60 degrees @ glossmeter)
COMPRESSIVE STRENGTH: 11,500 psi @ ASTM D695
TENSILE STRENGTH: 3,800 psi @ ASTM D638
ULTIMATE ELONGATION: 2.8%
HARDNESS: Shore D= 30
ABRASION RESISTANCE: Taber abraser CS-17 calibrase wheel with 1000 gram total load and 500 cycles= 20 mg loss
ADHESION: 340 psi @ elcometer (concrete failure, no delamination, applied to shotblasted concrete)
VISCOSITY: Mixed= <1,000 cps (typical)
DOT CLASSIFICATIONS: Part A “UN1993, FLAMMABLE LIQUID N.O.S. (CONTAINS Xylene), 3, PG III Part B “UN1993, FLAMMABLE LIQUID N.O.S. (CONTAINS Xylene), 3, PG III
PRIMER: Recommend a suitable epoxy broadcasted base system and/or adhesion testing prior to use.
TOPCOAT: Optional, not required.
For Safety Data Sheet, Please Download SDS
For Technical Data Sheet, Please Download TDS
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Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)...
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.