NP521: Water Based Urethane, Gloss

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NP521: Water Based Urethane, Gloss

NP521 is a two component high-gloss aliphatic polyurethane water based floor sealer that exhibits excellent characteristics for abrasion resistance, chemical resistance, flexibility, weathering, and UV stability.

RECOMMENDED FOR: Recommended for auto service centers, warehouses, computer rooms, laboratories, aircraft hangers, cafeterias, and chemical exposure areas.

SOLIDS BY WEIGHT: Mixed= 42%

SOLIDS BY VOLUME: Mixed= 38%

VOLATILE ORGANIC CONTENT: 306 grams/liter

STANDARD COLORS: Clear.

RECOMMENDED FILM THICKNESS: 3-5 mils per coat wet thickness (Do not apply thicker)

COVERAGE PER GALLON: 320 to 500 square feet @ 3-5 mils wet thickness

PACKAGING INFORMATION: 3 gallon and 15 gallon kits 3 gal kit= 2 gallons part A and 1 gallon part B (volumes approximate) 15 gallon kit = 10 gallons part A and 5 gallons part B (volumes approximate)

MIX RATIO: 2 parts A to 1 part B by volume

SHELF LIFE: 1/2 year in unopened containers

FINISH CHARACTERISTICS: High gloss (>70 at 60 degrees @ glossmeter)

IMPACT RESISTANCE: Gardner Impact, direct & reverse=120 in lb (passed)

ABRASION RESISTANCE: Taber abrasor CS-17 calibrase wheel with 1000 gram total load and 500 cycles= 21.0 mg loss

ADHESION: >300 psi @ elcometer (concrete failure, no delamination) over suitable primer

VISCOSITY: Mixed= 500-1000 cps (typical)

FLEXIBILITY: No cracks on a 1/8” mandrel

DOT CLASSIFICATIONS: Part A “Not regulated” Part B “Not regulated”

PRIMER: Recommend NP143/144, NP154, NP015 or NP707LVP or an intermediate coat of NP707 or 137M

TOPCOAT: None recommended

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.

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