NP831: Flexible Joint Sealant
NP831 flexible joint sealant is a two component 100% solids polymer system designed for applications where a resilient joint material is needed. The two component material (standard) is supplied with a gray component and a clear component.
RECOMMENDED FOR: Recommended for concrete/cement expansion joints in general industry.
NOT RECOMMENDED FOR: Not recommended for applications for all acids and chemicals
SOLIDS BY WEIGHT: 100%
SOLIDS BY VOLUME: 100%
VOLATILE ORGANIC CONTENT: Zero pounds per gallon
STANDARD COLORS: Medium Gray (mixed) Part A is gray and Part B is clear.
RECOMMENDED THICKNESS: 1/2” to 1 1/2”
COVERAGE: 2 gallon kit @ 1/2” by 1.0” yields 74-78 lineal feet
PACKAGING CUBIC FEET
2 gallon kit 0.265 (approx)
10 gallon kit 1.325 (approx)
MIX RATIO: 1 to 1 by volume
SHELF LIFE: 6 months in unopened containers properly stored at normal room temperature. (mix before use)
HARDNESS: 40-45 Shore D
COMPRESSIVE STRENGTH: 2,300 psi
TENSILE STRENGTH: 1,984 psi
ELONGATION AT BREAK: 100%
IMPACT RESISTANCE: Excellent
ABRASION RESISTANCE: 18.2 mg loss with a 1000 gram total load at 1000 revolutions with a CS17 wheel
ADHESION: 410 psi (elcometer) – no delamination/concrete failure
VISCOSITY: Mixed= 1,200 cps – 1,400 cps (typical)
DOT CLASSIFICATIONS: Part A “not regulated” Part B “not regulated”
PRIMER: None required
TOPCOAT: None required. Many epoxies and urethane are compatible
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.
