HWS: High Wear Additive
Two grades of the Aluminum oxide are available. The 325 mesh is used for increasing wear resistance while the 60 mesh is incorporated to increase slip resistance.
RECOMMENDED FOR: Recommended for use in our NP321 and NP322 polyurethane line of products.
SOLIDS BY WEIGHT: 100%
VOLATILE ORGANIC CONTENT: Zero
COLOR: White/off white crystalline granules
PACKAGING INFORMATION Packaging size varies from a pint to a 5 gallon pail. Normal pint packaging weight is 1.6 pounds
MIX RATIO: Generally, the product is incorporated into the urethane products at a ratio of 1.60# aggregate for every gallon of mixed liquid
SHELF LIFE: Indefinite
GENERAL CHARACTERISTICS APPARENT POROSITY: 3% - 5%
REFRACTIVE INDEX: 1.70 – 1.80
HARDNESS: Mohs hardness of 9
WATER ABSORPTION: Approximately 1 percent
MELTING TEMPERATURE: Greater than 2,000 degrees Centigrade
BULK SPECIFIC GRAVITY: 3.50 – 3.60 (typical) (true density of 3.9-4.0)
DOT CLASSIFICATION: not regulated
For Safety Data Sheet, Please Download SDS
For Technical Data Sheet, Please Download TDS
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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.
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.