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ALUMINUM OXIDE, 99% pure, -325 mesh, (Alumina), Al₂O₃

CAS Number
1344-28-1
Molecular Formula
Al₂O₃
Product Code
18318
Chemical Name:
Alumina
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Traceable, Tested, and Safe
Chemical Name Alumina
Molecular Formula Al₂O₃
Synonyms Aluminum oxide
Purity 99%
Physical and Chemical Properties Alpha phase

Spec Variations

Generic Product - Noah Chemicals
ALUMINUM OXIDE, 99.99% pure, 3-12 mm pieces, sapphire, (Alumina), Al₂O₃
Aluminum oxide is a white odorless crystalline powder. Water insoluble. Properties (both physical and chemical) vary according to...
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 99.8% pure, 50.8 mm pieces and smaller, (Alumina), Al₂O₃
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 99.99% pure, 1-3 mm pieces, sapphire, (Alumina) Al₂O₃
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 96% pure, gray/brown, 500 grit, (Alumina), Al₂O₃
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 96% pure, gray/brown, 1200 grit, typ 3 microns average, (Alumina), Al₂O₃
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 96% pure, gray/brown, 320 grit, (Alumina), Al₂O₃
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 99.995% pure, -80 mesh, (Alumina), Al₂O₃
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Generic Product - Noah Chemicals
ALUMINUM OXIDE, 99.99% pure, 0.3 micron average, (Alumina), Al₂O₃
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Shipping Information

Special Handling Required
This product requires special packaging and shipping due to its toxic nature.
  • Ships via ground transportation only
  • Proper hazardous material labeling included
  • Adult signature required upon delivery
  • Cannot ship to P.O. boxes
International Shipping
We ship to most countries worldwide, subject to applicable regulations and carrier availability. Additional documentation or permits may be required depending on the destination and product classification. Certain products may have route, carrier, or mode restrictions due to their hazardous nature. Specific shipping options and requirements will be confirmed at the time of quotation or order.

Frequently Asked Questions

1. How long will it take to receive a quote?

Most quotes are provided within one week. More complex requests — including custom materials, specialty specifications, or large-volume inquiries — may require one or more weeks for full review and pricing.

Noah Chemicals can offer payment terms to approved customers through our credit application process. New customers typically begin on prepaid terms until we establish a transaction history and credit profile. Once approved, formal payment terms can be extended based on credit review.

We accept company check, wire transfer, and major credit cards. We do not ship COD and cannot accept personal checks.

Noah Chemicals standard Incoterm is EXW San Antonio, Texas, unless otherwise specified.

Noah Chemicals will ship your order according to any special shipping instructions provided on your purchase order. Once your PO is received, your Account Manager will pass it to our Operations Team. An Operations Representative will then issue an official Order Confirmation and begin processing your order.

If your account requires prepayment, we will also send a Proforma Invoice along with the Order Confirmation. Processing will begin once payment is received. Customers on established payment terms will move directly into order processing.

Once your order ships, your Operations Representative will provide shipment details and tracking information. If you have any questions before or after shipment, please contact the Operations Representative listed on your Order Confirmation or Assigned Account Manager.

Yes. We support custom sourcing, custom blends, tight-spec materials, and specialty packaging requirements depending on feasibility and regulatory constraints.