Small heaps of fine copper, bronze, brass, iron and pewter metal powder on a blackened steel bench

-325 Mesh

Metal Powder -325 Mesh for Cold Casting and Industrial Use

Available in 1 lb bags, 5 lb bags, and 45 lb pails.

Shop by MetalRequest a Bulk Quote

$14 flat rate on 1-44 lbs.Ships within 24 hours Mon-Thu.Lower 48 states only.

Choose Your Metal

Shop by Metal

Select your preferred metal to see available sizes and pricing details.
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Copper Powder -325 Mesh (1 lb Bag) 1 lb Bag $22.50 Copper Powder -325 Mesh (5 lb Bag) 5 lb Bag $112.00$22.40 per lb Copper Powder -325 Mesh (45 lb Pail) 45 lb Pail $924.00$20.53 per lb

Package Options

1 lb, 5 lb, or 45 lb

Each metal is available in 1 lb, 5 lb, or 45 lb packages. Prices decrease with larger sizes; for example, copper is $22.50 per lb for 1 lb, $22.40 per lb for 5 lb bags, and $20.53 per lb for 45 lb pails.

Shop All Powders

Shipping Details

Flat Rates, Fast Dispatch

Shipping costs and rules are clearly defined before checkout.
$14Flat rate for 1-44 lbs of small bags.
$45Shipping per 45 lb pail. Pail and 1 lb bag ship for $59.
24 hrShips within 24 hours, Monday-Thursday. Excludes Friday/weekends/holidays.
Lower 48Shipping via UPS/USPS. Not available to Alaska or Hawaii.

Finished Pieces

Finished With Our Powders

These images showcase surfaces finished with our metal powders: cold cast, burnished, polished, or patinated for unique effects.
Flat panel with raised dark bronze floral scroll pattern
Wall panel with angular wave relief in brushed bronze
Polished bronze lion head corbel
Two engraved silver-finish skulls on a black background
Ornate box with carved leaf corners in bronze-silver finish
Curved panel with floral relief in dark bronze finish
Resin tinted with bronze powder beside a silicone mold and a small scoop

Versatile Applications

Perfect for Inlays, Cold Casting, and Industrial Use

Cold casting involves mixing metal powders with resin, creating detailed pieces like inlays. The consistent -325 mesh grade ensures uniformity across batches. These powders can also be used for resin-mixed sprayed finishes, polished or patinated surfaces, and industrial applications.

  • All metals are -325 mesh grade.
  • Consistency of Products from Batch to Batch
View CofA and SDS
220 lbs Entry bulk quantity
500 lbs Standard bulk order
5,000 lbs+ Container scale quantity

Bulk Orders

Need 220 lbs or More?

For large-scale projects, we offer quotes for quantities from 220 lbs to over 5,000 lbs. Our team manages the coordination of freight and delivery.

Request a Bulk Quote

Quality Assurance

Certificates and Safety Data

Each metal comes with a Certificate of Analysis and Safety Data Sheet for pre-purchase review.
View CofA and SDS

  • Certificate of Analysis

    Confirms the metal's chemical composition and properties.

  • Safety Data Sheet

    Details handling, storage, and safety information.

  • Batch Consistency

    Consistent -325 mesh grade across all orders.

Polished silver-finish cattle skull with long horns

Founded in 2002

Founded in 2002

Metal Powders USA has been providing high-quality -325 mesh atomized metal powders to artisans and industrial clients since 2002. Our powders are perfect for inlays, cold casting, and industrial applications and can be shipped anywhere in the lower 48 states. Our technical staff is available to answer questions about the use and compatibility of our powders, ensuring you have the right material for your project needs.

About Metal Powders USA