1LB High Purity 99.7% Copper Powder Mesh -325 CAS # 7440-50-8 Spherical Copper Powders are manufactured by an air-atomizing process in our modern, purpose-built facilities. Careful selection and control of processing parameters and chemical composition allow us to offer tailored solutions for our customers. Heat/Thermal Paste, Faux Metal/Cold Casti- Made in USA All Products produced from pure Copper Ingot (No Scrap Metal used in Production). Usage & Application Spherical Copper Powders are used in several applications, markets and technologies. Typical uses include friction components (particularly resin-bonded types), metallurgical alloying, additive manufacturing, decorative applications (including cold casting), welding and brazing, diamond tooling, anti-fouling paints, surface engineering, etc. Perfect for Cold Casting & Inlays Heat/Thermal Paste, Faux Metal/Cold Casting ================================================================================================================ Fast Shipping Shipping: Will usually ship within same business day if paid before 12:00 PST (excludes weekends and holidays). Expected ship time may vary and is based on seller's order cut-off time. Offering combined shipping savings: Buy any of our metals including: Brass, Bronze, Copper, Stainless Steel (316L), Nickel Silver Brass and get significant savings in shipping upon Checkout. ================================================================================================================ Technical Description Air atomized: Produced from high purity copper chops and atomized by a high pressure air stream. This production technique produces a powder that is semi-spherical in shape with higher green density compared to water atomized copper powder. Semi - Spherical Copper Powders are manufactured by an air-atomizing process in our modern, purpose-built facilities. Careful selection and control of processing parameters and chemical composition allow us to offer tailored solutions for our customers. All are characterized by good reproducible batch after batch, and are available in a variety of approved packaging ================================================================================================================ Technical Specifications Technical Specifications of our Spherical Copper Powders: PRODUCT GROUP CHEMICAL COMPOSITION % APPARENT DENSITY g/cc PARTICLE SIZE µm Spherical Copper Powder Cu>99.7 5.0 +/- 0.2