Pyro Minerals sounds like a source (new to me) worth knowing about. Thanks, ESC. Company Profile P y r o M i n e r a l s I n c. is a respected name in the Foundry supply industry.Established in 1978, we are among the leading suppliers of quality foundry and refractory products. Our product line consists of: Binders, Sands, Refractory Coatings, Riser Sleeves, Crucibles, Abrasives, Ferro Alloys, Filters, Graphite, Brass & Bronze Alloys, Aluminum Alloys, and a complete line of refractory products. We represent manufacturers of quality products to the metal casting industry and provide complete customer service to all of our patrons. Contact Information Telephone: 510- 839-3900 Fax : 510-839-3090 E-Mail: sales@pyromineralsinc.com Postal Address: 2510 Wood Street, Oakland, CA. 94607