The lower end blast units will not blow black beauty (coal slag). Even the fine grade has irregular shaped particles and you'll spend as much time clearing the nozzle as blasting (BTDT). It is the cheapest media, though ($11/100lbs). The stuff we use is called Star Blast. You can blow the medium or fine through the appropriate ceramic nozzle. It's ~$8/50lb bag...
Try one of these:
1.
Dawson-MacDonald Co., Inc. - Wilmington, MA (Serving Connecticut)
Distributor, Service Company
Dawson MacDonald Products
Company Profile: Distributors of abrasive blasting machinery & systems for surface preparation & shot peening. Offers all commercial grades of blast media in all sizes & hardnesses. Other products include dust, mist...
2.
Harrison Hager, Inc. - Clinton, MA (Serving Connecticut)
Distributor, Manufacturers' Rep
Harrison - Hager, The Particle People
Company Profile: Distributor of aluminum oxide, glass beads, garnet, plastic, zirconia, silicon carbide, crushed ceramic & glass sandblasting abrasives. Applications for lapping, wet or dry blasting. Abrasives...
Brand Names: Electro, Treibacher, Unical, San-Deb, UK Abrasives, Saint-Gobain
3.
Composition Materials Co., Inc. - Milford, CT
Distributor, Manufacturer
404 at Composition Materials
Company Profile: Manufacturer & distributor of abrasives & blasting equipment. Abrasives include walnut shells, walnut shell grits, pecan shell grits & flour, apricot shell grits & plastic. Plastic grits are...
Website Links: Distributor Locator
4.
Fastenal - Multiple Locations
Distributor, Manufacturer, Service Company
Products | Fastenal
Company Profile: ISO 9001:2000 & 9003 certified worldwide distributorof sandblast abrasives. Types include sand blast guns, sand blasters & sand blasting nozzles. Blast guns include abrasive blast machines, suction...
Brand Names: Dee-Blast, MARCO
Website Links: Online Catalog
5.
Logan Steel, Inc. - Meriden, CT
Distributor, Manufacturer, Custom Manufacturer, Service Company
Company Profile: Manufacturer & distributor of sandblasting abrasives. Steel service center supplying carbon, stainless steel & aluminum bar, tube, pipe, plate, angles, channels & sheet.
6.
New England Metal Finishing, Inc. - Windsor, CT
Distributor, Service Company
Company Profile: Distributor & Service of aluminum oxide, garnet, glass beads, silicon carbide & plastic sandblasting abrasives.
7.
New England Silica, Inc. - South Windsor, CT
Distributor, Service Company
Company Profile: Distributor of sandblasting equip., safety supplies, sands, aggregates, abrasive media, landscaping stone, concrete pavers & wall block systems & supplies.
Brand Names: Black Beauty, Boride, Bullard, Empire, Starblast, Wheelabrator/Hutson, Solidstrip, MSA
8.
Associated Chemicals & Abrasives, Inc. - Branford, CT
Distributor
Company Profile: Distributor Of Abrasives; Metal Finishing & Prefinishing Service
Brand Names: Exolon
9.
B.C.S. Co., Inc. - Thompson, CT
Distributor, Manufacturer, Service Company
Company Profile: Stocking distributor of aluminum oxide, silicone carbide & organic sandblasting abrasives.