Mine, process and market Acti-Gel 208, a high-purity, self-dispersing magnesium aluminosilicate that is used as a thixotrope and suspending agent for glazes and unshaped refractories as well as an extrusion aid and binder for catalyst supports and ceramic parts.

Produce custom co-fire HTCC, AIN and LTCC microelectronic packaging, ceramic injection molded products and etched metal products for medical, military and high rel industrial applications. Microware modeling and custom design center. U.S.-based company is ISO 9001:2000 certified; DFARS 252-225-7014 Alt compliant; RoHS Directive compliant.

Manufacture zinc and copper oxides for colorants and copper granules for iron spot brick and tile. Supply cupric oxide for thermistors, ferrites and conductors as well as metallic copper powders for thick-film electronic production.

Subsidiary of Baikowski Intl Corp. Produce Bayer-derived intermediate and high-purity (99.8-99.99%) calcined alpha- and gamma-alumina for use in the following markets: corrosion-resistant ceramics, structural ceramics, wear-resistant ceramics, electronic ceramics, bioceramics, coatings, polishing/abrasives, magnetic media, glass applications and lighting.

Mine and process clays at Andersonville, Ga; produce fused silica at Greeneville, Tenn; process bauxite, brown-fused alumina and SiC at Newell, W.Va.; mine and process in China. Supply refractory and investment-casting industries. Also supply raw materials and fillers for the polymer, paint, coatings, ceramics and abrasive industries.

Manufacture black SiC, green SiC and boron carbide. Also make SiC grains and water-classified fine powders to ANSI and FEPA F sizes, submicron, as well as refractory and custom splits. Applications include ceramics, abrasives, wire-sawing, refractory, chemical, nuclear, wear-resistant, polishing, compound, blasting and lapidary industries. Warehouses in Los Angeles and Houston.

Elkem products that may be of interest in the advanced ceramics field are the Silgrain line of silicon powders. Silicon powder is often used as a raw material for manufacturing silicon nitride and silicon carbide ceramics. Silgrain is available with different purity levels from 97.8 to 99.7% Si. It can be jet-milled at the production plant to a wide range of particle sizes. Data sheets and size distribution curves with typical values on D10, D50 and D90 for jet-milled products will be sent upon request.

Manufacture and sell QPAC polyalkyline carbonate worldwide. QPAC features excellent green strength and processibility and extremely clean burnout in a variety of atmospheres for demanding applications. Product is available in solids, solutions and water-based emulsions.

International group of companies with 13 production sites in Europe, North America and Far East. Produce advanced ceramic and refractory metal powder and special metals. Processes these materials into mill products and fabricated parts.

Market nondestructive testing equipment (DEPA) for elastic properties of materials. DEPA is useful in both research and production environments. Market diamond tools, including grinding wheels, cutters, dressers, drills and hones, to these industries. Market boron additives for the refractory industry to stop aluminum penetration.