posits from a conventional zinc plating electrolyte. Deposits are also uni- formly bright, accept any type of chro- mate film, and do not tend to yellow after clear chromating. Special materi- als are not needed; therefore, the pro- cess can be used with conventional chromates.

Circle 437 on the reader service card

Power Supplies TecNu Inc. Arlington Heights, ///.

TecNu's line of DC and Pulse Power supplies contain state-of-the-art switch-mode power circuitry and mi- croprocessor control circuitry housed in a fully sealed, operator friendly en- vironmental closure.

Circle 438 on the reader service card

Acid Recovery Process Tetra Technologies The Woodland, Texas

Tetra's Higgins Loop countercurrent ion exchange acid recovery system sep- arates, recovers, and reconcentrates over 90% of acid and recovers valuable met- als in a wide range of process applica- tions. The Higgins Loop works on a continuous part of a large or small main- stream closed-loop process. No chemi- cals are used---only water and 10 to 50 hp of pump pressure are required to sep- arate acid from the metal salt and water.

Circle 439 on the reader service card

Spray Station Thierica Equipment Co. Grand Rapids, Mich.

Thierica's Reciprocating Spray Sta- tion is designed to provide accurate paint coverage of masked parts up to 60 in. long. Spray gun options include reciprocating, rotating, or both with single- or double-stroke cycle. The guns can be easily repositioned for ef- ficient part changeovers. The station can paint one long part or several shorter ones each cycle.

Circle 440 on the reader service card

Grinding Belt 3M Co. St Paul, Minn.

The 3M 907E Regalloy Resin Bond Cloth Belt offers 100% Cubitron ma- terial on a JE backing. Cubitron ce- ramic aluminum oxide offers smooth, long-lasting performance, greater pro-

Circle 138 on reader information card

ductivity, and faster cut rates. The belt can grind up to three times as much metal as a regular aluminum oxide belt, produce less loading, and a better finish with a finer scratch pattern.

Circle 441 on the reader service card

Dust Collector Tri-Mer Corp. Owosso, Mich.

Tri-Mer Corp. has introduced a mod- ular dust collection assembly for auto- motive and other large-scale mechanical finishing operations. The assembly in- cludes a high-efficiency dust collector, which capture 99%+ of fines two mi-

crons and larger, an integral blower, and OSHA-compliant platforms for easy op- erator access when belts and bearings require service.

Circle 442 on the reader service card

Carbon Filters U.S. Filter Corp. Rockford, IlL

U.S. Filter's GI Series carbon filters range in size from 30- to 144-in. diam- eter with flows up to 1,105 gpm. The GI Series filters are a highly efficient means of removing chlorine and or- ganics from water.

Circle 443 on the reader service card

METAL FINISHING • JUNE 1998 147