What’s New – Bench & Lab

UltraDose Jewelry Cleaner Powder is now available in a 10-lb. size. Developed for use in ultrasonic machines, UltraDose restores the sparkle and brilliance to diamonds, gold, precious metals, and gemstones. Packaged for high-volume users, the new 10-lb. size can make up to 160 gallons of cleaner. L&R Manufacturing Co., 577 Elm St., P.O. Box 607, Kearny, NJ 07032-0607; (201) 991-5330. The LaserGold Model JL 15 Jewelry Laser for precious metal chain manufacturing from Gold International Machinery Corp. enables automatic welding of chain links directly on the chain-making machine with minimal heat stress on the parts welded, no lost material, and no joining metal, according to the company. Among the chains that can be produced are cable and curb chains (single, double, triple, etc.), rope chains, and Singapore pendant chains, in gold, silver, and platinum wire up to 0.30 mm diameter a
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