Benjamin Arnold and Peter Gall have joined Plasticolors Inc. as Technical Service representatives. Arnold was formerly an operations engineer and also has held laboratory and research positions, the company said. Gall has held technical-service, research and development positions at a specialty chemicals company.
Silberline Manufacturing Co. Inc. has promoted Joseph Balascik to director of Marketing. Balascik joined the company 19 years ago and was most recently director, Quality Systems. Silberline also named Sheila Setcavage manager, Quality Systems. She was formerly senior secretary, Quality Systems.