SELLERSVILLE, Pa.—The MuShield Co. of Londonderry, New Hampshire, commissioned Solar Manufacturing to design and build its first-ever vacuum furnace.

MuShield ( is expanding with additional space that will house the new Solar furnace. The company aims to better serve the magnetic shielding industry by providing material designed to protect sensitive electronics from magnetic fields.

“MuShield was already aware of our excellent reputation in the industry, and they were impressed with our facility when they visited earlier this year,” said Solar Manufacturing Northeast Regional Sales Manager Jason Davidson, in a company release. “They were also impressed with results of testing performed for them by Solar Atmospheres, so we’re pleased they have placed confidence in Solar Manufacturing to provide their first vacuum furnace.”

The furnace, built with a SolarVac® Polaris control system and fully compliant to AMS2750E pyrometric specification, is designed to accommodate loads up to 36 inches wide by 36 inches high by 72 inches deep. The maximum weight is 5,000 pounds. The Solar furnace operates at a vacuum level of 10-5 Torr, with the capability of maximum temperatures up to 2,400° F, and features an external quench system designed for pressures up to two bar.

Solar Manufacturing ( designs and manufactures a wide variety of vacuum heat treating, sintering, and brazing furnaces.

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