Profile: APS Instruments Pvt. Ltd. is a manufacturer of scientific instruments. We supply instruments such as laboratory autoclaves, hot air ovens, incubators and vacuum ovens. Muffle furnace is absolutely light on weight and has ceramic wool insulation instead of brick insulation. The outer casting of this furnace is made out of double walled thick PCRC sheet, duly painted with attractive stove enamels. Heating elements are made of A-1 wire and backed by high temperature cerwool insulation, which avoids loss of energy.