... -600W400-600mm10mmXD-QB300W-600W400-600mm13mm Physical Properties of electrical milk heater OpalescenceSiO2Heat ResistanceThe opaque quartz tube transmitting ... 50±0.30±3.0 The advantage of quartz electrical milk heater as bellow:1. Infrared radiation in ... infrared heater, cooking, oven, stove, baker, painting dryer, drying apparatus, dyeing, print, printer, copy machine, projector, sterilizing device, ...