Golden-Ray Quartz Radiant Process Heaters 1.Material:quartz ceramic 2.Used ... .Life: 5000-10000 hoursAppliciation: Bridge, water-based paint, aluminum alloy wheels, floor, paint; car seat, powder, barrier, powder, toolbox, ... dipping; security doors, powder, paint and so on, Supporting glass tempering, bending furnace, and ... 220/380V Golden-Ray Quartz Radiant Process Heaters