... The heating type:Japan import,Adding magnesium ,All stainless steel,explosion-proof, No carbon heating tube.2.8 Electrical parts: Schneider or ... pipe ,the thickness is 6mm2.22 Heat insulating layer thickness :10~20 mm(Aluminum silicate ,heat insulation,thermal insulation)2.23 ... environment. XP series for heater control to achieve more than 10 years of lifetime(compared to contactor's average lifetime of ...