... ~40PU thickness: 50mm,75mm,100mm,120mm,150mm,200mmquality: highSliding door internal polyurethane foam overall.Application industry:Food, industrial, supermarket, ... temperature control or switching power supply.Guide device: Guide rail’s material is Aluminum alloy, wheel is working on ... lining and inclined rail, when start the door,the wheel can separate door and doorframe.And when close the ...