... 50mm,75mm,100mm,120mm,150mm,200mm quality: highSliding door internal polyurethane foam overall.Application industry:Food, industrial, ... warehousing, pharmaceutical, retail.Optional accessories:Electrical heating glass window film, because used electric heating technology, glass is not ... -term working temperature is -55°C~+135°C.door board:Using polyurethane foam with panel overall, exterior level off ...