... High speed extrusion High quality vulcanization Small,medium,large production line Pipe: diameter: 6 -114mm, wall thickness: 6 -30mmSheet: width: ... and added other accessory materials. This kind of foam pipe and sheet boasts such advantages as closed-cell structure, ... applies to solar energy and air-conditioner heat preservation pipe/sheet, insulating pipe and sheet, sealing strips, top grade handle, ...