Standard Rectangular Hot Plate Item #: HP 1818 Wenesco Hot Plates are useful for sealing, pre - heating, re - flow, and processing under controlled temperature conditions. Anodized aluminum plates provide efficient and ev......Standard Rectangular Hot Plate Item #: HP 1818 Wenesco Hot Plates are useful for sealing, pre - heating, re - flow, and processing under controlled temperature conditions. Anodized aluminum plates provide efficient and even heat transfer In a temperature range 70 to 550 ºF (21 - 287 ºC). All plates will support at least 150 pounds.