Presto Stantest Private Limited offers Muffle Furnace for checking ash content of polymers. Presto Stantest Private Limited is an ISO 9001: 2000 certified company. Muffle Furnace is digitally insulated with imported insulation and fire bricks. The temperature range is 900 degree Centigrade with a digital temperature controller. The size of the machine is 4inches x 4inches x 9inches and its approximate rating is 2.5 KW.