Scientech Technologies Pvt. Ltd. Offers Hot Knife, IF-370011. Scientech Technologies Pvt. Ltd. Is an ISO 9001:2000 certified company and is the manufacturer and supplier of test and measurement instruments. The Hot Knife is used to produce clean cuts through plastic fiber of all diameters and types which works as an alternate to polishing. It can also be used as wood burning tool or soldering iron. It includes 25-watt heating element plugs into a standard 110 VAC 3-prong outlet and 4-foot cord. Replacement blades of this knife Hot Knife is standard X-ACTO type.