Powder for microwave-absorbing heating element, microwave-absorbing heating element using the powder, and production method thereof

摘要

PROBLEM TO BE SOLVED: To provide a powder for a microwave absorption heating element which is a material having a white color tone and generates heat by efficiently absorbing a microwave.SOLUTION: A method includes a ZnO-SiO-based composite powder manufacturing process of obtaining a ZnO-SiO-based composite powder and a mixing process of preparing the ZnO-SiO-based composite powder obtained by the ZnO-SiO-based composite powder manufacturing process with 70 mass% or more and less than 100 mass% and mixing at least one kind selected from indium oxide, tin oxide and indium tin oxide (ITO) as the balance to obtain a powder for a microwave absorption heating element.