COATING AGENT FOR SINTERING JIG AND SINTERING JIG

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive firing jig excellent in heat shock resistance, and durability. SOLUTION: The coating agent for firing jig of cordierite in which a ratio of total weight of yttria and calcia contained in zirconia is in a range of 2-15%, a ratio of weight of calcia to total weight of yttria and calcia is 10-90%. The firing jig is composed of a cordierite substrate and coating layers having the composition.