... Excellent thermal 1.High thermal shock resistance and high thermal conductivity 2.ISO Approved,High QualityJINYU Silicon nitride thermocouple protection ... aluminum for its anti-fusion.Silicon nitride ceramics possess excellent properties of high thermal stability, antioxidant capacity ... oxidation between 1200~1600°C. Silicon nitride can not be infiltrated and corroded by aluminium, lead, tin, silver, ...