This standard specifies the product classification, technical requirements, test methods, inspection rules and packaging of silicon carbide rods. This standard applies to silicon carbide rods with a surface temperature not higher than 1500°C.
JB/T 3890-2008 Referenced Document
GB/T 191-2000 Packaging-Pictorial marking for handling of goods
GB/T 2997-2000 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products
GB/T 3045-2003 Abrasive grains--Chemical analysis of silicon carbide
JB/T 3890-2008 history
2018JB/T 3890-2017 Silicon carbide special products silicon carbide rod
2008JB/T 3890-2008 Special products of silicon carbide. Silicon carbide heating elements