This document specifies the terms and definitions, markings, technical requirements, test methods, inspection rules, packaging, transportation and storage of high-purity graphite rods for arc fused silica sand produced by needle coke. This document is applicable to high-purity graphite rods for arc-method fused silica sand produced from needle coke as raw material.
T/HEBQA 003-2023 history
2023T/HEBQA 003-2023 Technical specifications for the production of high-purity graphite rods for arc fused silica sand