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审查会召开期间对《铸造用锆砂、粉》标准提出了12条审查意见。为体现《铸造用锆砂》标准对行业发展的指导性和符合性,经专家组一致通过,将原JB/T9223-1999《铸造用锆砂》改名为《铸造用锆砂、粉》。本标准规定了铸造用锆砂、粉的术语和定义,分级、分组及牌号,技术要求,试验方法,检验规则以及包装、标志、运输、贮存和质量证明书。本标准适用于铸造生产造型(芯)用锆砂、粉。
During the review meeting, 12 review opinions were put forward on the standard of “zirconium sand for casting, powder”. In order to reflect the guideline and conformity of “Zirconium for foundry” to the development of the industry, the original group JB / T9223-1999 “Zirconium for founding” was renamed “Zircon sand for foundry, powder” by the expert group. This standard specifies the zirconium sand casting, powder terms and definitions, grading, grouping and grades, technical requirements, test methods, inspection rules and packaging, marking, transportation, storage and quality certificates. This standard applies to casting production modeling (core) with zircon sand, powder.