This standard specifies the classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of neutral ink. This standard applies to neutral inks for general writing and document writing (hereinafter referred to as "inks"). It does not apply to special neutral inks with functions such as erasable, color-changing, pastel, and metallic colors.
QB/T 4434-2012 Referenced Document
GB 21027 Request in common use of security for student's articles*, 2020-07-23 Update
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6680-2003 General rules for sampling liquid chemical products