T/CWIA 1004-2019 Warm-sensitiveerasable neutralball pen and pen refill

Scope

Scope: This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for temperature-sensitive erasable neutral ballpoint pens and pen cores. This standard applies to temperature-sensitive erasable neutral ballpoint pens and pen cores that can be erased after writing. Main technical content: The technical requirements are mainly divided into three parts: Part 1 is the physical and chemical performance of temperature-sensitive erasable neutral ballpoint pens and pen cores, including initial writing performance, writing performance, temperature sensitivity, erasability, penetration, dryness, copyability, water resistance, intermittent writing, and storage, totaling 9 items; Part 2 is the appearance and structural requirements of temperature-sensitive erasable neutral ballpoint pens and pen cores, totaling 6 items; Part 3 is safety performance, including requirements for the content of migratable elements, pen sleeve safety, and formaldehyde content.

Development Information

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