T/CWIA 1003-2019 Warm-sensitive erasable watercolor pen

Scope

Scope: This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for temperature-sensitive erasable watercolor pens. This standard applies to temperature-sensitive erasable watercolor pens whose writing traces can be erased after being wiped; Main technical content: The technical requirements are mainly divided into three parts. The first part is the performance requirements of temperature-sensitive erasable watercolor pens, including seven items such as initial writing performance, writing performance, erasability, temperature sensitivity, dryness, intermittent writing, and storage; the second part is the structure and appearance of temperature-sensitive erasable watercolor pens, including five items such as impact resistance, pen sleeve tensile strength, pen tip sliding force, pen tip strength, and appearance; the third part is safety performance, including the content of migratable elements and safety requirements for pen sleeves.

Development Information

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