T/CWIA 1005.1-2019 Polymer pen tip Part 1: Fiber pen tip
T/CWIA 1005.1-2019 Polymer pen tip Part 1: Fiber pen tip
Basic Information
Scope
Scope: This part specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of fiber tips. This part applies to fiber tips made from synthetic fiber materials through bonding molding. Main technical content: The main technical content includes the size, performance, and safety requirements of fiber tips. The size requirements include the diameter and length of circular fiber tips, and the width, thickness, and length of non-circular tips. The performance requirements include water absorption rate, tip hardness, tip stress, water conduction rate, writing performance, dimensional change rate, and appearance, totaling seven items. The safety requirements include the content of migratable elements, migratable organic tin, and 4-nonyl (branched and straight chain) phenol ethoxylate, totaling three items.