日本标准 JIS S 6061 中性圆珠笔和笔芯

Shape And Dimensions of refills 笔芯的形状和尺寸

Width Of Writing Line & Diameter of Ball书写线的宽度和圆球的直径

Quality Of Gel Ink 凝胶体质量(不需要提供)

Quality of gel ink ball pens and refills (refer to Claue 8.3)

safey reqirment of caps for children not up to 14 years of childen

gel ink viscosity test 墨水粘度测试

Writing Performance 书写性能

strike through test 背部渗透性测试

drying time test干燥性能测试

reproducibility test 复制性能测试

Water Resistance防水测试

Light Resistance书写字迹防光照测试 (上海制样，香港测试)

cap-off time test 脱笔帽后墨水纺挥发测试

shelf life tests 模拟货架存放后(90天)书写性能测试

Eraser Resistance防擦测试

Alcohol Resistance防酒精测试

Hydrochloric Acid Resistance防盐酸测试

Ammonia Resistance防氨水测试

Bleaching Resistance防漂白测试

hazardous substance test 有害物质测试

 Marking 标志