GB/T 21027 Common use of security for student's articles学生用品通用要求 |
3.1重金属元素Toxic Elements Test |
3.2涂改制品中的苯、氯代烃Content of Benzene and Hydrochloric Ether in Write-out Products |
3.3胶黏剂中的有害物质Hazard Products in adhensive |
苯、甲苯、二甲苯 |
总挥发性有机物 |
3.4甲醛含量Formaldehyde Content |
游离甲醛(胶粘剂) |
3.5偶氮染料Azo-Dye |
3.6本册亮度(白度)Brightness of Paper(whiteness) |
3. 7笔帽安全Specification for Safety Caps |
3.8边缘、** Sharp Edges and Sharp Points |
标识标志 |
GB/T 21027 Lead time测试周期:常规Regular service12个工作日