检测项目:
杆内断芯,偏心,铅芯性能,铅芯、笔杆尺寸,笔杆强度,笔杆涂层,外观,滑芯,皮头拉力,笔杆结合牢度
检测标准:
1、QB/T4436-2012 5.10 纸杆铅笔/
2、QB/T4436-2012 5.6 纸杆铅笔/
3、QB/T4436-2012 5.7 纸杆铅笔/
4、QB/T4436-2012 5.8 纸杆铅笔/
5、QB/T4436-2012 5.9 纸杆铅笔/
6、QB/T4436-2012 5.2 纸杆铅笔/
7、QB/T4436-2012 5.3 纸杆铅笔/
8、QB/T4436-2012 5.4 纸杆铅笔/
9、QB/T4436-2012 5.5 纸杆铅笔/
10、QB/T4436-2012 5.1 纸杆铅笔/