Regulation of classification of quality of pencil of pulsatile type activity

The classify of pencil of pulsatile type activity that 1.1 method are 0.5mm and 0.5mm above to core diameter norms only. By its quality is divided in all for 3 A, B, C, grade.

Pencil of pulsatile type activity eliminates class of 1.2A, B each function index should accord with QB1023 outside the regulation, force of the core that place lead (before exhaustion) the technical requirement that reachs the exterior should accord with a watch 1 regulation. (differentiate incomplete, be short of, appendix of useless compasses definite opinion) watch 1:

Kind Model	Class Not	Force of the core that place lead (before exhaustion) N ≥	The exterior
Tall Class Article	A	8	1. Without incomplete, be short of, useless, without minor defect. 　 2. Bright and clean brightness is first class.
	B	6.86
In Class Article	A	8
	B	6.37
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