Normal Name

HB Pencil Lead In Bulk

Main material

Graphite & clay

Color

Black

Length

185mm or custom size pencil lead

Diameter

2mm for normal size of pencil lead, available custom size

Weight

1.176g/pc for HB 2.2 pencil lead

Hardness degree

H series of pencil lead : 9H, 8H, 7H, 6H, 5H, 4H, 3H, 2H, H, F
B series of pencil lead : HB, B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B, 10B, 11B, 12B

Certification

MSDS, EN71-3, ST2002-3, ASTM F963-08, REACH, PAHS