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Lead for mechanical pencils is highly conductive, seemingly pure graphite but I think they can have different hardness ratings too, I wonder what the difference
by samirillian 3y ago
Lead for mechanical pencils is highly conductive, seemingly pure graphite but I think they can have different hardness ratings too, I wonder what the difference is.
- corinroyal 3y agoThe difference is pencil clay. More clay makes a harder, lighter marking lead. https://shop.kremerpigments.com/us/shop/pigments/40960-pencil-clay-powder-0-0-5-mm.html https://shop.kremerpigments.com/us/shop/pigments/40960-penci...
- samirillian 3y agoI meant as opposed to wooden pencils