Question

 When did they stop using lead in pencils?

Answer Ancient Greeks and Romans used metallic leads to write on papyrus, creating the world's first pencils. By the 1500s, graphite had replaced lead. Although modern pencils were a mixture of graphite a... Read More »
http://www.answerbag.com/q_view/1897772

Top Q&A For: When did they stop using lead in pencils

When did they stop using lead in number 2 pencils?

According to the Writing Instrument Manufacturers Association, lead has not been used for writing since the Middle Ages (the 14th century or 1500s). The graphite pencil that we use now came into us... Read More »
http://www.answerbag.com/q_view/2239285

What element is the lead in lead pencils?

The element that makes up the lead in lead pencils is graphite. The mineral is mixed with clay to form the core of the pencil. Adjusting the graphite-to-clay ratio results in different lead-hardnes... Read More »
http://www.answerbag.com/q_view/2224547

Do pencils still contain lead?

Non-toxic graphite is used in pencils, not lead. Graphite has always been used in pencils. When it was discovered in the 1500s, it was believed it to be a form of lead. Even though it is now known ... Read More »
http://www.answerbag.com/q_view/2224906

What are lead pencils really made of?

Pencils are not made of lead, but of a mixture of clay and graphite, crushed into a powder. The materials are pressed through a tool to make a cylinder shape. This cylinder is inserted between two ... Read More »
http://www.answerbag.com/q_view/1898644


feedback
loading