Classification of Pencils
Classification by form: semi-finished pencils, including: "log pencils", "sharpened pencils".
Finished pencils, including: "Capped pencils".
"Ordinary pencil" is the pencil manufacturer will pencil core with a wooden pole pressure, this pencil requires consumers to sharpen the nib to use; In addition in the ordinary pencil rod at the end of a small piece of rubber, in the writing error, you can turn the pen to erase the error, the more convenient, invented by the U.S. painters Oman.
"Sharpened pencil" is a kind of pencil rod will be processed out of a certain length of the tip of the pencil for sale of pencil semi-products
"Pencil with a cap", is composed of pencil lead and pencil cap, more than the traditional pencil lead with health, safety, easy to carry and so on, is known as the real meaning of "pencil".
According to the process classification can be divided into: automatic pencils, traditional pencils and pencils with caps
1, write constantly automatic pencil features: write constantly pencil automatic core, clean and hygienic; ordinary lead core of more than 10 times the gravity; the most suitable for children's pencil grip, the core of the pen intelligently spit core, hard pressure, but also the pressure is not constant; write constantly pencil body will not become shorter, with the polyurethane cool environmentally friendly plastic raw materials, the pen body with wear-resistant, resistant to drop, shatterproof, can be repeated to change the core, to avoid waste. Write constantly pencil core with resin and graphite powder baking precision formulation, never lead poison to avoid lead poisoning, damage to the body's health. Write on lead core is round, full and even, ensuring the best writing quality, suitable for any paper; Write on lead core usage rate of up to 91.6%; Write on lead core can be used in a variety of ways.
2、Traditional pencil stubs
The main types of pencil rods: wooden rods, paper rods, plastic rods and so on.
3、Capped pencils
By the pencil and pencil cap composition
