How to maintain the brush?

Wash the pen immediately after use, do not put on the pen sleeve after washing, soak up the remaining water and straighten it out. Put the pan upside down in a cool place or store it with a pen curtain. Do not expose the pen to the sun. Don’t lick the hair in your mouth;…

Craftsmanship of the writing brush

The raw materials for making brush pens are wool, weasel tail hair, mountain rabbit hair, stone badger hair, and fragrant raccoon hair. Pig palm, horsetail, oxtail, chicken hair, rat whiskers, lanugo, etc. are also widely used. The brush holders are mostly made of bamboo tubes, such as green bamboo (roasted red), purple bamboo, illustrated bamboo…

Brush classification

The classification of brushes is mainly based on size, as well as the type, source, and shape of the brush hair. According to the raw materials of the pen, it can be divided into fetus pen, wolf pen (wolf hair, that is, weasel hair), rabbit shoulder purple hair pen (purple hair), deer pen, chicken pen,…

Characteristics of charcoal

Charcoal is short for carbon pencil Characteristics of charcoal: 1. The charcoal pen is a wooden pen with charcoal essence as its core. Its characteristics are that the pen color is thick, the adhesion is slightly poor, and the friction with the paper is large. It is not suitable for alteration. It is mostly used…

Notebook paper size

A4 (16k) 297mm×210mm; A5 (32k) 210mm×148mm; A6 (64k) 144mm×105mm; A3 (8k) 420mm×297mm; Note: A3 (8k) size has not been fixed yet, but it is commonly used. A4 copy paper in daily life, 8K paper refers to these sizes, that is, the size of A4 paper (16K paper) is: 297mm×210mm, and the size of 32K notebook…

What does student stationery include

Student stationery is one of the most important branches of stationery, and the main user group is students. Student stationery categories include pencil cases, pencil cases, pencils, mechanical pencils, watercolor pens, whiteboard pens, ballpoint pens, gel pens, oil pastels, oily pens, crayons, pens, school bags, erasers, pencil sharpeners, pencil sharpeners, Liquid glue, solid glue, ruler,…

Benefits of pencil case

The pen case has a function similar to that of a pen case. It is mostly made of cloth or cooked glue, can be washed with water, does not rust, and is not as small as the pen case can hold pens, and is easy to carry.  

What material is good for the pencil case

There are generally two materials for pencil cases, namely canvas and nylon. Canvas is a relatively early material for pencil cases. It is a textile, strong and durable, and does not contain any harmful substances. Nylon is a chemical product, commonly known as PVC, which is a kind of plastic, and its production cost is…

What are the main ingredients of the pencil?

The main components of the lead core of the pencil are graphite and clay. According to the national standard, pencils are divided into 18 models according to the graphite concentration. In the current standardized test in our country, the computer can only read the pencil handwriting with a lead concentration of 2B. Too thick or…