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,…
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…
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…
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,…
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.
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…
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…
Advantages: rich in layers, can go in-depth, and paint in detail. The hardness mark of pencil lead core generally uses “H” to indicate a hard pencil, “B” to indicate a soft pencil, “HB” to indicate a pencil with moderate hardness, and “F” to indicate a pencil with a hardness between HB and H. Arrangement (from…
1. Classified by form The types of pencils include: “log penholders”, “sharpened penholders”, and “pencils with caps”. “Ordinary penholder” means that the pencil manufacturer presses the lead of the pencil with a wooden rod. This kind of pencil requires the consumer to sharpen the nib before it can be used. In addition, there is a…
The pencil processing is as follows: Pencil board processing: 1. Unpack and cut the logs, cut squares and sew them into wooden blocks, and cut them into pencil boards with a board cutter after hydrothermal treatment. The length of the board is 184mm, the width is 73mm, and the thickness is 4.8～5.2mm. After heating (60～120℃)…
