1. The colors are rich and bright. 2. Part of the color pen shell can also be divided into a number of vertical watercolor tanks, each tank is filled with different watercolors, so that the color pen can write different colors of calligraphy and calligraphy or calligraphy and calligraphy with different patterns at a time.…
1. Type: Monochrome color pen The monochromatic color pen is composed of three parts: the barrel, the nib, and the refill. The refill is filled with color water. 2. Two-color color pen A two-color-colored fountain pen, composed of three parts: a pen barrel, a pen tip, and a pen core. The pen tip is divided…
Color pens can be expressed with lines, such as painting landscapes. First, use a pencil to lightly draw the outline of the tree, and also draw the intersection of the earth and the sky. Then fill the tree with light green and horizontal line segments, Don’t be too dense, be sparse, or you can’t reflect…
Fabric-All imported ultra-high-density 600D nylon. Strong resilience. All fabrics can only be used after passing the waterproof and decolorization test and can withstand polishing up to 6000 revolutions. Hard and durable. Zippers-All zippers have passed the honed test. According to statistics, each student uses the zipper of the schoolbag about 25 times a day on…
1. Buy tailor-made. Pay attention to whether the size of the schoolbag is suitable for the height of the child. Consider the small schoolbag and choose the smallest schoolbag that can hold your child’s books and stationery. Generally speaking, the schoolbag should not be wider than the child’s body; when you carry it on your…
The staple specifications are: 26/6, 24/6 (369), 10#, 23/6-2; the sealing staples are: 35╳16, 18, 19, etc. There is at least one stapler in every office. It provides us with an ideal way to bind many pages together and store them. I believe that many students also have staplers in their homes. In fact, the…
(1) The pressure handle is made wider, increasing the force area to reduce the pressure; (2) The staple (needle outlet) is very sharp and thin, reducing the force area and increasing the pressure; (3) The base is made wide, which is beneficial to reduce the pressure; (4) The stapler is a lever with a shaft…
The ball is used to directly contact the paper surface to generate friction when writing so that the ball rolls in the ball seat and brings out the ink or ink in the pen core to achieve the purpose of writing. A ballpoint pen is a pen that uses ink and different pigments to write.…
By color ⑴ Monochrome ballpoint pen: This is the most common ballpoint pen, often in blue, black, red, etc. ⑵ Two-color ballpoint pen: generally red and blue two-color. ⑶ Three-color ballpoint pen: red, blue, and black. ⑷ Four-color ballpoint pen: red, blue, black, and green. In addition to these four, there are six-color, eight-color, and…
The main components of the ballpoint pen ink formulations of various colors include dyes, film formers, solvents, dispersants, and other additives. The basic ingredients of the formula: dye 5%-25% film former 5%-15% solvent 30%-60% dispersant 5%-20% other additives 2%-10%.
