In daily life, we will find that many plastic products will have some odor when they are first used. For example, some common polyethylene and polypropylene products will have a smoky smell at the beginning of use, and the smell will be much less after a period of use. , Why do these plastic prod...
Plastic packaging bags are generally printed on various plastic films, and then combined with barrier layers and heat-sealing layers to form composite films, which are cut and bagged to form packaging products. Among them, printing is the first line of production and the most important process. T...
When toning, according to the requirements of the object to be colored, it is necessary to establish quality indicators such as the physical and chemical properties of the pigment product. Specific items are: tinting strength, dispersibility, weather resistance, heat resistance, chemical stabilit...
In actual color matching, the coloring pigments used cannot be extremely pure three primary colors, and it is unlikely to be exactly the desired pure color, usually with some similar hues more or less, to achieve For a given color sample, it is always necessary to use a variety of coloring pigmen...
Coloring pigments are the most important raw materials in tinting technology, and their properties must be fully understood and applied flexibly, so that high-quality, low-cost and competitive colors can be formulated.
Metallic pigments: Metallic pigment silver powder is actually aluminum powder,...
Coloring pigments are the most important raw materials in tinting technology, and their properties must be fully understood and applied flexibly, so that high-quality, low-cost and competitive colors can be formulated.
Commonly used pigments for plastic color matching include inorganic pigments, ...
Plastic color matching is based on the three basic colors of red, yellow and blue, to match the color that is popular, meets the color difference requirements of the color card, is economical, and does not change color during processing and use. In addition, plastic coloring can also impart vario...
When light acts on plastic products, part of the light is reflected from the surface of the product to produce luster, and the other part of the light is refracted and transmitted into the interior of the plastic. When encountering pigment particles, reflection, refraction and transmission occur ...
In the last issue, we learned about the various forms of use of wrapping film. In this issue, we will continue. to understand its characteristics. In fact, the wrapping film mainly has the following characteristics:
Unitization: This is one of the biggest features of stretch film packaging. With ...
With the general enhancement of people’s awareness of environmental protection, many ordinary plastic products in life have been replaced by degradable plastic products and paper products, and paper straws are one of them.
Beginning on January 1, 2021, the Chinese beverage industry responde...
With the maturity of self-media, even at home, we will see humanistic customs from all over the world. Among them, there are many records of the diet and life of African people: “Oil, pour it in the pot!” With this classic sentence, our minds A picture of an African lady melting a bag...
Stretch film, also known as stretch film, heat shrink film, the principle is to use the film’s super winding force and retractability to compact and fixedly bundle the product into a unit, and the product will not be loose even in unfavorable environments. With separation, degrees and witho...
