технические знания

The outer printing of the tin lunch box usually uses an offset printing rotary machine with the same structure as the iron sheet printing, but because the solvent of the printed body is not penetrated, the overprint of more than 3 colors will have certain difficulties in overlapping printing, so a 2-color machine can be used A set of 2 colors is dried in turn, and printing is performed according to the required number of colors. In the case of a coater for primer coating at the back of the...

The light fastness of metal printing inks is usually tested with a light fastness tester using light as a light source. The ratio of the exposure time of this light fastness tester to the number of days exposed to natural light. For the metal box printing ink, it is required that the packaging container be exposed to the light fastness tester for 48 hours (approximately equal to the amount of 20 days of natural light in summer) without discoloration or fading...

The coffee packaging industry will grow exponentially in 2021, and now our company is working hard to make itself global and expand the market. Companies are actively exploring new areas and improving production technology in order to attract customer orders, and are willing to try unique design styles and box shapes...

Do you have stock tin cans for sale? There is no stock tin cans for sale, we are a professional custom tin can manufacturer, there is no stock, only a few tin can samples, please contact us for details.

I believe that many customers are curious about the cycle of custom proofing of packaging boxes. Today, the editor of Hui Packaging will analyze and analyze for everyone! Generally, when negotiating with customers, if customers have their own requirements or design drafts, the factory needs to make them according to specific requirements...

There are all kinds of promotional gift packaging boxes on the market shelves, but what are the materials for these promotional gift packaging boxes? Ordinary promotional gift packaging is relatively simple in material and structure, and many of them are two-layer or single-layer structures, which are used for pastry packaging for bread and desserts. Our commonly used packaging materials mainly include PET, VMPET, KPET, matte PET, OPP, pearl OPP, matte OPP and other materials...

An excellent saffron packaging design is the organic unity of packaging box shape design, structural design and decoration design. Only in this way can the packaging function be fully brought into play. Moreover, packaging design not only involves the two academic fields of technology and art, but also involves many other related disciplines in their respective fields. Therefore, it takes a lot of hard work to get a good packaging design...

When customizing gift box tin boxes, in order to ensure the smooth progress of gift box tin boxes from design to mass production, pre-production proofing is generally carried out. The purpose of gift box tin box proofing is to provide specific boxes for packaging mass production. Type structure, material selection, production process standard and production technology guarantee

In order to improve the design and quality level of printed products, tin box factories often use spot color inks when printing trademarks, packaging, and promotional materials to ensure the color consistency of printed products and meet customer requirements. Then follow the tin box packaging factory. Discuss with you the causes of color difference in tin box printing spot color inks.

There are a series of processes in the production of candy tin boxes. The colorful candy tin boxes we see are printed in spot colors or four-color printing. However, because of the special nature of the tin box, its printing process is different from other papers. The candy box is not the same. Tin boxes are more and more widely used in packaging in various industries...

Tea is a dry product that is dried or air-dried. It is very easy to absorb moisture and return moisture and cause deterioration. It has a strong absorption of moisture and odor, and the fragrance of tea is very easy to volatilize. Therefore, when the tea is stored improperly, It is very easy to cause the taste of tea to change. Therefore, scientific utensils and methods should be used to preserve tea.

The tea caddy are generally of common sizes, and the length and width are generally fixed and universal. The height of custom-made tea caddys can be adjusted appropriately according to the customer's product capacity (change the height of the tea caddy). Very few customers have their own fixed size...