What can a paper jam do?

Paperboard has many functions, which can be used to make many hand-made small animals, trinkets, small cartons and so on. , can achieve a more ideal combination of artistic beauty and practicality.

White cardboard is a kind of white cardboard made of thick, strong and pure high-quality wood pulp. After calendering or embossing, it is mainly used as a printing substrate for packaging and decoration.

It is divided into three grades: A, B and C, and quantified as 2 10-400g/㎡. Mainly used for printing business cards, invitations, certificates, trademarks, packaging and decoration.

Grams:

Generally, there are 200 grams, 250 grams, 280 grams, 300 grams, 350 grams and 350 grams of white cardboard, and different grams of white cardboard play different roles.

White cardboard is a strong and heavy paper. Once upon a time, it was proposed to take quantification as the benchmark.

Classification: paper, cardboard and cardboard; In the early years, white thick paper with a basis weight of about 200g/m2 (smooth surface and high stiffness after calendering, also called thin paperboard) was called heavy paper.

In fact, it is also a kind of cardboard. The most common cardboard is colorless, called white cardboard. If it is colored, it is called coloring the cardboard according to the color.

White cardboard is mainly used for packaging cosmetics boxes, tonic boxes, gift boxes and high-grade agricultural and sideline products boxes.

White cardboard is called "white", so its whiteness is very high. A whiteness is not less than 92%, B whiteness is not less than 87%, and C whiteness is not less than 82%. If the whiteness exceeds 90%, it will be a bit "dazzling".

200 grams of white cardboard main uses:

Mainly used for color printing image packaging of high-end goods, widely used in box making, printing and packaging of tobacco, business cards, covers, invitations, food, cosmetics and other industries. Clothing tag, blank business card, origami.

250 grams of white cardboard main uses:

White handmade cardboard, paper bags, high-grade gift boxes, cosmetic boxes, handbags, brochures, calendars, high-grade postcards, medium and high-grade printing, etc.

300g single-sided coated white cardboard Main uses:

Stamp album, specimen album, back plate of photo frame. High-end cosmetics boxes, personal care boxes, high-end health care boxes, high-end food boxes, some luxury boxes, electronic product packaging,

Handbags, milk powder boxes, tea boxes, greeting cards, export card books, high-grade toy boxes, high-grade clothing boxes.

350 grams of white cardboard main uses:

Clothing sofa clothing printing paper, sample paper, photo album backboard, gift box, CD box, etc.

400 grams of white cardboard main uses:

Clothing lined cardboard, handbags, labels, boxes, business cards, certificates, invitations, etc.

The common grams of imported white cardboard are 160g, 180g, 200g, 240g, 300g and 350g；; Products are mainly used in calligraphy, wine boxes, cosmetic boxes, high-end clothing bags, clothing tags, greeting cards, gift packaging, photo albums, envelopes, high-end notebooks, business cards, advertisements, bank passbooks and so on.

Classification of white paperboard

White cardboard is generally divided into: blue and white single-sided copper cardboard, white copper cardboard and gray copper cardboard.

White copper cards are mainly used to make high-grade cartons. Therefore, the paper surface must have the characteristics of high whiteness, smooth paper surface, good ink acceptability and good luster.

The cardboard with white paper back needs high whiteness and good printability, so that it can be printed on the back. In addition, delamination does not occur when the carton is rolled.

Vacuum packaging has the function of commodity display and protection, and it is relatively light, so it is widely used.

The most important quality requirement of vacuum packaging white copper card is the bonding effect with PVC plastic shell. If it cannot be effectively adhered to, it will not be accepted by customers.

Because the bonding effect between cardboard and PVC rubber shell will be affected by bonding processing conditions (adhesive concentration, heating temperature and heating time) and ink,

Therefore, the paper mill can only guarantee the bonding effect of cardboard before painting, and customers should test and confirm the bonding effect before using it.

Main uses: all kinds of high-grade cartons and vacuum bubble shell packaging.

Grey copper cardboard

Main uses: suitable for making all kinds of cartons and hardcover book envelopes.

Blue and white double-sided copper cardboard

Main uses: West cardboard is mainly used for business cards, wedding invitations, postcards, cards and data cards.

Tongxika is mainly used for book covers, postcards, cards, wedding invitations, commodity tags, cosmetics, food and other cartons that need to be beautifully printed.