tin tức công ty về Corrugated carton box: what do you need to know?

Corrugated carton box, normally, we can call them“cardboard box” or”box”, it use cardboard as the materials, after die-cutting, slottering, creasing and more processing, finally, we can get a rigid paper packaging container.
Simply means, it made by at least one layer of wavy (corrugated) core paper and at least one layer of flat box board paper bonded together, and then processed into box shaped packaging.

1. Fundamental structure: How are corrugated cardboard boxes constructed?
The material used to make corrugated cardboard boxes is corrugated cardboard. Usually, three or more layers of material make up corrugated cardboard:
A smooth printing surface and initial strength are provided by the face paper and inner paper, which are flat outside and inner layers of paper.
The secret to the cushioning and compressive qualities of cardboard is corrugated core paper, which is a layer of paper that is compressed into a wavy form in the center. Like a "small arch bridge," this wavy construction can support itself and disperse external stresses well.

2. Corrugated type
The performance and application of cardboard are determined by the various corrugation heights and forms. The most prevalent ridge kinds are:
A corrugation the greatest spacing and the highest corrugation. the strongest buffering, impact resistance, and optimal elasticity. Ideal for packing delicate goods.
B flute: The corrugations are closely packed and low. Strong resistance to flat pressure, smooth surface, high hardness, and printing compatibility. frequently utilized for goods that need support, like the packing of canned goods and beverages.
C-notch: It offers balanced buffering and compression resistance and good overall performance between A-notch and B-notch. Currently the most used corrugated type, it works well for a variety of packaging applications.
E-flute: The corrugations are dense and exceedingly thin, and their surface is quite flat, making them suitable for high-quality color printing. frequently used for little paper boxes, display boxes, fast food boxes, and other items like tiny packaging for electronics and cosmetics.
F Leng: Mostly used for upscale retail packaging, its length is thinner and more eco-friendly than E Leng.

3、 Corrugated board layers (differentiated by structure)
One layer of surface paper, one layer of corrugated core paper, and one layer of inner paper make up single corrugated cardboard, also known as three-layer board. The most popular, used for packaging that is light to medium in weight.
Surface paper, inner paper, two layers of corrugated core paper (often B+C or B+A corrugated combination), and one layer of intermediate paper make up double corrugated cardboard, also known as five layer board. Superior compression and buffering capabilities, high strength, and appropriate for heavy, delicate, or valuable objects.
Three layers of corrugated core paper and four layers of box board paper make up three-layer corrugated cardboard, often known as seven-layer board. incredibly durable, utilized for industrial packing of major domestic appliances, timber goods, and heavy machinery.

4. Type of cardboard box
Cardboard boxes are classified into standard and special types based on their construction and function.
The most popular type of standard box is the Regular Slotted Carton (RSC). Both sides have inner and outer rocker coverings that, when shut, create a double-layer bottom and lid. strong universality.
Complete Overlap FOL, or slotted carton: The top and bottom rocking covers are the same width as the box, and when the box is sealed, the rocking covers fully overlap. Products that are heavier or need extra top/bottom protection are typically packaged with the box's more robust lid and bottom.
Telescopic Box: Made up of a bottom and lid that are attached like a hat. frequently utilized for garment boxes, gift boxes, etc.
Box with hand buckles: The box has hand buckles on the side for convenient handling. However, it will marginally weaken the box.
Airplane box: ready to use when unfurled, automatic bottom locking, tape-free. widely used for books, clothes, e-commerce rapid delivery, and other tiny and light goods.

5. How can one pick an appropriate corrugated cardboard box?
Considering the item's weight and nature:
Small and light objects (less than 10 kg): One corrugated surface (E or B corrugated) is adequate.
Common products (10–20 kg) are either double or single corrugated (C-corrugated).
Items that are heavy or fragile (>20kg): It must be double or triple corrugated.
Items that are fragile: Make sure there is enough cushioning material in the box and select A or C ribs.
Size-wise, the adage "bigger is better than small" is untrue! A box that is too big may cause objects to tremble within, necessitating additional padding and adding weight and expense; a box that is too small might not fit or might break the cardboard box.
The golden rule is to leave two to three centimeters around the object after positioning it so that cushioning materials (such bubble wrap, paper balls, pearl cotton, etc.) can be filled in.
Considering the usage scenario:
E-commerce shipping: To increase packaging effectiveness, take into account buckle boxes and airline boxes.
Storage and handling: Select B-corrugated or double-corrugated boxes with compressive strength based on stacking strength.
Gift/Display: Select a beautiful E-shaped white cardboard box made of cowhide.

6. Evaluation of cardboard box quality
Verify the weight: One crucial metric is the weight (g/m2) of the dough and corrugated paper; the higher the weight, the higher the quality of the paper.
Feeling of touch: Good cardboard resists deformation when pressed because it is thick and rigid. Sadly, cardboard breaks.
Verify the adherence: Without delamination, the corrugated paper is securely adhered to the surface paper.
Determine the compressive strength: To avoid deformation, hold the empty container upright and apply pressure to the diagonal with your hand.

7. Sustainability and Environmental Preservation
Recyclable: One of the world's most recyclable packing materials is corrugated cardboard.
Reusable: The idea behind reusing undamaged old cardboard boxes is to ensure their strength and safety.
Select materials that have been recycled: Recycled pulp is used to make a lot of cardboard boxes.