Kraft paper is made of kraft pulp, usually is light brown, cream or white color. It is flexible and strong, has high burst resistance, can withstand greater tension and pressure, is a good material for packaging. In addition, because kraft paper is eco-friendly and recyclable, and beautiful, it is now more and more popular and promoted.
Flat bottom packaging bag is also called Quad seal bag, which is a kind of composite bag. It is a type of packaging bag named according to its shape. It refers to a packaging bag with four sides sealing edge and 4 bottom sealing edges,total 8 sealing edges. It was first applied in the pet food packaging. Because of its unique appearance and strong three-dimensional appearance,high-end and elegant appearance, it is instantly popular in snack food, snack, tea and other industries packaging.
1. Stand steadily, which is conducive to shelf display and deeply attracts consumers’ attention;
2. There are eight printed pages, with enough places to describe products, which is helpful for language product sales and global sales product promotion, and product information display is more complete;
3. Because the bottom of the bag is flat and open, when you lay down the bag, and the bottom is a good display layout;
4. The flat bottom bag stands upright, which is conducive to the soft display of the brand;
5. the bag is laminated by couple layers of material, the materials vary widely, from the thickness of the material, the barrier properties of water and oxygen, the metal effect and the printing effect, more choices than a single box;
6. The flat bottom zipper bag is equipped with reusable zippers. Consumers can reopen and close the zippers;
7. Unique appearance, beware of counterfeiting, easy to identify, which is conducive to brand establishment;
8. It can be printed in multiple colors, the appearance of the product is exquisite, and it has a strong promotion effect.
PET+KRAFT PAPER+PE: Used for normal goods,and glossy surface;
BOPP+KRAFT PAPER+PE:Used for normal goods,and matt surface;
PET+KRAFT PAPER+VMPET+PE:Used for the the goods need avoid lighting.
PET+KRAFT PAPER+AL+PE:Used for the goods need strictly avoid the lighting.
Printing, 9-color high-speed gravure printing machine, the maximum roll width can reach 1.25 meters. A 9-color gravure printing machine means that there are 9 ink tanks. The ordinary color can be superimposed with four colors of red, yellow, cyan and black. If the color requirements are stricter, or when printing on a large area background color, you need to use spot colors.
Laminating, our company currently has solvent-free laminating machine and solvent laminating machine, normally we use solvent laminating machine first spay the water-soluble glue on the back of printed layer and laminated with other layers.
Drying: Then put laminated roll in a constant temperature dryer for drying and curing to make the lamination stronger and eliminate the smell.
Inspection:Use computer to inspect the laminated roll,and use black label mark the unqualified point,and picked up the completed piece which with black label.
Cutting: Cut the laminated roll into needed width,
Bag making: fold and seal the bag into flat bottom type bag.
The flat bottom paper bag is widely used in packing heavy goods,like pet food,nut,snack,powder etc.
If you are choosing packaging bag type for the coffee,tea,nut,and powder these hwavy product,flat bottom paper is a good choice,and with clear window,which can show the goods inside directly,then the customer can pick it out easily.
Some clients like use flat bottom paper bag as the grain’s packaging bag ,like rice,beans and so on, and white paper bag is more beautiful and clean.
Pet food always use this kind of packing bag, like bulk dog food and cat food,and usually they like to add a aluminum foil layer to help to completely block the moisture, UV light and oxygen.
This bag is a nut packing bag, with hang hole can help hang in the shelf, and better for display, and with clear window to show the nut inside directly that customer will know what you sell easily and improve the selling. And with tear notch ,the customer can open the packing bag easily.