AD Star Valve Bag (Polypropylene Woven Bag):

These bags are made of a single layer of woven polypropylene (pp), the same material with bulk bags (FIBC’s) and it is very strong.

Normally There are 2 styles, tubular and back seam. Both function essentially the same but the back seam version will be a little

stiffer. Most of the Ad Star bags can be printed with several colors. Ad Star bags can be made with a variety of valve types and fabric

colors as well.



Paper Valve Bag

These bags are made of kraft paper. There are 2 basic types of paper used, 2 ply or 3 ply regular kraft and 2 ply paper with one PE Film.

Details as the bag loading and customers' requirements. Both generally work well in most applications and can be made with a variety

of valve types. Paper bags come in either brown or bleached paper and can then be printed as well.

Composed of a bilayer or multi-layer structure, the outer layer is Kraft paper bag while the inner layer is aluminum foil bag，some others also with PE liner between paper and aluminum. This bag is highly durable, moisture-proof, puncture resistant, and has good light-blocking property. Suitable for high quality products and materials that cannot have moisture.

※Applicable to food use: Tea, Coffee beans, ground coffee, biotech material
※Applicable to industrial use: Engineering plastics, NYLON materials, TPU materials, biodegradable plastic materials

Product Characteristic:

Durable pp woven construction

Can be printed in custom sizes and colors

perfect for free-flowing powders or granular products

Self-sealing



Description


The features of this type bag is a block bottom facilitating the palletization. This valve bag has an automatic closure, which prevents content escape

from seams. The bag can be made laminated or BOPP bag.



This range of bag can be declined to infinity according to the dimensions, the resistance or the choice of printing. The manufacturing process is very

rigorous and requires frequent quality checks. Available in many standard formats, it can also be produced according to precise specifications

according to the specific needs of our customers.



Example of use: cement bag, plaster bag, calcium carbonate (CaCO3) bag, various raw materials, etc.

Manufacturing Flexible Intermediate Bulk Containers (FIBC, Jumbo Bag, Big Bag, Bulk Bag or Super Sack) includes various

type of key steps. Here in this process the PP granuels which is the basic raw material is being converted in to a FIBC Big

Bag after undergoing various types of process. The total process involved are of 11 steps. The brief note is being below

mentioned regarding each and every step.

Aluminum foil FIBC bag as an inner package of container bag/ton bag/big bag, the container bag is used together as the outer bag protection to meet the customer's packaging and transportation requirements. Its main characteristics are moisture-proof, shading, heat insulation, and oxygen barrier. It is widely used for the transportation and packaging of lithium battery materials, food, medicine, and chemical products with special requirements.