SHKI Industry is a professional manufacturer, supplier and exporter of paper bags with more than 15 years of experience in the market. We are very happy to introduce ourselves as one of the leading manufacturers of paper bags in India. With our extensive experiences in this field, we provide a large variety of paper bags including gift paper bag, shopping paper bag, food grade paper bag and others.

What is a paper bag?

A paper bag is a bag made out of paper, usually with handles. Paper bags are commonly used as shopping bags, and can also be used for other purposes such as packaging.

Different Types of Paper Bags

Paper bags come in a variety of shapes and sizes, each with its own unique benefits. Here are just a few of the different types of paper bags available on the market today:

• Brown Paper Bags: Brown paper bags are the most common type of paper bag used for shopping and other purposes. They are made from brown kraft paper, which is a strong and durable material. Brown paper bags can be recycled and reused multiple time.

• White Paper Bags: White paper bags are another popular option for shopping and other purposes. They are usually made from bleached sulphate pulp, which makes them whiter than brown paper bags. White paper bags can also be recycled and reused multiple times.

• Coloured Paper Bags: Coloured paper bags add a touch of fun and flair to any event or occasion. They are perfect for birthday parties, weddings, baby showers, and more. Coloured paper bags can be made from any colour of kraft paper, making them completely customizable.

How to Manufacture Paper Bags?

Paper bags are made from a variety of materials, including paperboard, kraft paper, and laminated paper. The most common type of paper bag is the brown kraft paper bag, which is made from 100% recycled paper. Kraft paper bags are strong and durable, making them ideal for carrying heavy items such as books or groceries. Laminated paper bags are made from two layers of paper that are bonded together with a layer of plastic. These bags are more expensive than kraft paper bags but are more resistant to tearing and moisture.

There are two main methods for manufacturing paper bags: rotogravure and flexography. Rotogravure is a printing process that uses engraved cylinders to print images onto the surface of the paper. Flexography is a similar printing process but uses flexible plates instead of cylinders. Both methods can print on both sides of the paper simultaneously.

The first step in manufacturing a paper bag is to create the artwork for the bag. This artwork is then transferred to either a cylinder or a plate, depending on the chosen printing method. Next, the cylinder or plate is mounted on a printing press and inked. The inked surface is then brought into contact with the surface of the paper, transferring the ink onto the paper. Finally, the printed sheet of paper is fed through a series of rollers that shape it into a tube-like form, which is then cut to size and glued or stitched shut to create a finished bag.

Types of Paper Production

There are two types of paper production- the Kraft process and the pulping process.

The Kraft process, also known as the sulfate process, is used to produce wood pulp. This type of paper production uses a chemical solution to break down the lignin in wood chips, which makes the cellulose fibers easier to separate. The Kraft process is used to produce a variety of paper products, including brown paper bags.

The pulping process, also known as the mechanical pulp process, is used to produce white paper. This type of paper production uses a machine to grind up wood chips and remove the lignin. The cellulose fibers are then bleached to produce a bright white paper. The pulping process is used to produce a variety of paper products, including office and printer paper.

Other Products We Supply

In addition to our wide range of paper bags, we also supply a number of other products that are essential for businesses in the packaging industry. These include:

Corrugated Board: We offer corrugated board in a variety of flute profiles and basis weights. Our corrugated board is perfect for packaging applications that require high strength and durability.