Hunting cartridge paper has long been a crucial component in the manufacturing of shotgun cartridges. While modern cartridges are often made of plastic or metal, paper cartridges still hold a significant place in the industry. This is primarily due to their unique properties, including high tensile strength and elongation.

The paper used in hunting cartridges must possess a high tensile strength in the machine direction, which is the axial direction of the cartridges. This is necessary to ensure that the paper does not tear or break during the firing process. In the cross direction, the cartridge is supported by the gun-pipe, but a sufficient elongation is still needed to withstand the pressure and forces exerted upon it.

The body of the cartridge is typically wound using a kraft paper with a weight ranging between 80-120 g/m2. Kraft paper is known for its exceptional strength and durability, making it an ideal choice for this application. It is made from wood fibers that are tightly bonded together, resulting in a paper with excellent tear resistance.

To provide additional protection and visual appeal, the kraft paper is further covered by an intensely colored sheet weighing between 60-80 g/m2. This colored sheet not only enhances the aesthetic appeal of the cartridge but also helps in identifying different types of ammunition.

The use of paper in shotgun cartridges offers several advantages. Firstly, it is a cost-effective option compared to plastic or metal alternatives. Paper is readily available and can be easily manufactured, making it a more affordable choice for both manufacturers and consumers. Additionally, paper cartridges are biodegradable, making them an environmentally friendly option.

Furthermore, paper cartridges have a long-standing tradition in the hunting and shooting community. They have been used for decades and are often preferred by enthusiasts who appreciate the nostalgia and craftsmanship associated with traditional hunting methods.

While plastic and metal cartridges dominate the market today, the demand for paper cartridges still exists. Some manufacturers continue to produce them, catering to a niche market of hunters and shooters who value the unique characteristics of paper cartridges. Additionally, paper cartridges are commonly used in certain shooting competitions and events, where the traditional aesthetics and performance of paper cartridges are highly regarded.

In conclusion, hunting cartridge paper plays a vital role in the manufacturing of shotgun cartridges. Its high tensile strength in the machine direction and sufficient elongation in the cross direction make it a reliable and durable choice. While plastic and metal cartridges have become more prevalent in recent years, paper cartridges maintain a place in the industry due to their affordability, biodegradability, and traditional appeal.