Hey there! As a supplier of Mobile Nitrogen Generators, I'm super excited to chat with you about the cool ways these machines are used in the plastic industry. Mobile nitrogen generators are pretty handy devices that can produce nitrogen on - the - go, and they've found some really important applications in plastic manufacturing.
1. Plastic Extrusion
Plastic extrusion is a common process in the plastic industry where plastic is melted and forced through a die to create various shapes like pipes, rods, and sheets. In this process, mobile nitrogen generators play a crucial role.
When plastic is being extruded, it's in a molten state. Oxygen in the air can react with the hot plastic, causing oxidation. Oxidation can lead to discoloration, reduced mechanical properties, and a shorter lifespan of the plastic products. That's where nitrogen comes in.
We can use our mobile nitrogen generators to flood the extrusion area with nitrogen. Since nitrogen is an inert gas, it displaces the oxygen, creating an oxygen - free environment. This helps to prevent oxidation, resulting in plastic products with better color, improved strength, and longer durability. For example, when making PVC pipes, using nitrogen during extrusion can make the pipes more resistant to cracking and weathering.
2. Plastic Injection Molding
Plastic injection molding is another major process in the industry. It involves injecting molten plastic into a mold cavity to create complex shapes like plastic toys, automotive parts, and electronic enclosures.
During injection molding, air trapped in the mold can cause defects in the final product, such as air bubbles, voids, or surface imperfections. Our mobile nitrogen generators can be used to introduce nitrogen into the mold before the plastic is injected.
The nitrogen fills the mold cavity, pushing out the air. When the molten plastic is injected, it fills the space previously occupied by nitrogen, resulting in a more uniform and defect - free product. Also, nitrogen can help to cool the plastic faster, reducing the cycle time of the injection molding process. This means more products can be made in less time, increasing the overall productivity of the manufacturing process.
3. Plastic Foaming
Plastic foaming is used to create lightweight plastic materials with excellent insulation and cushioning properties. Materials like expanded polystyrene (EPS) and polyurethane foam are widely used in packaging, insulation, and automotive interiors.
In the plastic foaming process, chemical blowing agents are often used to create bubbles in the plastic. However, these chemical agents can sometimes leave residues or have environmental impacts. Mobile nitrogen generators offer an alternative solution.
Nitrogen can be used as a physical blowing agent. By dissolving nitrogen in the molten plastic under high pressure and then rapidly reducing the pressure, the nitrogen forms bubbles in the plastic, creating a foam structure. This method is more environmentally friendly compared to using chemical blowing agents. It also allows for better control of the foam cell size and density, resulting in high - quality foam products.
4. Plastic Recycling
Recycling is becoming increasingly important in the plastic industry. Mobile nitrogen generators can also play a role in the plastic recycling process.
When recycling plastics, the materials need to be melted and re - processed. Similar to the extrusion and injection molding processes, oxidation can occur during the melting of recycled plastics, degrading their quality. By using nitrogen from our mobile nitrogen generators to create an inert atmosphere during the melting process, we can prevent oxidation and ensure that the recycled plastics maintain their original properties as much as possible.


This is especially important when recycling high - performance plastics, such as engineering plastics used in aerospace and automotive applications. Using nitrogen during recycling can help to produce recycled plastics that are suitable for re - use in high - end applications, reducing the need for virgin plastic production.
5. Plastic Blown Film Extrusion
Blown film extrusion is used to produce plastic films, such as polyethylene films used for packaging, agricultural films, and industrial liners.
In this process, a tube of molten plastic is extruded and inflated with air to form a thin film. However, using air can introduce moisture and oxygen, which can affect the quality of the film. Our mobile nitrogen generators can be used to inflate the plastic tube with nitrogen instead of air.
Nitrogen provides a dry and oxygen - free environment, resulting in plastic films with better clarity, improved strength, and better barrier properties. For example, when making food packaging films, using nitrogen - inflated blown film extrusion can help to keep the food fresh for longer by preventing oxygen and moisture from entering the package.
Why Choose Our Mobile Nitrogen Generators?
Our mobile nitrogen generators are designed with the latest technology to ensure reliable and efficient nitrogen production. They are compact and easy to move around, which is very convenient for different production processes in the plastic industry. Whether you need to use nitrogen in a small - scale workshop or a large - scale manufacturing plant, our generators can be easily adjusted to meet your specific nitrogen requirements.
We also offer different models of nitrogen generators with various nitrogen purity levels. For applications where high - purity nitrogen is required, like in some high - end plastic products, we have generators that can produce nitrogen with a purity of up to 99.999%.
Moreover, our generators are energy - efficient, which helps to reduce your operating costs. They are also low - maintenance, with a long service life, ensuring that you can focus on your plastic production without worrying about frequent breakdowns or high maintenance costs.
Related Products
If you're interested in other types of nitrogen generators, we also have PSA Nitrogen Generator System, which is suitable for applications where a continuous and stable supply of nitrogen is needed. Our Nitrogen Generator for Food Packaging is specifically designed to meet the hygiene and purity requirements of the food packaging industry. And for the electronics manufacturing sector, our SMT Nitrogen Generator can provide the necessary nitrogen for soldering processes.
Contact Us for Purchase and Negotiation
If you're in the plastic industry and looking for a reliable mobile nitrogen generator, we'd love to hear from you. Our team of experts can help you choose the right generator for your specific needs, and we can also provide you with detailed information about the product, including pricing, installation, and after - sales service.
Don't hesitate to reach out to us if you have any questions or if you're interested in a purchase. We're committed to providing you with the best nitrogen generation solutions to improve your plastic manufacturing processes and product quality.
References
- "Plastics Processing Technology" - A comprehensive book on various plastic manufacturing processes.
- Industry reports on the application of nitrogen in the plastic industry.
- Technical documentation of our mobile nitrogen generators.




