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Plastics Processing

Blow Molding

Air Products’ engineers can work with you to understand your blow molding processes and implement tailored systems to meet your specific needs. We can provide a variety of technical services, gas-based solutions, and a full line of industrial gases—including nitrogen and fluorine mixtures for small and large volume users. From nitrogen as a cooling and blowing agent to deflashing systems that use liquid nitrogen, our offerings can help you reduce cycle time, increase productivity and lower costs. Plus, our engineers can recommend improvements to help you optimize gas use and improve product quality.

Other Applications

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Product NameDescription/BenefitsDownloads
Gases

Fluorine Mixtures

Virtually all plastic surfaces can be treated with fluorine and nitrogen mixtures -- from hollow bodies and shaped parts to fibers, composites, films and foams. Advantages of fluorination surface treatment compared to common pre-treatment methods include easier process control that can be reproduced, longer lasting preliminary treatment and reduced solvent and chemical permeation.

Virtually all plastic surfaces can be treated with fluorine and nitrogen mixtures -- from hollow bodies and shaped parts to fibers, composites, films and foams. Advantages of fluorination surface treatment compared to common pre-treatment methods include easier process control that can be reproduced, longer lasting preliminary treatment and reduced solvent and chemical permeation.

Nitrogen

Nitrogen can be used as a cooling and blowing agent in blow molding applications. Replacing air with nitrogen can help you reduce cycle time per mold, resulting in a more efficient heat transfer compared to air cooling. Plus it can allow you to eliminate the need for compressed air, improve dimensional stability of the molded parts and enhance weld strength. It is especially suitable for thick walled parts with long cycle time. Liquid nitrogen can help you increase productivity without sacrificing product performance of dimensional quality.

Nitrogen can be used as a cooling and blowing agent in blow molding applications. Replacing air with nitrogen can help you reduce cycle time per mold, resulting in a more efficient heat transfer compared to air cooling. Plus it can allow you to eliminate the need for compressed air, improve dimensional stability of the molded parts and enhance weld strength. It is especially suitable for thick walled parts with long cycle time. Liquid nitrogen can help you increase productivity without sacrificing product performance of dimensional quality.

Cryogenic Grinding Systems

We can provide full systems or component parts, including flow controls, control panels, cooling conveyor and tunnel freezers. Our systems use liquid nitrogen to cool and control the temperature of your product or mill so you can grind more efficiently in an inert atmosphere. They can help you increase production rates, improve product quality, achieve finer particle size and more uniform particle distribution, facilitate difficult material separation and prevent explosion. Our cryogenic specialists can help you determine which system is best for your operation based on your current system, the material you process and your goals.

We can provide full systems or component parts, including flow controls, control panels, cooling conveyor and tunnel freezers. Our systems use liquid nitrogen to cool and control the temperature of your product or mill so you can grind more efficiently in an inert atmosphere. They can help you increase production rates, improve product quality, achieve finer particle size and more uniform particle distribution, facilitate difficult material separation and prevent explosion. Our cryogenic specialists can help you determine which system is best for your operation based on your current system, the material you process and your goals.

Deflashing Systems

Our systems use liquid nitrogen as a refrigerant, for lower costs, shorter cycle times and improved part quality. Our deflashing specialists can help you design, install and support a system to meet your needs, whether you simply need cooling or a full system.

Our systems use liquid nitrogen as a refrigerant, for lower costs, shorter cycle times and improved part quality. Our deflashing specialists can help you design, install and support a system to meet your needs, whether you simply need cooling or a full system.

Consulting Services

With decades of laboratory and plant experience in cryogenics, our experienced staff can help you identify areas for potential improvements and recommend solutions that can help you improve your operation's efficiency, safety and profitability. We can run your product on production-scale equipment at our trial facility to determine the feasibility of using cryogenics in your process and help you quantify the benefits versus the cost.

With decades of laboratory and plant experience in cryogenics, our experienced staff can help you identify areas for potential improvements and recommend solutions that can help you improve your operation's efficiency, safety and profitability. We can run your product on production-scale equipment at our trial facility to determine the feasibility of using cryogenics in your process and help you quantify the benefits versus the cost.

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