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Month: March 2018

Extrusion metal

Aluminum Extrusion: Staying Cool with Nitrogen

  • By : PureAire Monitoring Systems
  • Posted on : March 14, 2018

Aluminum is a highly malleable material, which is readily shaped for any number of purposes. The aluminum extrusion process is key to shaping aluminum, and it must be completed in an inert environment to reduce the formation of oxides. Learn why this is important and how facilities can reduce the risks of health hazards in […]


How Do Potato Chips Stay So Fresh In The Bag?

  • By : PureAire Monitoring Systems
  • Posted on : March 06, 2018

Chip bags have all that air in them for a valid reason — and it’s not air, anyway, it’s nitrogen gas. So what is this gas doing in your bag of crisps? First, the gas acts as a preservative so your chips are as crispy when you open the bag as the day they were […]