Differential Permeation. Applied to returning you home safely.

Science has the power to change the world, solve the toughest problems and shape the future. But science is just science, until you apply it to something. Make it do something, change something. No one knows this better than 3M. The average person uses 3M science many times a day and doesn’t even know it. But it is everywhere, supporting 46 separate technology platforms and continuously driving our innovations. No other company uses science like we do. That’s 3M Science. Applied to life.™

At 3M we have a select and high quality range of Coveralls, which provide protection against many hazards. The 3M range of Protective Apparel offers a variety of features, from the use of fabrics with specialist treatments for enhanced wear and added protection, to breathable back panels for increased comfort. Our experts can work closely with you, to help you identify hazards and best protect your workers against them.

When should I retire my equipment?

A product must be retired when:

• It is over 10 years old and made of plastic or textiles
• It has been subjected to a major fall or load
• It fails to pass inspection
• Its reliability is in question
• Its entire history is not known (e.g. found or second-hand product)
• When it becomes obsolete due to changes in legislation, standards, technique or incompatibility with other equipment, etc.

Source: https://www.petzl.com/INT/en/Sport/FAQ/when-should-i-retire-my-equipment