What are safety helmets made of?

Q: I’m a construction worker and I need to buy some PPE for my work, I’d like to know what are safety helmets made of.

– Alex Pieter

A: Safety helmets are often made of HDPE (high-density polyethylene), which is versatile and has good chemical and impact resistance. PP (Polypropylene) is the second most commonly used plastic in the world, it has good chemical and impact resistance and a high melting point.

Safety helmets, also known as hard hats, are typically made of materials that are durable, lightweight, and resistant to impacts, penetration, and electricity. Here are the most common materials:

  1. Shell: The outer shell of a safety helmet is usually made of a thermoplastic material like polyethylene, or a thermoset material like phenolic resin. These materials are chosen for their toughness, durability, and resistance to impact and penetration. They also resist degradation from UV light, which makes them suitable for outdoor use.
  2. Suspension System: The suspension system inside the helmet, which helps absorb the energy of an impact and distribute the force over a larger area, is typically made of nylon or polyester. This system usually includes a headband and straps that are adjustable for a comfortable and secure fit.
  3. Other Components: Other components, such as chin straps and sweatbands, can be made of various materials, including nylon, polypropylene, or foam.
  4. Electrical Insulation: Helmets designed to provide electrical insulation (Class E and G) are made of non-conductive materials.

Note that while these are the most common materials, the exact materials can vary depending on the specific helmet design, the intended use, and the manufacturer.

It’s also worth noting that safety helmets should be replaced regularly, as recommended by the manufacturer, even if they look undamaged. This is because the materials can degrade over time, particularly in harsh conditions, reducing the helmet’s protective capabilities.

Have a question about personal safety equipment, work clothes, PPE industry? Anbu Safety writer Arlen Wang will find answers to the queries. to submit a question send an email to: info@anbusafety.com

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