EN ISO 14116:2008

Protective clothing. Protection against heat and flame. Limited flame spread materials, material assemblies and clothing.

• Type 1:
  Flame Retardant Material: These materials do not ignite easily and exhibit self-extinguishing properties. They are designed to limit the spread of flame and provide the highest level of protection against flames.
• Type 2:
  Limited Flame Spread Material: Materials in this category may ignite but are characterized by a limited spread of flame. They provide a moderate level of protection and are suitable for situations where there is a risk of brief exposure to flames.
• Type 3:
  Flammable Material: These materials can ignite easily and may burn rapidly. They offer the lowest level of flame protection and are generally not suitable for use in environments where there is a significant risk of fire.