BS EN ISO 1043-4:2021

What is ISO 1043-4 about?  

ISO 1043-4 is part forth of the multi-series standard ISO 1043. ISO 1043-4 provides uniform symbols for flame retardants added to plastic materials. 

Who is ISO 1043-4 for? 

ISO 1043-4 on symbols and abbreviated terms is applicable to: 

• Plastic industry 
• Manufacturers of flame retardants 
• Manufacturers of industrial chemicals used in flame retardants 
• Chemical engineers 
• Fire safety departments 
• Certification bodies  

Why should you use ISO 1043-4?  

Flames retardants are chemicals that are applied to materials to prevent the start or slow the growth of a fire. They are widely used in many plastic products to improve their mechanical, thermal or electrical properties.  

ISO 1043-4 covers the format for application of symbols along with code numbers for flame retardants as per their chemical composition.  

With ISO 1043-4, you will be able to gain clarity on symbols and abbreviated terms used for flame retardants in the plastic industry, thereby eliminating misinterpretation or ambiguity amongst entities. As a result, you can grasp information with regards to flame retardants more accurately, enabling better decision making and communication.  

What’s changed since the last update?  

BS EN ISO 1043-4:2021 supersedes ISO 1043-4:1998. The key technical change includes the addition of code numbers 26, 27, 53, 54, and 55