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ISO 13837:2021


ISO 13837:2021 Road vehicles — Safety glazing material

ISO 13837:2021 specifies the requirements for safety glazing materials used in road vehicles. This standard provides guidelines and specifications to ensure the safety and performance of glazing materials, such as windshields, side windows, and rear windows, in motor vehicles.

The standard covers various aspects of safety glazing materials, including:
  1. Impact Resistance: ISO 13837 sets out requirements for the ability of glazing materials to withstand impact without shattering into dangerous fragments. This includes testing for both the driver and passenger sides of the vehicle
  2. Fragmentation: The standard outlines criteria for the size and number of fragments that can be produced when the glazing material is broken. This is important to minimize the risk of injury in the event of an accident.
  3. Optical Quality: ISO 13837 also addresses the optical quality of glazing materials, ensuring that they do not significantly distort the driver’s or passenger’s view and do not create glare that could impair visibility.
  4. Durability: The standard includes tests to assess the durability of the glazing material under various environmental conditions, such as exposure to sunlight, humidity, and temperature changes.
  5. Marking: ISO 13837 specifies the information that should be marked on the glazing material, including manufacturer details, compliance information, and relevant symbols.
  6. Testing Procedures: The standard provides detailed procedures for testing glazing materials according to the specified requirements. This ensures consistent and reliable testing across different manufacturers and testing facilities.

Overall, the standard aims to enhance the safety of road vehicles by ensuring that the glazing materials used in them meet stringent performance and safety standards. Compliance with this standard can help reduce the risk of injuries to vehicle occupants in case of accidents and improve overall road safety.

Requirements of ISO 13837Road vehicles

ISO 13837:2021 specifies the requirements for safety glazing materials used in road vehicles. These requirements cover a range of aspects related to the safety and performance of glazing materials. Here are some key requirements of the standard:

  1. Impact Resistance: The glazing material should have sufficient impact resistance to prevent the formation of large, sharp fragments when broken. It should be able to withstand impacts from various objects without shattering into dangerous pieces.
  2. Fragmentation: When broken, the glazing material should not produce fragments that pose a significant risk of injury to vehicle occupants. The standard specifies limits on the size and number of fragments that are permissible upon breakage.
  3. Optical Quality: The glazing material should not cause significant distortion of the driver’s or passenger’s view and should not create glare that could impair visibility. It should maintain adequate optical quality to ensure safe driving conditions.
  4. Durability: The glazing material should be able to withstand environmental conditions like temperature changes, humidity, and exposure to sunlight without significant degradation of its properties over time.
  5. Marking: The glazing material should be marked with specific information, including the manufacturer’s details, relevant symbols, and compliance information to help identify its specifications and ensure traceability.
  1. Testing: ISO 13837 provides detailed testing procedures to evaluate the glazing material’s compliance with the specified requirements. These tests assess impact resistance, fragmentation, optical quality, and other relevant properties.
  2. Performance under Extreme Conditions: The glazing material should be tested for its performance under various conditions, including high and low temperatures, to ensure that it maintains its integrity and safety characteristics.
  3. Chemical Resistance: The glazing material should exhibit adequate resistance to chemicals commonly found in the vehicle environment, such as cleaning agents, fuels, and oils.
  4. Bonding and Attachment: The standard includes requirements for bonding and attaching glazing materials to the vehicle structure, ensuring that they are secure in place and do not detach easily during accidents.
  5. 10. Manufacturer’s Information: The manufacturer of the glazing material should provide documentation and information regarding its specifications, testing results, and compliance with the standard’s requirements.

Overall, It provides detailed technical specifications and testing methods for each of these requirements. Manufacturers, regulatory bodies, and testing laboratories refer to this standard to ensure that safety glazing materials used in road vehicles meet the necessary safety and performance criteria.

Benefits of ISO 13837:2021

Enhanced Vehicle Safety: The primary purpose of ISO 13837 is to improve the safety of road vehicles by setting stringent requirements for glazing materials. Compliance with the standard ensures that glazing materials are impact-resistant and minimize the risk of shattering into dangerous fragments upon breakage, reducing the likelihood of injuries to vehicle occupants.

Reduced Risk of Injury: The standard’s requirements for fragmentation address the potential hazard of sharp glass fragments causing injury in the event of a collision or accident. By mandating that glazing materials produce safe, small fragments or remain intact when broken, ISO 13837 helps mitigate the risk of cuts and injuries to occupants.

Improved Visibility and Driving Experience: ISO 13837 includes criteria for optical quality, ensuring that glazing materials do not distort the driver’s view and do not create glare that could impair visibility. This leads to better driving conditions and a more comfortable driving experience.

Consistency and Standardization: The standard provides a consistent framework for testing and evaluating safety glazing materials. This helps manufacturers ensure that their products meet consistent quality and safety standards

Regulatory Compliance: Regulatory bodies and authorities can reference ISO 13837 to establish safety requirements for glazing materials in vehicles. Compliance with the standard can help manufacturers demonstrate that their products meet regulatory mandates, simplifying the approval process.

Traceability and Documentation: Manufacturers need to provide specific markings and information on glazing materials according to the standard’s requirements. This improves traceability, allowing regulators, vehicle assemblers, and consumers to identify the type and specifications of glazing materials used in vehicles.


Long-Term Durability: ISO 13837 includes durability testing that assesses how glazing materials hold up against environmental factors, such as temperature variations and exposure to sunlight. This ensures that the glazing materials maintain their integrity and safety properties over time, contributing to the long-term safety of vehicles.

International Compatibility: ISO standards are popular globally, which facilitates consistency in safety requirements across different countries and regions. This is particularly important for vehicles manufacturers for international markets.

Consumer Confidence: Compliance with ISO 13837 demonstrates a commitment to safety and quality on the part of vehicle manufacturers and suppliers. This can also enhance consumer confidence in the safety of the vehicles they purchase.

Industry Best Practices: The standard reflects the collective knowledge and expertise of industry professionals, making it a valuable resource for manufacturers looking to implement best practices in glazing material design and production.

Overall, this standard plays a crucial role in improving the safety, quality, and performance of glazing materials used in road vehicles. Its requirements help prevent injuries, ensure consistent product quality, and contribute to the ongoing efforts to make vehicles safer for all road users.

Who needs ISO 13837:2021 Road vehicles

ISO 13837 is relevant to various stakeholders involved in the automotive industry, safety regulation, and vehicle manufacturing. Here are some of the key parties that need to consider and utilize this standard:

Vehicle Manufacturers: Vehicle manufacturers are one of the primary stakeholders who need to adhere to ISO 13837. They need to ensure that the glazing materials used in their vehicles comply with the standard’s requirements for impact resistance, fragmentation, optical quality, as well as other safety-related properties.

Automotive Suppliers: Suppliers of glazing materials, such as glass manufacturers and suppliers of laminated or tempered glass products, must also be aware of and adhere to the requirements of ISO 13837 to provide materials that meet safety standards.

Regulatory Authorities: Government regulatory bodies responsible for establishing vehicle safety standards and regulations can reference ISO 13837 as a basis for defining safety requirements related to glazing materials in road vehicles. Compliance with the standard can simplify the regulatory approval process for new vehicle models.

Testing Laboratories: Testing laboratories that evaluate glazing materials for compliance with safety standards can use ISO 13837 as a guideline for conducting the required tests. The standard provides specific testing methods and criteria for evaluating impact resistance, fragmentation, and other safety properties.

Vehicle Assemblers: Companies involved in assembling vehicles may need to verify that the glazing materials they are using comply with ISO 13837. This can involve ensuring proper markings, documentation, and verification of compliance from material suppliers.

Consumers: While not directly responsible for implementing the standard, consumers benefit from vehicles that adhere to ISO 13837. The standard’s requirements contribute to the safety and quality of the vehicles they drive or ride in, reducing the risk of injuries in the event of accidents.


Insurance Companies: Insurance companies may take vehicle safety standards, such as ISO 13837, into consideration when assessing the safety features of vehicles. Compliance with such standards could impact insurance rates and coverage.

Research and Development Teams: Engineers and researchers involved in the design and development of glazing materials and vehicle components need to be aware of ISO 13837 to ensure that their products meet safety requirements.

Academic Institutions: Academic institutions offering automotive engineering or related programs can use ISO 13837 as a reference for teaching students about vehicle safety as well as the standards that govern it.

In summary, ISO 13837 is relevant to a wide range of stakeholders within the automotive industry and beyond. Its requirements and guidelines help ensure the safety and quality of glazing materials used in road vehicles, contributing to improved vehicle safety and the overall well-being of road users.

Lastly, Pacific Certifications is accredited by ABIS If you need more support with ISO 13837:2021, please contact us at +91-8595603096 or support@pacificcert.com

Suggested Certifications –

  1. ISO 9001:2015
  2. ISO 14001:2015
  3. ISO 45001:2018
  4. ISO 22000:2018
  5. ISO 27001:2013

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