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>BSI Standards >31 ELECTRONICS>31.180 Printed circuits and boards>BS EN IEC 61249-2-53:2025 Materials for printed boards and other interconnecting structures Reinforced base materials clad and unclad — PTFE unfilled laminate sheets of defined flammability (vertical burning test), copper-clad
immediate downloadReleased: 2025-12-02
BS EN IEC 61249-2-53:2025 Materials for printed boards and other interconnecting structures Reinforced base materials clad and unclad — PTFE unfilled laminate sheets of defined flammability (vertical burning test), copper-clad

BS EN IEC 61249-2-53:2025

Materials for printed boards and other interconnecting structures Reinforced base materials clad and unclad — PTFE unfilled laminate sheets of defined flammability (vertical burning test), copper-clad

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Standard number:BS EN IEC 61249-2-53:2025
Pages:26
Released:2025-12-02
ISBN:978 0 539 29060 8
Status:Standard
BS EN IEC 61249-2-53:2025 - PTFE Unfilled Laminate Sheets

BS EN IEC 61249-2-53:2025 - PTFE Unfilled Laminate Sheets

Introducing the BS EN IEC 61249-2-53:2025, a comprehensive standard that sets the benchmark for materials used in printed boards and other interconnecting structures. This standard specifically focuses on reinforced base materials, both clad and unclad, with an emphasis on PTFE unfilled laminate sheets that are copper-clad and have defined flammability characteristics, as determined by the vertical burning test.

Key Features

  • Standard Number: BS EN IEC 61249-2-53:2025
  • Pages: 26
  • Release Date: December 2, 2025
  • ISBN: 978 0 539 29060 8
  • Status: Standard

Overview

This standard is essential for professionals in the electronics and manufacturing industries, providing detailed guidelines and specifications for PTFE unfilled laminate sheets. These materials are crucial for the production of high-quality printed circuit boards (PCBs) and other interconnecting structures, ensuring reliability and performance in various applications.

Material Composition

The PTFE unfilled laminate sheets covered by this standard are known for their exceptional properties, including:

  • High Thermal Resistance: PTFE materials are renowned for their ability to withstand high temperatures, making them ideal for use in environments where heat resistance is critical.
  • Excellent Electrical Insulation: The dielectric properties of PTFE make it an excellent choice for electrical insulation, ensuring minimal signal loss and interference.
  • Chemical Inertness: PTFE is highly resistant to chemical reactions, providing durability and longevity in harsh environments.
  • Low Friction: The low friction coefficient of PTFE reduces wear and tear, enhancing the lifespan of the materials.

Flammability Characteristics

One of the critical aspects of this standard is the defined flammability of the PTFE unfilled laminate sheets. The vertical burning test ensures that these materials meet stringent safety requirements, providing peace of mind in applications where fire resistance is paramount.

Applications

The BS EN IEC 61249-2-53:2025 standard is applicable to a wide range of industries and applications, including:

  • Electronics Manufacturing: Essential for the production of PCBs used in consumer electronics, telecommunications, and computing devices.
  • Automotive Industry: Used in the development of electronic control units (ECUs) and other automotive electronics that require high reliability and performance.
  • Aerospace and Defense: Critical for the production of avionics and defense systems where safety and durability are non-negotiable.
  • Medical Devices: Ensures the reliability and safety of electronic components used in medical equipment.

Why Choose BS EN IEC 61249-2-53:2025?

Adopting the BS EN IEC 61249-2-53:2025 standard offers numerous benefits, including:

  • Compliance: Ensures that your products meet international safety and quality standards, facilitating market access and acceptance.
  • Quality Assurance: Provides a framework for consistent quality in the production of PTFE unfilled laminate sheets, enhancing product reliability.
  • Innovation: Supports the development of cutting-edge technologies by providing a solid foundation for material selection and design.
  • Competitive Advantage: Demonstrates a commitment to excellence and safety, setting your products apart in a competitive market.

Conclusion

The BS EN IEC 61249-2-53:2025 standard is an indispensable resource for professionals involved in the design, production, and application of printed boards and interconnecting structures. By adhering to this standard, you ensure that your products are built to the highest quality and safety standards, meeting the demands of today's fast-paced and ever-evolving technological landscape.

Invest in the future of your products and your business by embracing the guidelines set forth in the BS EN IEC 61249-2-53:2025 standard. With its focus on PTFE unfilled laminate sheets and their defined flammability, this standard is your key to unlocking new opportunities and achieving unparalleled success in your industry.

DESCRIPTION

BS EN IEC 61249-2-53:2025


This standard BS EN IEC 61249-2-53:2025 Materials for printed boards and other interconnecting structures is classified in these ICS categories:
  • 31.180 Printed circuits and boards
IEC 61249-2-53:2025 specifies requirements for properties of PTFE unfilled reinforced laminated sheet of a thickness 0,05 mm up to 10,0 mm of defined flammability (vertical burning test), copper-clad. This part of IEC 61249 is applicable to the design, manufacture, use of PTFE unfilled reinforced laminated sheet of defined flammability (vertical burning test), copper-clad. Its flame resistance is defined in terms of the flammability requirements of 8.4.