What is ISO 22007?

ISO 22007 is a multi-part international standard titled:

"Plastics — Determination of thermal conductivity and thermal diffusivity."

The standard outlines methods to measure how plastic materials conduct and respond to heat. It helps determine:

  1. Thermal Conductivity: How well heat is conducted through a material
  2. Thermal Diffusivity: How quickly a material can absorb and distribute heat

📘 ISO 22007 Series Includes:

  1. Part 1: General principles
  2. Part 2: Transient plane heat source (hot disc) method
  3. Part 3: Temperature wave analysis method
  4. Part 4: Laser flash method
  5. Part 5: Alternating current calorimetry method
  6. Part 6: Periodic heating (3ω) method

Each method is designed to accommodate different types of plastic materials, shapes, and testing conditions.

Why is ISO 22007 important?

Plastics are widely used in applications where thermal performance matters. Whether in electronics or packaging, choosing the right material requires quantitative thermal data.

ISO 22007 offers a scientific, repeatable, and globally recognized framework for:

  1. Material selection and validation
  2. R&D and innovation in polymer design
  3. Ensuring safety and functionality under thermal stress
  4. Supporting regulatory filings or certifications

For industries pushing the limits of engineering with polymers, this standard is essential for performance verification.

What are the benefits of ISO 22007?

By applying ISO 22007 testing methods, organizations benefit from:

  1. Precision Measurement: Accurately determine how plastics react to thermal loads
  2. R&D Validation: Use trusted data during material development or selection
  3. Global Compliance: Meet international technical and regulatory expectations
  4. Reduced Product Failure: Identify unsuitable materials early in development
  5. Standardized Reporting: Deliver uniform, auditable, and repeatable results across labs


What kind of businesses can benefit from ISO 22007?

Implementing or testing products using ISO 22007 delivers the following business advantages:

  1. Improved Product Safety

          Avoid overheating risks in electronics, packaging, or medical applications by selecting materials with known heat properties.

  1. Enhanced R&D Capabilities

          Support innovation with validated thermal data to engineer advanced plastic formulations.

  1. Reduced Warranty Claims

          By pre-evaluating materials under thermal stress, you reduce failure rates in end-use environments.

  1. Streamlined Certification Process

          Regulatory bodies trust ISO-based thermal testing—making certifications and compliance easier to obtain.

  1. Market Expansion

          Conformity with ISO standards opens doors to international markets with strict thermal safety requirements.

  1. Customer Confidence

          Offer performance guarantees backed by recognized testing methods.


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