Key Definitions

1. Dry Microbial Penetration: The transfer of microorganisms via air currents or mechanical forces acting on dry particles or dust.
2. Carrier Material: Artificial or biological material (usually talc or Bacillus spores) used to simulate airborne microbial contamination.
3. Challenge Organism: Bacillus subtilis spores used for testing, chosen for their resistance and size similarity to real airborne pathogens.
4. Penetration Resistance: The material’s ability to prevent microbes from passing through in dry form, simulating airborne exposure conditions.

If you need help understanding ISO 22612 terms and test configurations, contact us at support@demo.pacificcert.com

Clause-wise Structure of ISO 22612

What are the requirements of ISO 22612?

To apply ISO 22612 for testing protective clothing:

1. Prepare standardized fabric samples and condition them under specified temperature/humidity.
2. Use Bacillus subtilis spores as the microbial challenge with an appropriate dry carrier (e.g talc).
3. Place samples in the test chamber where airflow is forced through the material, simulating particle-laden air.
4. Collect penetrated microbes on nutrient agar or collection media placed behind the test fabric.
5. Incubate, count colonies, and determine penetration performance.
6. Perform multiple trials for statistical significance.

If you are planning to test medical or lab clothing under this standard, contact us at support@demo.pacificcert.com

Documentation Required

• Sample identification records
• Fabric specifications and composition
• Microbial strain and culture certificate (Bacillus subtilis)
• Environmental controls (humidity/temperature logs)
• Equipment calibration records (air pump, timers, etc.)
• Colony-forming unit (CFU) test data and photos
• Raw and averaged test results
• Full ISO 22612-compliant test report
• Declaration of Conformity (DoC) if used in regulated markets

If you need help compiling test documentation for ISO certification, contact us at support@demo.pacificcert.com.

What are the benefits of ISO 22612?

• Confirms clothing can prevent dry microbial transfer in healthcare and lab settings.
• Supports broader certification to standards like EN 14126 and ISO 16604.
• Aligns with EU PPE Regulation and WHO infection control guidelines.
• Demonstrates compliance with tender and procurement requirements for hospitals and biosafety labs.
• Strengthens claims for sterile or high-performance bio-barrier clothing.
• Useful for evaluating and improving new material designs in PPE development.

The demand for ISO 22612-tested protective clothing is increasing sharply due to ongoing preparedness for infectious disease outbreaks, such as COVID-19 variants and other airborne pathogens. Hospitals, pharmaceutical manufacturers, and global health organizations are strengthening PPE validation frameworks to ensure garments protect against both wet and dry microbial threats.

There is also growing emphasis on ISO-compliant multilayer fabric systems, nanomaterial coatings, and biodegradable protective garments. ISO 22612 testing, along with related standards like ISO 22610 and ISO 16603/16604, is increasingly used in regulatory submissions, R&D and procurement documentation in high-risk environments.

If your organization requires PPE validation aligned with ISO 22612, contact us at support@demo.pacificcert.com

How can Pacific Certifications help?

Pacific Certifications, accredited by ABIS, offers independent product certification services for protective clothing and PPE standards, including ISO 22612:2005.

We assist with:

• Coordinating product testing at ISO/IEC 17025-accredited labs
• Reviewing technical documentation and test results
• Issuing conformity certificates for regulatory or tender compliance
• Supporting CE marking and global acceptance (where applicable)
• Auditing manufacturing processes if required by client or regulatory bodies

If you are looking for ISO 22612 testing and certification, contact us at support@demo.pacificcert.com