CZ02 Formaldehyde, Benzene & TVOC Removal Test Summary

OH-Feel CZ Series CZ02

Guangdong Detection Center of Microbiology (GDDCM)

Standard: QB/T 2761-2006

Test Chamber: 1.5 m³

Report No.: 2020FM11788R02D

1. Testing Facility Credibility

The Guangdong Detection Center of Microbiology (GDDCM) is a nationally recognized testing laboratory in China specializing in chemical pollutant analysis, microbiological safety, and indoor air quality evaluation.

It is widely used for independent third-party verification of air purification systems.

2. Description of the Test

  • Standard Used: QB/T 2761-2006 (Air purifier chemical removal test standard)
  • Device Tested: OH-FEEL Hydroxyl Air Protection System (Model: CZ02, representative of CZ series variants)
  • Test Chamber Volume: 1.5 m³
  • Pollutants Tested: Formaldehyde, Benzene, Total Volatile Organic Compounds (TVOC)
  • Exposure Duration: 12 hours
  • Comparison Method: Pollutant concentration after 24 hours in a blank cabin compared with an OH-FEEL operating cabin

3. Key Results

Formaldehyde:

  • Blank cabin concentration: 1.28 mg/m³
  • Test cabin concentration: 0.590 mg/m³
  • Reduction rate: 53.9%

Benzene:

  • Blank cabin concentration: 0.826 mg/m³
  • Test cabin concentration: 0.325 mg/m³
  • Reduction rate: 60.7%

Total Volatile Organic Compounds (TVOC):

  • Blank cabin concentration: 4.82 mg/m³
  • Test cabin concentration: 2.03 mg/m³
  • Reduction rate: 57.9%

4. Summary Statement

Testing performed by the Guangdong Detection Center of Microbiology confirms that the OH-FEEL Hydroxyl Air Protection System significantly reduces indoor chemical pollutants, including formaldehyde, benzene, and total volatile organic compounds (TVOCs), in a sealed 1.5 m³ chamber over a 12-hour operating period.

These results demonstrate effective breakdown of harmful chemical gases using hydroxyl radical oxidation and support the OH-FEEL system’s role in improving indoor air quality.

Report Issue Date: 2020-07-09

This summary is provided for clarity. For full data, measurements, and detailed methodology, please refer to the original chemical pollutant laboratory test report.

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