Japan has a Third Party certification called 4 VOC.
This certification carries out relevant tests on Toluene, xylene, ethylbenzene, and styrene, and sets benchmark values.
The benchmark values were Toluene-38 μg/m2h, xylene-120 μg/m2h, ethylbenzene-550 μg/m2h, and styrene-32 μg/m2h.
The Testing Standard used is Japan's local national standard (JIS).
Does the certification meet the requirements?
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