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F4 Star Certificate
Update Time2019-08-21
F four-star standard certification is the highest among the four grades of Japanese "F series" standard. From the limit value of formaldehyde emission of 0.3 mg/L, it is further than E0 standard of 0.5 mg/L. Its core lies in the content and release standard of formaldehyde.
F4 Star Certificate
  • Period:
  • 2018-12-21 - 2023-12-20
  • Certification bodies:
  • Japan“F” Series Certification Center