Traditional Culture Encyclopedia - Hotel franchise - How about Perkin floor? What does e 1 mean?
How about Perkin floor? What does e 1 mean?
Not bad, one of the top ten brands.
E0, E 1, E2 all refer to an environmental protection standard of formaldehyde emission limit level, E2(≤5.0mg/L), E 1(≤ 1.5mg/L), E0(≤0.5mg/L),
E 1 is the minimum standard for plates to enter the environmental protection market stipulated by the state.
E2 is unqualified,
E0 is the top environmental protection standard.
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