<p>Recently, the State Administration of Quality Supervision, the National Standards Committee revised the "interior decoration materials man-made board and its products in the formaldehyde release limit" national standards, modified formaldehyde test test method and its formaldehyde release limit,Kerusi roller untuk kupon dapur the implementation date of 2018 5 Month 1 day.The standard is the only mandatory national standard for wood-based panel and its products industry, which was first enacted in 2001.</p>
<P>The original standard will be divided into E1 and E2 formaldehyde release levels, E1 can be directly used for indoor wood-based panels, E2 is required to be treated after the floor for the use of wood-based panel, therefore, in the past China's highest environmental performance of man-made board formaldehyde Release limit for the E1 level,bistro lounge chair for sale the release of not more than 1.5 mg / cubic meter. The new standard eliminates the E2 level, leaving only E1 level, and increased formaldehyde release limit requirements. The provisions of formaldehyde release limit of 0.124 mg / cubic meter, limited logo E1.</P>
<P>The new standard also eliminates the original standard in the dryer method, perforation extraction formaldehyde emission limit value,small lounge chair outdoor formaldehyde emission test method unified as "1 cubic meter of the climate box method." "1 cubic meter of the climate box method" test duration of at least 10 days,Kerusi stack luar bangunan komersial in the constant temperature, constant humidity and constant air flow, starting from the first 7 days to determine. When the number of tests is more than 4 times, and the difference between the last two measurements is less than 5%, the average is taken as the measurement result. If the difference between the two measurements is greater than 5%, but also once a day. If there is no steady state within 28 days, the measured value for day 28 is used.</P>