the free formaldehyde

Posted by Liu Er over 6 months ago

aggrandizement wood floor in, the free formaldehyde that remains in adhesive is met to all round release gradually in air. Determine at present the method that single composite white fence pickets the formaldehyde in plank releases a quantity has perforative law, gas to analyse law, desiccator law and test room way. Level of our country state determines to what formaldehyde releases a quantity used method is perforative law, it is its cent two level, a kind non slip outdoor stair treads for wood stipulate the value is: 9 ｍ of ≤ 100 ｇ of ｇ ／ ; B kind for: 9 ｍ of ＞ 40 ｍ of ｇ ～ 100 ｇ of ｇ ／ . World each country is the biggest to yard place allow formaldehyde chroma to set the ～ thatcost of filling a 24 ft. round area with pavers it is １ for the most part ｍ of 2 ｐ ｐ , a few countries of European will be indoor allow formaldehyde pH indicator regulation of the greatest limiting value is 0. １ ～ 0. ｍ of 15 ｐ ｐ . According to the country man-made board quality is supervised examine since the center detects for a long time, the formaldehyde that the paved under second story deck ideas aggrandizement wood floor of different to tens of planting brand uses perforative law and １ M3 to test room standard is worth great majority to be in 0. ｍ of ／ of 8 ｍ ｇ 3 the following, accord with our country Ministry of