some how many residues was not involved in the reaction of formaldehyde in and free formaldehyde volatile period for more than three years, as a result deck install combinations , the index of the national standard reference by European standard E1 acuities were 1.5 mg/L, this is a standard room.
The detection of formaldehyde release a quantity to all qualified 19 samples easy to installation groove composite deck , but there are some differences in concrete numerical value, which leaves and Oriental, best for 0.4 mg/L, or less FengLin highest, 1.06 mg/L. Merchants refuse to issue invoices solid mu fu joins a floor board dealer in the process of operation is generally not invoice internal timber composite floor sale ,
sampling process, the comparison experiment in addition to the leaf card solid mu fu joins a floor board outside the dealer is willing to draw up invoices online deck building calculator , the rest of the brand dealer shall refuse to issue invoices, eventually in the sampling personnel's insistence,