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โครงการรวบรวมและจัดทําวารสารอิเล็กทรอนิกส์ มหาวิทยาลัยเกษตรศาสตร์
                 98                        Thai J. For. 34 (1) : 87-100 (2015)



                 Table 7  Comparison of method to evaluation of formaldehyde emission in particleboard.

                                                                Detail
                     Method                   Sample loading           German
                                  Standard                  Class                        Souce
                                                  factor             Regulations
                                                2
                 Chamber        EN 717-1     1 m /m 3        E1 < 0.1 ppm          Roffael, 2006
                 Gas analysis   EN 717-2     0.4 x 0.05 m    E1 < 3.5 mg/h*m 2
                 Flask method   EN 717-3     0.025 x 0.025 m,   E1 no official limit or  Sundman et al., 2007
                                             20 g                4 mg/kg dry board
                 Desiccator     JIS A 1460   0.18 m 2        F** < 1.5 mg/l (average) Roffael, 2006 and
                                                                 2.1 mg/l (maximum) Eom et al., 2006
                 Perforator     EN 120       0.025 x 0.025 m,   E1 < 6.5 mg/100 g  Roffael, 2006 and
                                                                                   Eom et al., 2006
                                             110 g
 Figure 6 Water absorption and thickness swelling of particleboard with varied content of bamboo charcoal as additives.
                                                              -
                                                                 0.09 ppm for PB
                                                                                   Salem et al., 2012
                 CARB (Phase II) ASTM E1333 or -
                                ASTM D6007
                 Remarks: AD = Apparent Density, MC = Moisture Content


































                  Figure 7 Formaldehyde emission of particleboard with varied content of bamboo charcoal as
                         Additives.
       Figure 7 Formaldehyde emission of particleboard with varied content of bamboo charcoal as Additives.
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