... :China fir,keruing,okoume,bintangor,...A grade Product nameChina fir finger joint blockboardFace and backOkoume, bintangor,keruing, poplar, birch,red oak,ash ... > If put in boilding water for 48 hours, it still glue sticking and still formed.9> If used abide by illustration ... during construction process. Particular suiltable for watering concreate China fir finger joint blockboard