... nameblockboardFace and backOkoume, bintangor,keruing, poplar, birch,red oak,ash,polyster,pine,pencilcedar, etccorepine,poplar,fir,hardwood,imported red hardwood, paulownia ... productions are suitable for the construction of viaduct and tall frame building.8> If put in boilding water for 48 hours ... process. Particular suiltable for watering concreate 1220x2440 1250x2500mm blockboard poplar,pine core