THIS INVENTION RELATES TO A PROCESS FOR PRODUCING COMPOSITE PARTICLE BOARDS FROM RICE HUSK. THE RICE HUSK IS CLEANED AND SPLIT AND THEN ADMIXED WITH A SUBSTANTIALLY FREE MOISTURE RESIN TO FORM A FURNISH. THE FURNISH IS SPREAD TO FORM A LAYER WHICH IS THEN SUBJECTED TO THE STEP OF HOT PRESSING AND COOLING. THE RESIN COMPRISES A CONDENSATION PRODUCT OF CASHEW NUT SHELL LIQUID AND/OR CARDANOL WITH PHENOL PARAFORMALDEHYDE AND ALKALINE CATALYSTS.