The best formula to make the lowest swelling is the ratio per weight between the sawdust and 2 layers film at 40:60,200° C, for 13 minutes =0.40 %. Results of the water absorption at 2 hr and 24 hr found the best formula to make the lowest water absorption is the ratio per weight between the sawdust and 2 layers film at 40:60,200° C, for 15 minutes =16.41 % and 26.73% respectively.