Sago hampas are a waste with high starch content. The from sago can be used as raw material for bioplastics. However, because bioplastics have lower heat resistance than conventional plastics, additives required to increase resistance. Aluminum oxide metal compound that acts an additive Bioplastics were created using weight percentage of 0, 1, 3, and 5% Al2O3. DTA was determine the melting poin...