... Centigrade and frost-resistant is minus 20 degrees Centigrade .Suitable for hot or cold food.4. Can be recycled and ... materials such as cornsharch,PLA,PBS,PHBV,PCL and modified tapioca into bio-based products.They are safe and sanitary , ... of biodegradable: Certification:FDA,SGS,ASTM D 6866 ,QS,ISO Starch-based Dinnerware, Biodegradable Tableware, Biodegradable Container, Food Packaging, Dinner ...