Specifications: Product Name：Soleyin Ultra PLA Tensile strength (X-Y)：45.482 Mpa Recommend Hotbed Temperature：45-60°C Certification：ROHS,REACH,MSDS Product Gross Weight：1.29Kg/2.8lb Flexural strength (X-Y):70.696 MPa Recommend Priting Temperature：190-230°C Density：1.25g/cm3 Elongation at break (X-Y)：12.897% Recommend Print Speed：30-300 mm/s Filament Diameter：1.75mm Packing Size：210*210*70mm Product Net Weight：1Kg/2.2lb Recommend Fan Speed：100% Recommend Print Surface：carbon crystalline silicon, PEI platform board .