SCHEDA TECNICA PER NATURPLA 305D® Poly (Lactic Acid) - Injection Grade ( white and tranparent)
| Processing temperature |
| Material temperature |
185℃ |
| Feed Zone |
20-40℃ |
| Zone1 |
150-160℃ |
| Zone2 |
160-170℃ |
| Zone3 |
170-175℃ |
| Nozzle |
165-170℃ |
| Mould |
10-12℃ |
| Back pressure |
Around 950 bars (max.1800bars) |
| Screw speed |
100-175rpm |
| Physical Properties |
ISO |
| Density |
1.20(±0.05) |
1183 |
| Melt Index(Mi),g*10min(190℃/2,16Kg) |
15-22 |
1133 |
| Optical properties |
Transparent |
| Melt temperature(℃) |
157-165 |
| Degradation temperature(℃) |
240-250 |
| Shrinkage |
0.04% |
| Mechanical Properties |
ISO |
| Tensile yield strength,MPa |
55 |
527 |
| Tensile yield elongation |
%2 |
527 |
| Tensile strength at break,MPa |
48 |
527 |
| Tensile elongation at break |
%3 |
527 |
| Tensile Moudulus,MPa |
3300 |
527 |
| Charpy Lmpact(non notched)4J,KJ/m2 |
%2 |
527 |
| Tensile strength at break,Mpa |
23 |
179 |
| ThermalPropertise |
ISO |
| HDT A(1.8Mpa), ℃ |
50 |
75-2 | |