Polylactic acid (PLA) is a new bio-based and renewable biodegradable material made from starch derived from renewable plant resources such as maize and cassava. Glucose was obtained from starch by saccharification, and then lactic acid with high purity was fermented from glucose and certain strains, and then polylactic acid with certain molecular weight was synthesized by chemical synthesis. It has good biodegradability and can be completely degraded by microorganisms in nature under specific conditions after use, and eventually generate carbon dioxide and water. It does not pollute the environment, which is very beneficial to the protection of the environment and is recognized as environmentally friendly material.
ITEM | UNIT | REFERENCE INDEX |
Appearance | - | White or yellow cylindrical granules |
Particle Diameter | mm | 2~4 |
Density | g/cm3 | 1.25±0.05 |
Monomer | % | ≤1 |
Melt Index(190ºC 2.16kg) | g/10min | 1~30 |
Glass Transition Temperature | ºC | 58~60 |
Melting Point | ºC | ~160 |
Tensile Strength at Break | MPa | ~50 |
Tensile Modulus | GPa | 3.5~6.0 |
Impact Strength | J/m | 10~13 |
Properties | Unit | Test Standard | Data |
Density | g/cm3 | ASTM D-792 | 1.22-1.23 |
Melt Index (210ºC,2.16kg) | g/10min | ASTM D-1238 | 4.12 |
Melt Temperature | ºC | DSC | 170-190 |
Vicat Point A/120 | ºC | ASTM D-648 | 55 |
Tensile Strength | MPa | ASTM D-638 | 61 |
Flexural Strength | MPa | ASTM D-790 | 73 |
Elongation Break | % | ASTM D-638 | 22 |
Water Absorption | % | ASTM D-570 | <0.6 |
Impact Strength | KJ/m2 | ASTM D-256 | 8.8 |
Printing Temperature | ºC | DSC | 200-220 |
PLA downstream is mainly used in textile industry, plastic industry, agricultural plastic film, packaging materials, modern medical materials, 3D printin
25kg/ carton or 25kg/bag, or per your requirement
25kgs net weight in PP woven or PE plastic bag about 20 tons for 20" container
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