English
Chinese
jerry@fulltrustplastic.com
+86 0573-82822319
Polylactic acid (PLA) is a new type of bio-based and renewable biodegradable material, which is made from starch raw materials proposed by renewable plant resources (such as corn, cassava, etc.).
Compared with polyethylene (PE), polyvinyl chloride (PVC), polypropylene (PP) and other materials, polylactic acid (PLA) has good biodegradability, excellent bacteriostasis and anti-mildew properties. The cold fresh meat is vacuum packed with PLLA - PVA-PCL composite film and packaging materials added with lactic acid streptococcin. The shelf life of the packaged meat is far longer than that of the PE fresh meat, and the meat keeps relatively good color and quality. Under different gas conditions, the test results of the effects of unpackaged, PLA modified atmosphere packaging, PE modified atmosphere packaging, PLA vacuum packaging and PE vacuum packaging on the preservation of carambola showed that the PLA film packaging bag could well preserve the appearance quality and nutritional components of carambola and prolong the shelf life of carambola.
|
Physical Properties |
Metric |
English |
Comments |
|
Density |
1.24 g/cc |
0.0448 lb/in³ |
Literature Value |
|
Melt Flow |
10 g/10 min |
10 g/10 min |
ISO 1133-A |
|
|
24 g/10 min |
24 g/10 min |
ISO 1133-A |
|
Mechanical Properties |
Metric |
English |
Comments |
|
Tensile Strength |
50.0 MPa |
7250 psi |
ISO 527-1 |
|
Elongation at Break |
<= 5.0 % |
<= 5.0 % |
ISO 527-1 |
|
Tensile Modulus |
3.50 GPa |
508 ksi |
ISO 527-1 |
|
Charpy Impact Unnotched |
<= 0.500 J/cm² |
<= 2.38 ft-lb/in² |
ISO 179-1eA |
|
Thermal Properties |
Metric |
English |
Comments |
|
Melting Point |
175 °C |
347 °F |
DSC |
|
Deflection Temperature at 0.46 MPa (66 psi) |
Amorphous; ISO 75-1 |
||
|
|
Crystalline; ISO 75-1 |
||
|
Glass Transition Temp, Tg |
DSC |
||
|
Processing Properties |
Metric |
English |
Comments |
|
Feed Temperature |
|
||
|
Nozzle Temperature |
|
||
|
Mold Temperature |
|
||
|
Dry Time |
|
||
|
Moisture Content |
<= 0.040 % |
<= 0.040 % |
Coulometric Karl-Fischer |
|
Back Pressure |
|
Name: Jerry Meng
Mobile：+86 18657312116
Tel：+86 0573-82822319
Whatsapp：+86-18657312116
Email：jerry@fulltrustplastic.com
Add：No. 100 Zhuyuan Road, Jiaxing, China
