Compostable® 4008D
- Chemical Family
- PolyestersPolylactic Acid (PLA)Starches
Compostable® 4008D Polylactic acid. It is BPI certified for industrial compostability at maximum of 3.0 mil thickness. It is starch-based and gluten-free, made from corn, tapioca and potato starches that primarily come from the American Midwest (versus oil from the Middle East).
Properties
- Physical Form
- Pellets
- Solid
Product families
Applications
- Printing & Packaging — Other Printing & Packaging Applications
- Food & Beverage Packaging
- Industrial & Transport Packaging
- Non-Food Consumer Packaging
Product Families
- Biodegradable Polymers
- Polyesters & Copolyesters
Other characteristics
- Brand
- Compostable
- Polymer Name
- Polylactic Acid (PLA)
- Labeling Claims
- Bio-based, Biodegradable, Gluten-free
- Bio-based
- Biodegradable
- Gluten-free
- Processing Methods
- Extrusion
- Markets
- Printing & Packaging
- Features
It has been designed to have an excellent balance of strength, toughness and processability. Can be processed on existing sheet extrusion machines. It is recommended for paper extrusion coating to replace LDPE coated paper applications including cups, plates, containers, wraps, and similar applications.; Strength, High; Processability, Good; Biodegradable; Compostable; Toughness, Ultra High; Renewable Resource Content
- Bio Based
- Yes
- Technology
- Plastics
- Biodegradable
- Yes
- Certification
- BPI certified
- Material Features
- Biodegradable
- Compostable
- Good Processability
- Good Toughness
- Renewable Resource Content
- Plastics and Elastomers End Uses
- Containers
- Cups
- Food Wrap
- Heavy Duty Bags
- Plastics and Elastomers Functions
- Resin
- Plastics and Elastomers Processing Methods
- Extrusion
- Bio Based Content (corn, tapioca and potato starches)
- 84.0%
Technical data
Table 1 of 3
3 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index 190°C/2.16 kg) | 5.5 | g/10min | ASTM D1238 |
| Specific Gravity (Method A) | 70.5 | lb/cu ft | ASTM D 792 |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index 210°C/2.16 kg) | 38.2 | g/10min | ASTM D1238 |
Table 2 of 3
5 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Tensile Strength | max. 7900 | psi | ASTM D 638 |
| Tensile Elongation (at Break) | 4.0 | % | ASTM D 638 |
| Tensile Modulus | 453.0 | kpsi | ASTM D 638 |
| Flexural Modulus | 380.0 | kpsi | ASTM D 790 |
| Flexural Strength | 11400.0 | psi | ASTM D 790 |
Table 3 of 3
10 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Gardner Impact | 10.0 | in-lbf | ASTM D 5420 |
| Die Temperature | 300-355 | °F | — |
| Feed Zone | 350 - 400 | °F | — |
| Adapter Temperature | 390 - 430 | °F | — |
| Middle Zone | 390 - 430 | °F | — |
| Melt Temperature | 300-355 | °F | — |
| Front Zone | 160 - 180 | °F | — |
| Drying Temperature | 390 - 430 | °F | — |
| Drying Time | 4.0 | hr | — |
| Screw Speed | 20 - 120 | rpm | — |
