3D PRINTING OF PARTS FROM PET BOTTLE FILAMENT
Explore the possibilities of 3D printing with SMG 3DPrints, where we specialize in crafting 3D parts and models from PET bottle filament.
Our PET bottle filament is manufactured in-house through a comprehensive cycle.
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PET bottle filament is derived from polyethylene terephthalate (PET) plastic, commonly found in beverage bottles. This robust and recyclable plastic is repurposed specifically for 3D printing.
Key Stages in PET Bottle Filament Production using Extrusion Method:
- Gathering and collecting PET bottles for processing;
- Thoroughly cleaning and sorting PET bottles;
- Treating PET bottles before the cutting process;
- Precision cutting of PET bottles into strips;
- Processing cut PET strips through the extrusion method;
- Ensuring the quality of PET bottle filament;
- Connecting sections of PET bottle filament.
Advantages and Disadvantages of 3D Printing with PET Bottle Filament
Advantages:
- Sustainability: PET bottle filament promotes environmental sustainability by utilizing recycled materials, reducing plastic waste;
- Versatility: A versatile material suitable for a broad range of 3D printing applications, from prototypes to functional parts;
- Mechanical Strength and Wear Resistance: Exhibits robust mechanical strength, making it ideal for models requiring durability and wear resistance;
- Wide Availability: Easily accessible, with popularity leading to compatibility with various 3D printers;
- Heat Resistance: Known for heat resistance, enabling the creation of models that can withstand high temperatures.
Disadvantages:
- Limited Aesthetics: PET filament doesn’t offer the same color options and finishes as some other materials, limiting aesthetic possibilities;
- Flexibility: Susceptible to deformation during the printing process, especially for larger models. Proper bed adhesion and temperature control are necessary to mitigate this;
- Printing Speed: Achieving high printing speeds with PET bottle filament can be challenging. Adjustments to print settings are required for optimal results.
Technical Comparison of PET Bottle Filament with Other Materials:
| PLA | ABS | PETg | PET (PET Bottle Filament) | |
| Recycled Material Content | 55% | 65% | 67% | 100% |
| Elastic Modulus | 3120 MPa | 1900 MPa | 2020 MPa | 2300 MPa |
| Tensile Strength | 38 MPa | 44 MPa | 50.4 MPa | 57 MPa |
| Tensile Strain at Break | 19.5% | 9% | 22.7% | 370% |
| Yield Stress | 4.8% | 2.8% | 5.9% | 6% |
| Flexural Strength | N/A | 56 MPa | 69 MPa | 102 MPa |
