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Grade: NL221
NL221 is a biodegradable heat-resistant material for 3D printing filament developed for FDM applications. Made mainly from PHA, PBS, PBAT, and inorganic powder, it combines strong toughness, good printability, and heat resistance above 95°C without post-crystallization.
For companies seeking biodegradable 3D printing filament, heat resistant 3D printing filament, or FDM 3D printing materials, NL221 offers a practical solution for sustainable filament development and consumer product applications.
NL221 is suitable for home composting environments and can also be used in food-contact related applications, making it a strong choice for brands focused on performance and sustainability.
NL221 can be processed using standard filament extrusion equipment. A water bath length of 3–5 meters is recommended, with water temperature controlled at 40–60°C.
The material is pre-dried before shipment and usually does not require drying before processing. However, if the package remains open for more than 4 hours without proper sealing, redrying at 80°C for 4 hours is recommended. Moisture content should be controlled below 300 ppm.
To reduce thermal degradation, the melt residence time should be kept under 2 minutes, and the maximum processing temperature should not exceed 180°C. An inverted temperature profile is recommended to improve melt strength during extrusion.
Because the material has relatively high shrinkage, the filament diameter is recommended to be controlled near the upper limit of 1.75 ± 0.03 mm. PP or LDPE can be used for purging before and after production.
NL221 filament is compatible with most FDM 3D printers. Printers with auto bed leveling and dynamic flow calibration are recommended for better print stability.
For large or tall parts, enclosed printers with thermal insulation are preferred to improve shrinkage control and reduce warping. Solid prints are not recommended, as higher infill can increase deformation risk. An infill density of 10% or less is suggested.
If filament is left unsealed for more than 3 days after opening, redrying at 70–80°C for 4–6 hours is recommended before printing.
For customers exploring home compostable materials for 3D printing, NL221 provides a balanced combination of sustainability, heat resistance, and processing performance.
During handling and loading, avoid sharp tools and do not throw or drop the packaging. Protect the material from rain, moisture, and direct sunlight during transportation.
Store in a clean, dry, and well-ventilated warehouse with proper fire protection facilities. Keep away from heat sources and avoid outdoor storage. Any unused material should be heat-sealed after opening.
All values listed above are typical data for reference only and should not be interpreted as guaranteed specifications. Customers should carry out their own testing and validation based on equipment, processing conditions, and final application requirements.
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Main Product:
Epoxidized vegetable oil,
bio-based plastics,
bio-based chemical additives ,
biodegradable plastics,
eco-friendly plastics,
Epoxidized vegetable oil
