High durability and rough surface PLA is always the most popular among FDM technology users thanks to its exceptionally easy printing. The drawback of conventional PLA-based filaments is their relatively low heat resistance, often reaching only 50–60 "C in non-crystallized prints, which significantly limits their practical use. As a result of several months of implementation testing, a new filament Spectrum GreenyHT was developed based on a high-performance biopolymer with a softening temperature up to 100 "C and heat resistance up to 90 "C. Besides improving thermal properties, the original mechanical properties of the plastic were maintained, so Spectrum GreenyHT contains no plasticizers. It also significantly exceeds classic PLA grades in stiffness and hardness. Despite modifications, Spectrum GreenyHT remains fully biodegradable and compostable under industrial conditions defined by the EN 13432 standard. Its biobase comes from non-GMO sources. The material also meets food contact requirements. Furthermore, the Spectrum GreenyHT filament visually features a rough surface. The surface irregularity and matte appearance effectively mask layers and significantly increase the aesthetic value of printed models.
Spectrum GreenyHT™ filament is intended for users who demand easy printing with increased heat resistance, high stiffness, and a matte, rough surface.
Key features:
- Softening point up to 100"C
- Heat resistance up to 90"C
- Rough matte print surface
- Plasticizer-free
- Biodegradable and compostable
- Base material approved for food contact
- Increased stiffness and hardness
- Can be printed on desktop printers without heated chamber
Applications:
- Functional prototypes for demonstration purposes
- Industrial design and 3D graphic prototyping
- Modeling and art
Filament specifications:
- Filament diameter: 1.75mm / 2.85mm
- Extrusion temperature: 190–220"C
- Bed temperature: 60–80"C
- Printing speed: 30–100 mm/s
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