Durability of PCTG Enhanced by the Advantages of Glass Fiber
The potential of highly impact-resistant PCTG inspired us to develop another composite based on this copolyester – Spectrum PCTG GF10. The use of glass fiber reinforcement has resulted in a highly durable filament with an interestingly matte surface finish.
When designing the composite, we focused primarily on reducing the abrasiveness of the glass fibers, which is typical for this type of filler. For this reason, functionalized glass fibers with less aggressive geometry were used, reducing the wear on the printer nozzle.
Spectrum PCTG GF10 is a technical filament with high stiffness and hardness. Thanks to its extremely high interlayer adhesion and low shrinkage, it allows even moderately advanced users to perform large-scale prints.
Additionally, glass fibers give prints a distinctive texture which, besides clear aesthetic value, also translates into improved usability. Models made from Spectrum PCTG GF10 can be used wherever increased grip, resistance to cyclic loading, and chemical resistance are important.
Key features:
- 10% glass fiber - HDT heat resistance – 78"C - softening point – 77"C - high stiffness and tensile strength - good impact resistance - high surface quality after printing - good corrosion resistance - chemical resistance - good chemical resistance and electrical and thermal insulation - high dimensional accuracy of printed parts
Applications:
- visual and functional prototyping - production of safety equipment, covers, and housings - electrical safety components - conceptual models - production of parts exposed to chemical agents - production of tools and equipment
Filament specifications:
- filament diameter: 1.75mm / 2.85mm - extrusion temperature: 250–270"C - bed temperature: >50"C - print speed: 30–80mm/s
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