TECH-G is a high strength PETG developed for design engineering and architectural use. It has full FDA approved raw polymer documentation and certification.PETG (polyethylene terephthalate) is an exciting filament gaining popularity for its low melting temperature combined with high strength and flexibility. Taulman's TECH-G was designed specifically for design engineering and architectural use, and offers even higher strength than other PETG filaments while providing limited elongation.Specifications: (when 3D Printed)- High Tensile Strength: 5900+ PSI- Low Elongation: 3%- Color: clear (colorless with no dyes added)- Odors: None- Transmission: 90%- FDA Approvals: FDA CFR 177.1315.- Opacity: 7%- Tg: 80C- True Diameter: 2.85mmPrint Settings- Print temp: 238C - 245C- Nozzle: any size- Print speed: ABS speeds, or slower for high detailed prints- Retraction: .5mm/.1mm nozzle (e.g., for a .5mm nozzle = 2.5mm)- Print bed: Glass heated to 45C with coat of PVA (NOTE: It is best "NOT" to let the bed cool to ambient, but only down to 35C in end of g-code. This will reduce glass breakage.)Tips for use with TECH-G- Users will want to make use of lower fans when printing PLA polymers.- The best printing surface for a glass finish is to print on heated glass at 72°C.- For a quick release print bed, users should apply a 50% PVA and 50% water wipe to glass heated to 45°C.- Printing temperatures vary slightly with nozzle size, but the average is 238°C.- When printed too at too high a temperature, there will be bubbles in the printed thread and if too cold, the thread will appear cloudy.
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