Light Gray Opaque PETG PRO Excellent shade of gray for medical prototypes, technical parts , scale models , etc Prints with a gloss shine & no transparency like some other PETG products on the market. Check out our vast collection of 1.75mm filament sample coils. They are a great low cost opportunity to checkout new products or feed your 3D Pen / Printer. Sample coils are 50 grams and come bagged with a desiccant packet to ensure dryness. PETG is a newer printing filament and has the advantage of printing easily like PLA, but offering higher temp and impact resistance like ABS. Available in 1KG roll- Click HERE Also available in 3.5KG rolls- Click HERE Also available in PCTG! - Click HERE Nearly ZERO warpage prints , extremely strong layer bonds , little to no odor at all. Quality / Specs Print nozzle temp - 240 - 265C Heated Bed temp - 80c. +- 10c Diameter (volumetric variation XY combined) + - 0.02mm or better Roundness ( ovality ) + - 0.02 mm or better