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Carbon filament, ranked by £/kg

Every Carbon listing in our filament section on Amazon UK, ranked by £/kg. The brand comes from Amazon’s own listing data.

8 listings tracked, 7 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
High Speed Certified Food Grade PETG 3D Printer Filament - 60-600mm/s - Carbon	PETG	1 kg	★★★★½ 4.7 out of 5 (12 Amazon ratings)	£31.62	£31.62	37% below
Certified Food Grade Matte Pastel PETG 3D Printer Filament - Carbon by Comfy M	PETG	1 kg	★★★½☆ 3.4 out of 5 (20 Amazon ratings)	£31.66	£31.66	42% below
Certified Food Grade & ISO 10993 Biocompatible Skin Safe PETG 3D Printer Filam	PETG	1 kg	★★★★½ 4.6 out of 5 (94 Amazon ratings)	£41.74	£41.74	—
High Speed Certified Food Grade PLA+ 3D Printer Filament - 60-600mm/s - CARBON	PLA+	1 kg	★★★★½ 4.7 out of 5 (8 Amazon ratings)	£51.49	£51.49	—
High Speed Certified Food Grade PETG 3D Printer Filament - 60-600mm/s - CARBON	PETG	1 kg	★★★★½ 4.7 out of 5 (85 Amazon ratings)	£52.54	£52.54	—
Certified Food Grade Matte Pastel PETG 3D Printer Filament - CARBON by Comfy M	PETG	1 kg	★★★½☆ 3.4 out of 5 (20 Amazon ratings)	£55.26	£55.26	—
Certified Food Grade Matte Pastel PETG 3D Printer Filament - CARBON by Comfy M	PETG	1 kg	★★★½☆ 3.4 out of 5 (20 Amazon ratings)	£55.38	£55.38	—
High Speed Certified Food Grade PETG 3D Printer Filament - 60-600mm/s - Carbon	PETG	1 kg	★★★★½ 4.6 out of 5 (13 Amazon ratings)	—	—	—

Filament by brand

Guides

• Best PLA filament in the UK: how to choose
  The best PLA filament is the one that prints reliably at the lowest price per kilogram, not per spool. How to judge tolerance, spool type, refills and PLA+ before you buy.
• Carbon fibre filament explained: is it worth it?
  Carbon fibre filament is ordinary plastic filled with chopped carbon fibres. It prints stiffer and with a matte finish, but not necessarily stronger, and it needs a hardened nozzle.
• Does glow in the dark filament really work?
  Yes, with caveats the listings leave out. How bright it gets, how long it lasts, which colour glows best, how to print it for the strongest glow, and why it eats brass nozzles.
• Is PLA food safe? The plastic vs the print
  PLA as a plastic is used in food packaging, but a 3D printed PLA part is not certified food-safe. The real concerns are layer lines, the nozzle, additives and heat, and what people do about them.

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.