Material comparison
PETG vs ASA
How PETG and ASA compare on strength, heat, ease of printing and price, and the cheapest reels of each in stock on Amazon UK and Eryone UK.
- typical PETG
- £12.99/kg
- typical ASA
- £17.99/kg
- cheaper right now
- PETG
PETG vs ASA at a glance
| Property | PETG | ASA |
|---|---|---|
| Nozzle | 230-260°C | 240-270°C |
| Bed | 65-85°C | 90-110°C |
| Enclosure | Helps | Required |
| Heat resistance | 69°C | 100°C |
| Strength | 3 out of 5 | 3 out of 5 |
| Flexibility | 2 out of 5 | 2 out of 5 |
| UV resistance | 3 out of 5 | 5 out of 5 |
| Ease of printing | 4 out of 5 | 2 out of 5 |
| Absorbs moisture | Medium | Low |
| Drying | 65°C, 6h | 80°C, 6h |
| Typical price | £12.99/kg | £17.99/kg |
| Cheapest in stock | £6.65/kg | £13.80/kg |
Ratings are out of 5. Temperatures and ratings are typical values from manufacturers' data sheets; prices are live from Amazon UK and Eryone UK.
Cheapest PETG per kg
Prices checked 5 Oct, 23:20 – 6 Oct, 11:14 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
Cheapest ASA per kg
Prices checked 5 Oct, 03:02 – 6 Oct, 06:00 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
PETG vs ASA: which should you buy?
Choose PETG if you want the easiest printing, with the fewest failed prints; or your printer is open-frame: PETG prints without one.
Choose ASA if the part has to survive heat: ASA holds its shape to about 100°C, against 69°C for PETG; it will live outdoors or in sunlight; or you don't want to dry filament before printing.
On price, a typical PETG reel costs £12.99 per kilogram on Amazon UK and Eryone UK right now, against £17.99 for ASA.
The figures are typical values from manufacturers' data sheets (Polymaker, Prusament, Bambu Lab); individual brands vary, so the range on the reel always wins.
Common questions
Is PETG stronger than ASA?
They're about as strong as each other; the bigger difference is heat resistance (PETG 69°C, ASA 100°C).
Which is easier to print, PETG or ASA?
PETG. It prints at 230-260°C with a 65-85°C bed; ASA needs 240-270°C and an enclosure.
Is PETG or ASA cheaper in the UK?
PETG: a typical reel costs £12.99 per kg on Amazon UK and Eryone UK right now, against £17.99 for ASA. The cheapest of each are listed on this page.
Can I print ASA without an enclosure?
Small parts, sometimes; anything bigger tends to warp and split in a draught, so ASA really needs an enclosed printer. Check which printers can print it in our printer guides.
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