Material comparison

    PETG vs TPU

    How PETG and TPU 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 TPU
    £19.99/kg
    cheaper right now
    PETG

    PETG vs TPU at a glance

    PETG vs TPU at a glance
    PropertyPETGTPU
    Nozzle230-260°C210-240°C
    Bed65-85°C30-50°C
    EnclosureHelpsNot needed
    Heat resistance69°C—
    Strength3 out of 53 out of 5
    Flexibility2 out of 55 out of 5
    UV resistance3 out of 53 out of 5
    Ease of printing4 out of 52 out of 5
    Absorbs moistureMediumHigh
    Drying65°C, 6h70°C, 8h
    Typical price£12.99/kg£19.99/kg
    Cheapest in stock£6.65/kg£12.99/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.

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    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 TPU per kg

    Prices checked 5 Oct, 03:00 – 6 Oct, 11:20 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.

    PETG vs TPU: which should you buy?

    Choose PETG if you want the easiest printing, with the fewest failed prints; or you don't want to dry filament before printing.

    Choose TPU if the part needs to bend or flex without snapping; or your printer is open-frame: TPU doesn't need an enclosure.

    On price, a typical PETG reel costs £12.99 per kilogram on Amazon UK and Eryone UK right now, against £19.99 for TPU.

    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 TPU?

    They're about as strong as each other; choose on ease of printing and price.

    Which is easier to print, PETG or TPU?

    PETG. It prints at 230-260°C with a 65-85°C bed; TPU needs 210-240°C.

    Is PETG or TPU cheaper in the UK?

    PETG: a typical reel costs £12.99 per kg on Amazon UK and Eryone UK right now, against £19.99 for TPU. The cheapest of each are listed on this page.

    How SpoolDeal checks prices

    The same rules on every page, so a deal badge means the same thing everywhere.

    1. Re-checked through the day

      Every tracked listing on Amazon UK and Eryone UK is re-checked through the day, and the most-watched ones every two hours.

    2. Measured against our own history

      A deal only counts when the price is below what that reel has actually sold for over the last 90 days, not a seller's “was” price.

    3. An email when it drops

      Set a target price on any reel with a free account and we email you when it gets there.

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