SUNLU filament
Cheapest SUNLU PLA Rainbow filament in the UK
23 SUNLU PLA Rainbow filaments in stock on Amazon UK, Eryone UK and SUNLU UK, cheapest per kilogram first.
- in stock
- 23
- cheapest
- £13.00/kg
- typical price
- £13.00/kg
- colours
- 2
SUNLU PLA Rainbow in numbers
- As of 7 Oct 2026, SUNLU PLA Rainbow costs about the same as PLA Rainbow overall: a typical listing is £13.00/kg against £13.00/kg.
- Over the last 90 days, SUNLU PLA Rainbow listings sold for between £13.00/kg and £19.99/kg, and a typical listing's price barely moved (as of 7 Oct 2026).
- As of 7 Oct 2026, 23 of the 23 SUNLU PLA Rainbow listings we track (100%) are in stock.
From our own price history. See how every material compares in the UK filament price index.
Live prices
Prices checked 7 Oct, 17:45 (UK time) and may change.We earn a small commission if you buy. Your price stays the same.
About SUNLU PLA Rainbow
SpoolDeal tracks 23 SUNLU PLA Rainbow listings on Amazon UK, Eryone UK and SUNLU UK, 23 of them in stock right now, from £13.00 per kilogram; the typical price is £13.00/kg. In stock in 2 colours, including Multicolour, Blue.
PLA Rainbow basics: PLA is the easiest 3D printing filament to run: it prints cool, barely warps, and works on any open-frame printer. As a starting point, print PLA Rainbow at 190–230°C with the bed at 35–60°C; it doesn't need an enclosure. The temperature range printed on the reel always wins: it varies between brands and between colours of the same brand.
PLA Rainbow at a glance
- Nozzle
- 190–230°C
- Bed
- 35–60°C
- Enclosure
- Not needed
- Drying
- 50°C for 6 h
- Absorbs moisture
- Low
- Holds its shape to
- about 57°C
- Ease of printing
- 5 out of 5
- Strength
- 3 out of 5
- Flexibility
- 1 out of 5
- UV resistance
- 2 out of 5
Typical values from manufacturers' data sheets. The range printed on the reel always wins.
Common questions
What is the cheapest SUNLU PLA Rainbow filament?
Right now it is PLA Rainbow and SILK Rainbow 5KG Filament Bundle, 1KG per Roll, 5 Packs Bundle - PLA01*1, PLA04*1, Silk01*1, Silk05*1, Silk06*1 at £64.99 (£13.00 per kg) on SUNLU UK (as of 7 Oct 2026). Prices are re-checked through the day and this page lists the cheapest per kilogram first.
Is SUNLU PLA Rainbow cheaper than other brands?
About the same: in stock today it typically costs £13.00 per kg, close to the typical PLA Rainbow price of £13.00 per kg across the 45 PLA Rainbow listings we track (as of 7 Oct 2026).
Which colours of SUNLU PLA Rainbow are in stock?
In stock on Amazon UK, Eryone UK and SUNLU UK right now: Multicolour, Blue.
What temperature should I print PLA Rainbow at?
As a starting point, print PLA Rainbow at 190–230°C with the bed at 35–60°C; it doesn't need an enclosure. Always check the range printed on the reel, as it varies between brands and colours.
How SpoolDeal checks prices
The same rules on every page, so a deal badge means the same thing everywhere.
Re-checked through the day
Every tracked listing on Amazon UK, Eryone UK and SUNLU UK is re-checked through the day, and the most-watched ones every two hours.
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.
An email when it drops
Set a target price on any reel with a free account and we email you when it gets there.
More SUNLU filament
PLA Rainbow from other brands
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