SUNLU Standard Grey 3D Printer Resin, 4 kg

SUNLU Standard Grey 3D Printer Resin is a 4 kg UV-curing photopolymer resin for compatible LCD, DLP and SLA printers. Its claimed 365–405 nm wavelength range, low shrinkage and smooth, hard finish suit routine model printing and post-print colouring, while the bulk pack is best suited to buyers expecting regular use.

At a glance

Manufacturer claims low shrinkage for accurate part dimensions and shape.
The listing describes a hard, smooth surface that is easy to colour after printing.
The claimed 365–405 nm range covers LCD, DLP and SLA resin printers, subject to printer compatibility.
The manufacturer says the resin can be cleaned with isopropyl alcohol or ethanol.

Price

£35.98Save 18%

Reference price: ~~£43.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

A 4 kg pack may suit frequent printing and reduce the need to replenish smaller quantities.
Low shrinkage and a surface described as easy to colour are useful for dimension-conscious models and hand-finished prints.
The listed 365–405 nm range supports use across multiple types of UV resin printer, where the printer's specifications match.

Cons

A 4 kg quantity is a substantial commitment for occasional users or those still choosing a resin.
Cleaning is specified with alcohol solvents, so this is not presented as a water-washable resin.

Technical specifications

11 specifications

Identity and material
Brand	SUNLU
Material listed	Resin
Colour and listed size	4000g Grey
Size	XXL-4000g
Part number	SLUK-RESIN-ST-GY-4KG-NEW

Compatibility and printing
Claimed printer types	LCD, DLP and SLA
Printing wavelength	365-405nm

Dimensions and weight
Weight listed	4.6 kg
Package dimensions and weight	36.79 x 23.9 x 9 cm; 4.6 kg

Care and other details
Cleaning solvents listed	isopropyl alcohol or ethanol
Batteries required	No

What to know before buying

Listing details to confirm

The listing calls the pack 4 kg or 4000g, while the stated item and package weight is 4.6 kg. Treat 4 kg as the resin size and 4.6 kg as the listed packaged/item weight, not the resin quantity. Its 405 nm title wording is narrower than the feature's 365-405nm claim. Compatibility, low shrinkage, odour and finish are manufacturer claims, not independently verified results. Confirm the resin wavelength suits your printer.

Who is it for?

A good fit for

Regular users of LCD, DLP or SLA resin printers whose equipment supports the stated wavelength range.
Makers printing grey models that they plan to colour or finish after curing.
Users who want a larger supply of standard photopolymer resin.

Less suited to

Occasional users unlikely to use a 4 kg pack.
Buyers specifically seeking resin that can be washed with water.
Anyone whose printer does not support the resin's specified curing wavelength.

SUNLU Standard Grey 3D Printer Resin, 4 kg · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 7 ratings

5 stars100%100%
4 stars0%0%
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The supplied evidence contains only a small aggregate rating sample, with all recorded ratings in the five-star category. That is encouraging but too limited to establish consistent print results or identify customer-reported strengths and drawbacks. No written customer feedback is provided, so buyers should weigh the listing's claimed finish and printer compatibility against their own printer requirements.

Frequently asked questions

Which printers is this resin intended for?

The listing names LCD, DLP and SLA printers and gives a 365-405nm printing wavelength. Check your printer's supported wavelength before purchasing.

Is the pack 4 kg or 4.6 kg?

The listing describes the resin as 4 kg or 4000g, but gives 4.6 kg as the item weight and package weight. The figures refer to different stated quantities.

How does the listing say to clean prints?

It names isopropyl alcohol or ethanol. It does not describe this resin as water-washable.

What finish does the manufacturer claim?

The listing describes printed parts as hard and smooth, easy to colour, and claims low shrinkage. These are manufacturer claims rather than independently verified results.