Formlabs (Form 3) Castable Wax Resin (1L) V1 Purple
Castable Wax Resin is a high-performance, 20% wax-filled resin suitable for direct investment casting and customer try-ons. It’s been specifically engineered for casting jewellery in precious and non-precious metals.
This is Formlabs’ best resin for investment casting. It offers higher print quality and smoother surface detail than Castable Resin V2. It has zero ash content and is suitable for a standard or short burnout cycle. It always delivers a clean burnout.
Models printed in Castable Wax Resin are strong enough to be handled without post-curing. UV curing is not required because the green strength of parts is high enough fresh from the print bed. This reduces post-processing time considerably, allowing you to showcase designs to customers quicker than ever before.
Cast everything from single rings to a series in one sitting. This resin is also suitable for larger items, such as bangles, although experimentation will be required to create a process that delivers consistent results with larger models.
Castable Wax Resin has been tested by Formlabs with silver, 18K gold, and bronze metal successfully using R&R Plasticast investment. It’s compatible with other metals too. You adjust the final casting temperature and investment used to suit the metal in question. Feel free to experiment with palladium, platinum and other metals.
Castable Wax resin is compatible with the Form 2, Form 3 and Form 3L 3D printers.
Materials | Wax Resin |
---|---|
Manufacturer SKU | RS-F2-CWPU-01 |
Version | V1 |
Technology | Stereolithography (SLA) |
Brand | Formlabs |

Can I reuse resin?
Yes. You can reuse resin that is in your tank after a print, please do not return resin to the resin cartridge to avoid potential contamination. The Form 2 orange cover protects unused resin from ambient light.

Can I store unused resin in the resin tank?
Outside of the printer or resin cartridge, resin can be stored in the standard Resin Tank with the lid on for up to one month and in Resin Tank LT with the lid on for up to two months. Empty or use any excess resin before storing resin tanks for longer than this. Do not pour liquid resin back into the original container.

DELIVERY BY ADDITIVE-X
Order by 4:45pm Monday to Friday and Additive-X will ship your order via DPD the same day, with multiple options available. DPD Pre 12 and Pre 10.30 are available depending on your postcode.
Some units must ship on a pallet due to weight and/or size, in which case delivery service is 1-2 days and the cut-off time is earlier.
Please note: We don’t work on bank holidays, so your order will be delayed by 1 working day.
Shipping Methods
UK Mainland
Standard Delivery |
£0.00 (On orders over £100 Excl VAT) |
UK Mainland |
Collection |
£0.00 |
You can collect your order from Additive-X, College Business Park, Kearsley Road, Ripon, HG4 2RN free of charge, but please call 01765 694 007 to arrange a collection time. |
Next Working Day DPD |
£7.80 Excl VAT £6.50 |
excl. Highlands, Islands & Pallet Deliveries. Mon-Thurs order by 4:45pm |
PRE 12 Next Working Day DPD |
£14.40 Excl VAT £12.00 |
Mon-Thurs order by 4:45pm |
PRE 10.30 Next Working Day DPD |
£21.00 Excl VAT £17.50 |
Mon-Thurs order by 4:45pm |
Saturday Delivery DPD |
£21.60 Excl VAT £18.00 |
Fri order by 4:45pm |
If you require delivery to the following locations, or information on our returns process, please visit our full delivery page…
Northern Ireland, Aberdeen, Scottish Highlands, Scottish Islands, Jersey, Guernsey, Isle of Wight and Isle of Man.