Formlabs Silicone Resin 40A Resin (Form 4) 1L
Introducing Formlabs Silicone 40A Resin, the first 100% silicone 3D printing resin that's accessible to everyone. Say goodbye to the hassles of moulding and labour-intensive casting processes. Silicone 40A Resin utilizes Formlabs' patent-pending Pure Silicone Technology™ to enable in-house 3D printing of pure silicone parts in just a matter of hours.
This amazing 40A Shore durometer material allows you to craft flexible, resilient, and long-lasting parts. It boasts an impressive 230% elongation at break and a tear strength of 12 kN/m, making it capable of enduring repeated cycles of stretching, flexing, and compression.
By harnessing the qualities of silicone and the creative liberty of 3D printing, you can produce silicone components that not only excel in performance but also offer remarkable chemical and thermal resistance (-25°C to 125°C)., fine features as small as 03. mm and complex geometries.
*As of 24/09/24 Silicone 40A Form 4 Version is not available on Preform.
Post-Processing
Form Wash Settings
Form Cure Settings
| Materials | Silicone |
|---|---|
| Manufacturer SKU | RS-C2-SI40-01 |
| Technology | Stereolithography (SLA) |
| Weight (KG) | 1 |
| Brand | Formlabs |
How does this material compare to other Formlabs flexible materials?
● Silicone 40A Resin is a pure silicone material, while Elastic 50A Resin and Flexible 80A Resin are silicone-like materials. Silicone 40A Resin parts have much higher durability, elasticity, chemical resistance, and thermal stability. It is better suited for in-field prototypes and end-use parts.
● Silicone 40A Resin is softer than Elastic 50A Resin and Flexible 80A Resin.
● Silicone 40A Resin is dark, while Elastic 50A Resin and Flexible 80A Resin are transparent.
● Silicone 40A Resin post-processing workflow differs slightly from the regular Form 3 workflow.
● Elastic 50A Resin and Flexible 80A Resin have a lower entry price and
How does this material compare to cast silicone?
The workflow to create 3D printed Silicone 40A Resin parts is simpler and faster compared to making cast silicone parts. Additionally, 3D printed Silicone 40A Resin has similar material properties to cast silicone. However, 3D printed Silicone 40A Resin parts have an odour after post-curing that dissipates with time, a slightly lower thermal resistance (-250C to +1250C), and lower long-term humidity and UV stability.
Are there any health risks related to the odor of the resin? Does it require specific ventilation?
There are less volatiles in silicone than in Formlabs Standard resins, our noses are just more sensitive to it. There is no need to update the ventilation requirements from the regular Form 3 workflow unless the user wants to reduce the odor.
DELIVERY BY ADDITIVE-X
BOXES SHIP VIA DPD
Order by 4.45pm Monday to Friday (excl Bank Holidays) and Additive-X will ship your order via DPD the same day. DPD will deliver on working days only.
Depending on your postcode your options at checkout will include DPD NEXT DAY, DPD 12:00 and DPD 10:30 options. Some postcodes will show "DPD TWO DAY".
Shipping to Ireland (Northern or Republic of) is a “DAP” service which means you have to pay any Duty and Taxes. Business customers must email us their EORI and UKIMS numbers.
PALLETS DON'T SHIP VIA DPD - WHAT YOU NEED TO KNOW
Some units can only be shipped safely on a pallet due to weight and/or size. Cut off time for orders shipping by pallet is 1.30pm, that’s because we need to book the job before 2pm.
Pallets are big and they ship on big lorries! If there is any problem with a dustbin-lorry size vehicle accessing your property, you need to let us know and we can request delivery by a smaller 7.5T lorry. If this is the case, then PALLET NEXT DAY may not be available.
Depending on your postcode your options at checkout will include PALLET NEXT DAY, PALLET 2-3 DAYS, PALLET COLLECTION HG4 2RN (organise your own pick-up). Some postcodes will show “PALLET 5-6 DAYS” etc.
Pallet deliveries are between 09.00 and 17.00 and we are unable to give you the ETA in advance.
We use a very reliable local supplier, and the pallets go in to the “Palletforce” network. Currently the network don’t use tracking numbers and you can't track online (coming in 2026). Call or email us to check on a delivery or collection.
UK Mainland - Box Shipping
|
COLLECTION HG4 2RN |
£0.00 |
FREE of charge, Mon-Fri 9-5.30pm Collect from Additive-X, Ripon Call 01765694007 to arrange |
|
DPD NEXT DAY |
£7.80 |
FREE on orders over £100 excl VAT |
|
DPD 12:00 |
£14.40 Excl VAT £12.00 |
UK mainland - excl offshore and extended areas Order by 4.45pm Mon-Fri |
|
DPD 10.30 By 10.30 Next Working Day |
£21.00 Excl VAT £17.50 |
UK mainland - excl offshore and extended areas Order by 4.45pm Mon-Fri |
|
DPD Saturday |
£21.60 Excl VAT £18.00 |
UK mainland - excl offshore and extended areas Order by 4.45pm Fri |
|
DPD Two Day |
£15.00 Excl VAT £12.50 |
2-3 day service - UK offshore and extended areas eg. Isles of Scilly, Jersey, Guernsey, Isle of Wight, Isle of Man Order by 4.45pm Mon-Fri |
|
DPD TO IRELAND |
£25.00 Excl VAT £20.83 |
Requires EORI and UKIMS, customer pays Tax & Duties |
UK Mainland - Pallet Shipping
|
PALLET COLLECTION HG4 2RN |
£0.00 |
FREE of charge, Mon-Fri 9-5.30pm Call 01765694007 to arrange |
|
PALLET NEXT DAY *order by 1.30* |
£102.00 Excl VAT £85.00 |
Next Day Pallet Service Mon-Fri (excl postcodes in zone 7). Must be booked by 1.30pm. Delivery between 9-5pm |
|
PALLET 2-3 DAYS |
£66.00 Excl VAT £55.00 |
Economy Pallet Service Mon-Fri (excl postcodes in zone 7). Delivery between 9-5pm |
|
PALLETS TO ZONE 7 POSTCODES |
Economy Pallet Service Mon-Fri |
Delivery between 9-5pm |
|
AB, IV1-40,52-52,57+ |
£155.00 |
4-5 Day Delivery |
|
DD |
£135.00 Excl VAT £112.50 |
3-4 Day Delivery |
|
IV41-51,55-56, KA27-28 |
£275.00 Excl VAT £229.17 |
7-8 Day Delivery |
|
KW1-14 |
£175.00 Excl VAT £145.83 |
5-6 Day Delivery |
|
HS, KW15-17 |
£275.00 Excl VAT £229.17 |
7-8 Day Delivery |
|
PA20+ |
£275.00 Excl VAT £229.17 |
7-8 Day Delivery |
|
PH1-7, 14 |
£135.00 Excl VAT £112.50 |
3-4 Day Delivery |
|
PH 8-13,15+ |
£175.00 Excl VAT £145.83 |
5-6 Day Delivery |
|
ZE |
£275.00 Excl VAT £229.17 |
7-8 Day Delivery |
|
IM |
£225.00 Excl VAT £187.50 |
5-6 Day Delivery |
|
IM |
£225.00 Excl VAT £187.50 |
5-6 Day Delivery |
|
PO30-41 |
£155.00 |
5-6 Day Delivery |
|
GY AND JE (EXCL. GY9) |
£175.00 Excl VAT £145.83 |
5-6 Day Delivery |
|
PALLETS TO IRELAND, GUERNSEY GY9, JERSEY |
Ask for a Quote |
Need more information on delivery and returns? Please visit our full delivery page.
