Engineering 3D Printer Resins

Looking for an engineering resin for 3D printing? Here you'll find technical resins from Loctite 3D (Henkel), BASF / Forward AM Ultracur3D, Liqcreate and Siraya Tech for parts that have to do a job: jigs and fixtures, moulds, enclosures, clips, parts that take heat or knocks, flexible seals and functional prototypes.

Every product page has the official technical data sheet and, just as important, which printers it works on: some are for 405 nm desktop LCD printers and others for professional DLP machines. The ones marked professional use only are sold to order to businesses and sole traders.
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What is an engineering resin?

It's a 3D printer resin formulated for specific mechanical or thermal properties, not just for detail. A standard resin is rigid but brittle; an engineering resin is designed to take heat, impacts, repeated bending or even flame, and the manufacturer publishes a technical data sheet with values measured to ASTM or ISO standards.

That's why they work for parts that actually get used: brackets, enclosures, clips, assembly jigs, short-run injection moulds or seals.

How to choose for your part

Heat: look at the heat deflection temperature (HDT). For moulds and tooling near heat, resins like Loctite IND249 or BASF RG 3280. There are more in high-temperature resins.

Impacts and parts that bend: tough resins with high elongation, like BASF ST 1400 or Siraya Tech Tenacious Lava, which is tough and has 75 % elongation at break according to Siraya.

Polycarbonate-like stiffness: Siraya Tech Blu Lava, for jigs, fixtures and prototypes that have to hold up, with an HDT of 75 °C.

Flexibility: elastomers like Loctite IND5714 for seals and dampers. More in flexible resins.

Flame-retardant: BASF RG 9400 B FR meets UL94 V-0 without halogens, for electronics enclosures.

Precision models and mock-ups: Liqcreate Premium Model.

Will it work on my printer?

Always check the wavelength and the technology the manufacturer specifies. BASF Ultracur3D, Liqcreate Premium Model and the Siraya Tech resins work on desktop 405 nm LCD resin printers. Loctite PRO476 is also formulated for 405 nm LCD, but we only sell it to professionals. A good part of Loctite's industrial range is formulated for 385 nm professional DLP printers and validated on specific machines; each product page has the official list. If in doubt, ask us before you buy.

Engineering resin comparison

ResinTypePrintersWho can buy
Loctite IND249High temperature, rigidDLP and LCD 385-405 nmAnyone
Loctite IND5714Elastomer, 53 Shore ADLP and LCDAnyone
BASF RG 3280Rigid, ceramic-filledLCD and DLP 365-405 nmAnyone
BASF RG 9400 B FRFlame-retardant UL94 V-0LCD and DLP 385-405 nmAnyone
Liqcreate Premium ModelPrecision modellingLCD, DLP and SLA 385-420 nmAnyone
BASF ST 1400ToughLCD and DLPAnyone
Siraya Tech Blu LavaRigid, PC-like, HDT 75 °CLCD 405 nmAnyone
Siraya Tech Tenacious LavaTough, high impactLCD 405 nmAnyone
Loctite PRO476Tough, HDT 60 °CLCD 405 nmProfessional use only
Loctite PRO410Rigid, fastLCD and DLPProfessional use only
Loctite IND147High temperatureProfessional DLPProfessional use only
Loctite IND405 ClearTough, clearProfessional DLPProfessional use only
Loctite 3843 HDT60High toughnessProfessional DLPProfessional use only
Loctite 3172 HDT50High impactProfessional DLPProfessional use only
BASF ST 45 (5 kg)ToughLCD and DLPProfessional use only
BASF RG 1100Rigid, high temperatureLCD and DLPProfessional use only
BASF RG 35Rigid, clearLCD and DLPProfessional use only

Professional use only resins

Some engineering resins contain components that the manufacturer restricts to professional users (it says so on their safety data sheet). We don't sell those to private customers: we supply them to order to businesses and sole traders working in a related field, with the safety data sheet included. Order them through our business page.

Post-processing: wash and cure

Technical resins only reach their properties with the post-processing the manufacturer specifies: the washing solvent, the times and the UV or thermal post-cure. Follow them to the letter. A wash and cure station helps every part come out the same.

Engineering resin FAQs

What's the difference between standard resin and engineering resin?

Standard resin is made for detail and it's brittle. Engineering resin is formulated to take heat, impacts, bending or flame, and the manufacturer publishes technical data measured to ASTM or ISO standards.

Will they work on my 405 nm LCD printer?

Many will, such as the BASF Ultracur3D range, Liqcreate Premium Model or Siraya Tech Blu Lava and Tenacious Lava. Loctite PRO476 is also made for 405 nm LCD printers, but we only sell it to professionals. Others are formulated for 385 nm professional DLP printers. Each product page shows the official compatibility.

Why are some resins professional use only?

Because their safety data sheet restricts them to professional users. We sell them to order to businesses and sole traders working in a related field, with the safety data sheet included.

Which resin has the highest heat resistance?

Check the heat deflection temperature (HDT) on each data sheet. The high-temp resins from Loctite and BASF go well beyond a standard resin and are used for moulds and tooling close to heat sources.

Do they need special post-curing?

Yes, most of them do. To reach the properties on the data sheet you need to follow the washing and the UV or thermal post-cure the manufacturer specifies.

Can I use them for injection moulds?

High-temp, high-stiffness resins are used for short-run moulds and tooling. Check the HDT and the manufacturer's recommendation on the data sheet.

Are there flexible engineering resins?

Yes, elastomers like Loctite IND5714, for seals, dampers and parts that deform and spring back to shape.

What is a flame-retardant resin?

A resin that meets a flammability standard such as UL94 V-0. BASF RG 9400 B FR meets it without halogens and is used for electronics enclosures.

Can I order them as a business?

Yes. Get in touch through our business page with your VAT number and we'll send you a quote, including for volume orders.

How should I store them?

In the original bottle, closed, away from light and within the temperature range the manufacturer gives. Shake or stir before use, especially filled resins.

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