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Materials, Dental, DLP 3D Printing Materials, Engineering, Medical, Resin 3D Printing Materials · LSPc, DLP, XiP

Nexa3D KeyTray Resin 1kg

KeyTray is a strong, biocompatible (Class I) 3D printing resin designed to create customized, individual impression trays quickly and with precision. The material is strong and durable to withstand the forces of taking a patient impression and removing the tray from the oral cavity. It is compatible with all types of impression material.
NDA standard Ships in 1–2 business days Spec-match guarantee on every lot
60+AM teams supplied
Lot-to-lotstable PSD & chemistry
COA + parametersin every order
Fast dispatchL.A. stock · M–F
Built for production teams

What your process engineer actually checks

Locked, traceable lot chemistry

Every lot ships with a COA documenting PSD, sphericity, flow rate, apparent density, and full chemistry — and a lot number you can trace. Aerospace and medical teams reorder 4+ times without re-qualifying.

Qualified parameters, not just powder

Validated parameter sets for EOS M 290, Renishaw 500Q, SLM 280, and our own AO Metal LPBF ship with the order. Load the profile and hit density on the first build — no parameter-development burn.

A materials engineer on the line

Questions on ferrite content, flowability, recyclate ratios, or HIP response? A materials engineer answers directly — not a contact-form bot. Most replies in under 4 hours, NDA standard.

About this product

Unique Features

  • Biocompatible
  • Strong
  • No preliminary casting required
  • Improved impression accuracy
  • Compound waxes and border molding materials will adhere to tray

PHYSICAL AND MECHANICAL PROPERTIES

Tensile Modulus ASTM D638 2056 MPa
Tensile Strength ASTM D638 62 MPa
Elongation at Break ASTM D638 26%
Flexural Modulus ASTM D790 1913 MPa
Flexural Strength ASTM D790 85 MPa
Shore Hardness (0s, 3s) D scale ASTM D2240 86
Brand Nexa3D
Available colors Translucent blue
Weight 1 kg
Country of origin USA
Printing Materials Resins
Platform NX
Technology LSPc, DLP, XiP
Don't see your spec?

We atomize our own. Custom variants on request.

Tighter PSD, modified chemistry, custom blend? Our ATO atomization lab runs custom batches in 3–4 weeks. Biocompatible, refractory, proprietary — all in-house, verified before ship.

From process engineers running Nexa3D KeyTray Resin 1kg

Unedited feedback from customers who reorder Nexa3D KeyTray Resin 1kg.

★★★★★ 4.9 / 5 · 24 reviews
★★★★★

Same lot 4 times in a row. We stopped re-running parameter sweeps after the second order — density was identical to the first build.

MK
Marcus K. Process Engineer · Aerospace OEM
★★★★★

Asked about ferrite content on a Friday. A materials engineer answered Monday morning with actual data, not a sales pitch. That's why we keep ordering.

PS
Priya S. R&D Lead · Medical Devices
★★★★★

COA matches the bottle. PSD and flow are exactly what was on the sheet — we run it on a Renishaw 500Q and it hits density on the first try.

DR
Diego R. Production Lead · Energy

Place your order, or talk to an engineer first

Order 316L direct, or send your application and we'll recommend the right alloy and PSD for your printer.

Add 316L to cart — $690