Overview

A charcoal-grey SLA resin that combines good thermal resistance with strength and durability for demanding functional prototypes and end-use parts. Parts are easy to clean and finish and have a thermoplastic-like look and feel.

Features

Superior strength and durability
Excellent surface and large part accuracy
Heat tolerance up to 90 °C
Thermoplastic-like performance, look and feel
Charcoal gray appearance

Material type: Engineering
Brand family: Somos
Polymer: Photopolymer
Processing technology: SLA
Material form: Resin
Manufacturer: Somos
Reinforcements: None

Applications

Based on this material's datasheet values. Every part is different — ask an engineer to confirm it suits yours.

Physical

: ~1.13g/cm³ Liquid resin, @ 25 °C

Thermal

: 53°C ASTM D3418-15 (DSC)
: 50°C ASTM D648-16, 1.81 MPa

Mechanical

: 2310MPa ASTM D638-14
: 46.9MPa ASTM D638-14 (strength at yield)
: 24% ASTM D638-14
: 2054MPa ASTM D790-15e2
: 73.8MPa ASTM D790-15e2
: 83D ASTM D2240-15

Electrical

: 17.7kV/mm ASTM D149-09
: 4.2 ASTM D150-11
: 3.7 ASTM D150-11

Versus other Photopolymer

See where it ranks against the 217 other Photopolymer materials we stock.

Typical values from each manufacturer's datasheet. Test methods can differ between brands, so treat small gaps as a tie.

Downloads

Technical data sheet (TDS)MDS_SL_Somos-Taurus_0123a.pdf Download
Quick3D summaryThis page as a printable PDF

Values from the Somos technical data sheet. Last updated 11 October 2026. Typical values, not guaranteed minimums — see the disclaimer below.

Somos Taurus