ELEGOO Tough Resin High Toughness High Elasticity 405nm Black 1000g Review (2026)

What this resin is

This is ELEGOO's Tough Resin, sold in a black 1000 gram bottle and cured with 405nm UV light. ELEGOO markets it around high toughness and high elasticity compared with the company's standard resin, targeting parts that need to bend, absorb impact, or resist cracking rather than purely rigid display prints. The company lists compatibility with most LCD, MSLA, and DLP resin printers, including its own Mars and Saturn lines as well as other common brands such as Anycubic's Photon series, so it is not limited to ELEGOO branded hardware. ELEGOO also notes the resin carries MSDS, ROHS, and REACH certification for material safety documentation.

Toughness and elasticity

ELEGOO positions this resin around strength, impact resistance, toughness, and low temperature resistance, with the elasticity aimed at parts like hinges, snap fit enclosures, and brackets that would crack in a standard rigid resin under repeated flexing. That kind of formula generally trades some of the surface hardness and dimensional stiffness of a rigid resin for the ability to bend without breaking, which is the right tradeoff for functional mechanical parts but not for precision fittings that must hold an exact shape under load. ELEGOO also says the resin keeps strong layer bonding, which matters for parts that will be stressed along a specific axis rather than just displayed.

Odor and handling

ELEGOO describes this resin as having almost no irritating odor, which is a meaningful difference from some tough or flexible resin formulas that can smell notably stronger than standard resin during printing and curing. That makes it more workable for printing indoors in a home office or bedroom rather than a dedicated workshop with strong ventilation. As with any UV resin, gloves and basic ventilation remain good practice regardless of how mild the smell is, since low odor does not mean the uncured liquid is safe for direct skin contact, and printed parts should be fully cured before handling without gloves.

Print settings and finish

Tough and flexible resin formulas typically need slower lift speeds and sometimes longer exposure times than a standard resin to avoid layer separation or failed prints, since the elastic properties that make a part durable after curing can also make it more prone to peeling issues mid print if settings are not adjusted. ELEGOO says the resin produces a smooth surface finish with good detail retention alongside its toughness, and the black color is a practical choice for showing off enclosures, brackets, and fixtures cleanly without needing paint. Buyers moving from a standard resin profile should expect to spend some time tuning settings before getting consistent results.

Who should buy it

This resin suits makers and small scale engineers who want resin parts that can survive bending, mechanical stress, or occasional impact, such as snap fit cases, jigs, or brackets, rather than static display models. It is worth noting this resin ranks in the middle of the pack among comparable tough resins from ELEGOO, Anycubic, and Siraya Tech based on the site's own scoring, so buyers focused purely on maximum toughness may find a better rated alternative worth the price difference. For general display prints without functional stress requirements, a standard or water washable resin remains the more cost effective choice.

Frequently asked questions