Cartridge Formlabs Flexible 80A Resin, 1L
Formlabs Flexible 80A Resin is a versatile photopolymer resin designed for 3D printing with Formlabs Form 2, Form 3, and Form 3B printers. It allows the creation of flexible, elastic products with high precision and detail. Perfect for high-precision 3D printing and miniature products, supporting layer heights of 50 or 100 microns.
This material is ideal for applications requiring cushioning, damping, and shock absorption. It can be used to produce items such as handles, pads, cartilage and ligament models, seals, gaskets, and more.
Formlabs Flexible 80A Resin is an updated version of the Flexible Resin with enhanced mechanical properties and a refreshed look. A next-generation material for high-quality 3D printing of flexible, elastic products with exceptional detail.
Flexible 80A Resin is the toughest soft material in Formlabs' flexible and elastic resin lineup, with Shore 80A hardness, mimicking the flexibility of rubber or TPU. It balances softness and strength, making it durable through multiple cycles of bending and compression.
The "80A" designation refers to the Shore hardness rating. For a stronger flexible polymer, consider using Elastic 50A Resin.

Flexible 80A Resin's Excellent Mechanical Properties
- Resists repeated use without cracking. Tensile strength has increased by more than 100%, with more than an order of magnitude improvement in bending cycles.
- Resists bending and compression. Increased tensile strength, 1.5 times more elongation, and reduced residual deformation during compression.
- Easier to print. Improved printability with three times fewer contact points with support structures and half the curing time.
- New, clearer color. The new transparent color makes it easier to view internal channels and allows for a wide range of coloring options.

Ideal for prototyping consumer goods, flexible robotics components, medical devices, anatomical prosthetics, and film/theater props.
Formlabs engineering resins are designed to withstand a broad range of tests and work under various loads. Now, it's easier than ever to create flexible silicone, urethane, and rubber parts onsite in just a few hours using Formlabs' Flexible and Elastic resins.
Formlabs Flexible 80A Hardware Compatibility
- Well-suited for printing with 3D printers like Form 3, Form 3B, and Form 2.
- Supports print resolutions of 100 and 50 microns.
- Requires final polymerization.
- Compatible with all Form 3/3B resin tanks.
- For Form 2, the Resin Tank LT Tray is recommended.
Flexible 80A vs Flexible Resin and Elastic 50A
| Flexible Resin, after curing | Flexible 80A Resin, after curing | Elastic 50A Resin, after curing | |
| Elongation at break (%) | 80 | 120 | 160 |
| Tensile strength (MPa) | 7.7 - 8.5 | 8.9 | 3.2 |
| Durometer/Shore hardness | 80 - 85A | 80A | 50A |
| Tensile strength (kN/m) | 10.6 | 24 | 19.1 |
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