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Flexible Resin vs Formlabs Tough 1500

Polymer · grade comparison

Flexible Resin and Tough 1500 are both polymer grades. On the shop floor, Tough 1500 sits in a lower cost tier (standard, $$) than Flexible Resin (premium, $$$).

Tough 1500Choose it when cost is the deciding factor.

Flexible Resin vs Tough 1500: properties

Flexible ResinTough 1500

Properties

Yield strength

4 MPa0.58 ksi
38 MPa5.5 ksi

Tensile strength

9 MPa1.3 ksi
50 MPa7.3 ksi

Elongation at break

120%
—

Elastic modulus (Young's)

0.01 GPa0 Msi
—

Density

1.12 g/cm³0.04 lb/in³
1.18 g/cm³0.04 lb/in³

Max service temp

65°C149 °F
80°C176 °F

Thermal conductivity

0.2 W/m·K
—

Machinability

15 / 100
40 / 100

Weldability

40 / 100
5 / 100

Formability

92 / 100
5 / 100

Same in both: Electrical conductivity 0 % IACS

Strength versus weight

Yield strength against density for every polymer grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

0.1110100123Density (g/cm³)Yield strength (MPa) — log scaleFlexible ResinFormlabs Tough 1500

Manufacturing and finishing

CapabilityFlexible ResinTough 1500
Default conditionShore A 80—
Relative cost$$$ Premium$$ Standard
Min. machined wall——
Best machined surface——

Both are offered for Injection molding and 3D printing. Both take the same 12 finishes: Chrome Plating (Plastic), Conductive Coating, Dyeing (Nylon), EMI Shielding Coating, Painting, Primer Coating, Soft Touch Coating, Spray Painting, Tinted Coating, UV Coating, Vacuum Metallization, Waterproof Coating.

Flexible Resin vs Tough 1500 — frequently asked

What is the difference between Flexible Resin and Tough 1500?

Flexible Resin and Tough 1500 are both polymer grades. On the shop floor, Tough 1500 sits in a lower cost tier (standard, $$) than Flexible Resin (premium, $$$).

Which is cheaper, Flexible Resin or Tough 1500?

Tough 1500 is the lower-cost material: it sits in the standard tier ($$) while Flexible Resin is premium ($$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

When should I choose Flexible Resin over Tough 1500?

Pick Tough 1500 when cost is the deciding factor.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Flexible Resin and Tough 1500 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.