Data for PERIDOT SLS Duraform Material

The Selective Laser Sintering (SLS) process creates solid, three dimensional objects by fusing powdered materials with a CO2 laser. Once the 3D CAD data is sliced in the software and downloaded, the SLS process can begin. As the process begins, a layer of heat-fusible powder is deposited across the part build chamber. An initial cross-section of the object under fabrication is selectively 'drawn' on the layer of powder by a heat generating CO2 laser. The interaction of the laser beam with the powder fuses the powder particles to form a solid mass. An additional layer of powder is deposited via a roller mechanism on top of the previously scanned layer. The process is repeated, with each layer fusing to the layer below it until the part is complete.

 

 

Units

Test Method

DuraForm

Mechanical

Tensile Strength


MPa

ASTM
D638


44

Tensile Modulus


MPa

ASTM
D638


1600

Tensile Elongation at Break

%

ASTM
D638

9

Flexural Modulus


(MPa)

ASTM
D790


1285

Stress at 5% Strain


(MPa)

ASTM
D638

Stress at 10% Strain


(MPa)

ASTM
D638

Impact Strength

Notched Izod


(J/m)

ASTM
D256


214

Unnotched Izod


(J/m)

ASTM
D256


428

Initial Tear Resist. Die C at 73° F


(kN/m)

ASTM
D1004

Abrasion Resist.
Taber, CS-17 wheel, 1 kg load

mg/1000 cycles

ASTM
D4060

Hardness

Shore A

ASTM
D2240

Thermal

Melting Point: T m


(° C)

DSC


184

DTUL, 66 psi
(.45 MPa)


(° C)

ASTM
D648


177

DTUL, 264 psi
(1.82 MPa)


(° C)

ASTM
D648


86

Electrical

Volume Resistivity
22° C, 50% RH, 500V

(Ohm X cm)

ASTM
D257-93

3.1 x 1014

Surface Resistivity
22° C, 50% RH, 500V

(Ohm X cm)

ASTM
D257-93


3.0 x 1014

Dielectric Constant

 

ASTM
D150-95

2.9

Dielectric Strength 22 C, 50% RH, in air, 500V/sec

(v/mm)

ASTM
D149-95a Method A

1.6 x 104

Other

Surface Finish (upper facing, no post)


(m m)


8.5

Surface Finish (upper facing, with post)


(m m)


0.13


Click here to download a Duraform material datasheet in Adobe PDF format. You will need the free Acrobate Reader from Adobe to view the document.

Contact PERIDOT, Inc. today to learn more using Duraform or other SLS materials for your next prototyping project.