Somos 201

Usage This is an elastomeric polymer that produces highly flexible parts with outstanding "rubber-like" characteristics.  This material can accomodate harsh environmental conditions, such as high heat and caustic solvents.  Ability to produce functional prototypes via the SLS technology.
English (SI) Units Test Method
General Properties Specific Gravity, 20°C

Powder Density, Tap

Average Particle Size

Particle Size Range

 0.91 g/cm³

0.58 g/cm³

93 microns

23 - 190 microns

 ASTM D792

ASTM D4164

Laser Diffraction

Laser Diffraction
Thermal Properties Melting Point 307°F (159°C) DSC
Mechanical Properties Tensile Modulus

Tensile Elongation at Break

Stress at 5% Strain

Stress at 10% Strain

Flexural Modulus at -40°F (-40°C)               73°F (23°C)                  212°F (100°C)

Initial Tear Resistance     Die C at 73°F (23°C)   Die C at 212°F (100°C)

Abrasion Resistance       Taber, CS-17 wheel, 1kg load                         Taber, H-18 wheel, 1kg load                        

Shore A Hardness at 73°F (23°C)

 

 2902 psi (20 MPa)

222%

80 psi (0.55 MPa)

143 psi (0.98 MPa)

11300 psi (77.9 MPa) 2760 psi (16.3 MPa)      795 psi (5.5 MPa)

168 lbf/in (29.4 kN/m)J/m)                     34 lbf/in (6kN/m)

518 mg/1000 cycles 

867 mg/1000 cycles

81

 ASTM D638

ASTM D638

ASTM D638

ASTM D638

ASTM D790               ASTM D790             ASTM D790

ASTM D1004           ASTM D1004

ASTM D4060

ASTM D4060

ASTM D2240
Chemical Resistance Resistant to: hydrocarbons, ethers, and ketones

Resistant to: alcohols, acids, and bases at <70°C