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Mearthane Durethaneâ„¢ M DM-720A Foam Polyurethane

Category Polymer , Thermoset , Polyurethane, TS , Thermoset Polyurethane Foam, Unreinforced , Rubber or Thermoset Elastomer (TSE)
Manufacturer Mearthane Products Corporation (MPC)
Trade Name Durethane™ M
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Mearthane Durethaneâ„¢ M DM-720A Foam Polyurethane.pdf
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Material Notes:
MDI backbone: ether.Shore 00 Hardness: 65Summary: Durethane M is a flexible, microcellular, open cell and closed cell urethane foam. Because it is mechanically mixed, the cell size is uniform. Durethane M is very economical, and has excellent resistance to compression set. It can be formulated to form an integral skin.Applications: The compression set resistance of Durethane M makes it an effective material for applications with repeated compression cycles, such as actuator pads on postal meters and idler belts.Conductivity: All Durethane elastomers can be formulated to be electrically conductive, for applications involving electrostatic dissipation (ESD). Mearthane's proprietary conductivity process does not comprise the material performance specification of the urethane.Information provided by Mearthane Products Corporation.
Physical Properties Metric English Comments
Density 0.480 g/cc
0.0173 lb/in³
ASTM D3574A
Mechanical Properties Metric English Comments
Hardness, Shore A 20
20
ASTM D2240
Tensile Strength, Ultimate 11.4 MPa
1650 psi
ASTM D3574E
Elongation at Break 350 %
350 %
ASTM 3457E
100% Modulus 0.000414 GPa
0.0600 ksi
ASTM D3574E
200% Modulus 0.00103 GPa
0.149 ksi
ASTM D3574E
300% Modulus 0.00134 GPa
0.194 ksi
ASTM D3574E
Compressive Yield Strength 0.0700 MPa
10.2 psi
at 10% deflection; ASTM D3574C
0.121 MPa
17.5 psi
at 20% deflection; ASTM D3574C
0.160 MPa
23.2 psi
at 30% deflection; ASTM D3574C
Resilience 52
52
Bashore Rebound; ASTM 2632D
Tear Strength Test 43
43
lb; Die C; ASTM 3457F
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