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Urethane Properties

Urethane Properties / Physical Properties Of Urethane / Urethane Hardness / Urethane Chemical Resistance

Typical Physical Properties of Compounds of Urethane

Urethane Type
L42
L100
L167
L315
Hardness, Durometer Value
(ASTM d676-59T)
80A
90A
95A
75D*
Specific Gravity
1.07
1.10
1.13
1.21

Tensile Strength, MPa (psi)
(ASTM D412-61T)

20.7 (3,000)
31.0 (4,500)
34.5 (5,000)
62.0(9,000)

Elongation At Break, %
(ASTM D412-61T)

800
450
400

270

100% Modulus, MPa (psi)
(ASTM D412-61T)

2.8 (400)
7.6(1,100)
12.4(1,800)
32.0(4,650)

Compression Set, %
Method B (ASTM D395)
Method A (ASTM D395)**


45
-


27
9

40
10

-
10

Resilience, %
Rebound (Bashore)


-

45

40

45

Impact Resistance,
Izod notched
J/m (ft.lb./In)
(ASTM D256)
24 Degrees C ( 75Degrees F)
-40 Degrees C (-40 Degrees F)





Flexed
-



Flexed
-



Flexed
-





800.7(15)
58.7 (1.1)

Solenoid Brittle Temp.,
Degrees C (Degrees F)
(ASTM D746-57)

Below -80 (Below -120)
Below -70 (Below-94)
Below -70) (Below -94)
-64
(-83)

Abrasion Index, NBS, %
(ASTM D1630, Nat'l Bureau of Standards Abrader)

110
175
400
435

Tear Strength Split, kN/m (pli)
(ASTM D470)

12.2(70)
13.1 (75)
26.2 (150)
192.2 (110)

* The D Scale is used to measure durometer hardness above 95A by Shore, Rex, or Wallace durometers.
** Measured at 9.3 MPa (1,350 psi)

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