Common Tests Used in the Cast Urethane Elastomer Industry
Exhibit A
Common ASTM Tests for Cast Polyurethane Elastomers
By clicking the links below, you may purchase the test from ASTM.
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Property Hardness, Shore A/D Tensile Strength Elongation Modulus Tear Strength, Split Tear Strength., Die C Tear Strength., Trouser Resilience, Bashore Compression Set, A/B Compression Modulus Abrasion, Taber Abrasion, NBS Impact Rest., IZOD Coeff. of Friction Bell Brittle Pt. Specific Gravity Volume Resistivity DC Resist./Conduct., Insul. Mat. DC Resist./Conduct., Conduct. Mat. Surface Electrification |
ASTM Test No. D4470 |
Exhibit B
Less Common ASTM Tests for Cast Polyurethane Elastomers
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Property Ross Flex Dynamic Fatique Adhesion, 90 Peel Crack Growth Low Temp. Stiffness Deterioration, UV+Heat Cracking/Ozone Compression Set, Low Tp. Retraction @ Low Tp. Elongation @ A Spec. Stress Standard Rubber Term. Pico Abrasion Effect of Liquids Deterioration in Air Oven Fatigue, Extension Cycling Anti Degradegration CMPDS. Pusey & Jones Indentation Abrasion, Rotating Drum Dynamic Testing, Vibratory Crack Growth Plasticity & Recovery Rubber in Compress./Shear Abrasion, Wet Sand/Wheel Abrasion, Dry Sand/Wheel Resilience, Goodyear/Healy Testing Hard Rubber-Tension Cut Growth Low Temp. Brittleness Young's Modulus |
ASTM Test No. |
Exhibit C
Common Urethane Raw Material Tests
By clicking the links below, you may purchase the test from ASTM.
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Test |
Standard |
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Moisture |
Karl-Fischer (ASTM D4672) |
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Viscosity |
Brookfield (ASTM D445) Zhan Cup* (ASTM D1084) |
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Melting Point |
ASTM D1519 |
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%NCO |
ASTM D2572 |
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Color |
APHA (ASTM D1209) Gardner (ASTM D1544) |
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% Chlorine** |
X-Ray Fluoresce |
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% Sulfur** |
X-Ray Fluoresce |
*There are many different cups used to measure viscosity.
**Used to determine stoichiometry in MOCA and E-300 cured urethane elastomers.
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