Section 9    Common Tests Used in the Cast Urethane Elastomer Industry 

Back

Exhibit A

Common ASTM Tests for Cast Polyurethane Elastomers  

By clicking the links below, you may purchase the test from ASTM. 

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.

D2240

D412

D412

D412      

D470                        

D624

D1938             

D2632

D395

D575

D4060

D1630

D256               

D1894    

D2137             

D792

D991

D297

D4496

D4470    

Exhibit B

Less Common ASTM Tests for Cast Polyurethane Elastomers

By clicking the links below, you may purchase the test from ASTM.

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.

D1052         

D430           

D6862         

D813           

D1052         

D1148

D1149        

D1229  

D1329  

D1456

D1566         

D2228

D471

D573

D4482         

D4676

D531

D5963  

D5992

D813    

D926    

D945

G105

G65

D1054

D2707

D3629

D736           

D797


Exhibit C

Common Urethane Raw Material Tests 

 By clicking the links below, you may purchase the test from ASTM.

Test

Standard

Moisture

Karl-Fischer (ASTM D4672)

Viscosity

Brookfield (ASTM D445)

Zhan Cup* (ASTM D1084)

Melting Point

ASTM D1519

%NCO

ASTM D2572

Color

APHA (ASTM D1209)

Gardner (ASTM D1544)

% Chlorine**

X-Ray Fluoresce

% 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.

bg-page-footer