55A FDA Santoprene
Elastomers   Nominal Values   Test
Tensile Stress @ 100%   290 psi   ASTM D412
Tensile Str @ Break Elast   638 psi   ASTM D412
Elongation @ Break Elast   330%   ASTM D412
Tear Strength   108 lb/in   ASTM D624
Tear Strength Temp   73.4 °F    
Compression Set   23%   ASTM D395
Compression Set Temp   73.4 °F    
Hardness   Nominal Values   Test
Durometer Hardness A   55 -   ASTM D2240
Durometer Scale   A Scale -    
Durometer Test Thickness   0.118 in    
Thermal   Nominal Values   Test
Brittle Temperature   -76 °F   ASTM D746
Electrical   Nominal Values   Test
Arc Resistance   90 s   ASTM D495
Flammable   Nominal Values   Test
Flame Rating - UL, HB   0.0398 in   UL 94
UL 746   Nominal Values   Test
Rel Temp Indx Mech w/olmp   203 °F   UL 746
RTI Mech w/olmp Thick   0.125 in    
Rel Temp Indx Mech w/lmp   158 °F   UL 746
RTI Mech w/lmp Thick   0.125 in    
Rel Temp Indx Elect   194 °F   UL 746
RTI Elect Thick   0.0398 in    
Comparative Track Index   600 V   UL 746
High Volt Arc Track Rate   0.689 in/min   UL 746
Hot Wire Ignition   45 s   UL 746
Hot Wire Ignition Thick   0.125 in    
High Ampere Arc Ignition   120 -   UL 746
High Amp Arc lgn Thick   0.0618 in