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Rubber Specifications
Physical Properties Kent Elastomer Primeline Industries
Modulus at 100% 120 PSI Average 125 PSI Maximum
Modulus at 300% 190 PSI Maximum None Specified
Modulus at 500% 300 PSI Minimum None Specified
Tensile Strength 3500 PSI Minimum 3500 PSI Minimum
Elongation at Break 7.5 750% Minimum
Specific Gravity 0.95 Minimum 0.97 Maximum
Shore A Durometer Hardness 35 ± 5 35 ± 5

Rubber Dimensional Tolerances
Dimensional Tolerances Kent Elastomer Primeline Industries
1/2"OD Tubing Verifiying .500"OD ± .020" .480" to .520'
9/16"OD Tubing Verifiying .562"OD ± .020" .542" to .582"
5/8"OD Tubing Verifiying .625"OD ± .020" .605" to .645"
11/16"OD Tubing Verifiying .687"OD ± .025" .662" to .712"
3/4"OD Tubing Verifiying .750"OD ± .025" .725" to .775"