Salem Specialty Ball Company
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Polytetrafluorethylene Balls(Teflon®, TFE)
Specific Gravity 2.14-2.24
Water Absorbtion (Method A, 24hr)% 0.01
Tensile Strength at Yield, 100 psi 2.5-6
Elongated at Yield, % 150-600
Elastic Modulus In Tension, 10 to the 5th power psi 0.95-1.15
Flexural Strength in Tension, 10 to the 5th power psi no break
Elastic Modulus in Flexure, 10 to the 5th power psi 0.7-1.1
Compressive Strength at Yield, 1000 psi -----
Rockwell Hardness (Method A) D50-D65, R25
Maximum Service Temperature in °F 450
Natural Color white
Color Possibilites limited
Clarity opaque
 

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