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PROPERTIES |
UNITS |
PR14 |
PR11 |
PR12 |
PR814 |
Density |
g/cm3 |
1.27 |
1.27 |
1.27 |
1.25 |
Ultimate Compressive Strength |
MPa psi |
300 43,500 |
280 40,600 |
280 40,600 |
230 33,350 |
Normal Working Pressure |
MPa psi |
75 10,875 |
70 10,150 |
70 10,150 |
60 8,700 |
Compressive Yield @ 68.9 MPa |
% |
2.4 |
2.4 |
2.4 |
2.4 |
Impact Strength |
kl/m2 |
38 |
38 |
38 |
42 |
Tensile Strength |
MPa psi |
90 13,045 |
85 12,325 |
85 12,325 |
90 13,045 |
Shear Strength |
MPa psi |
90 13,045 |
80 11,600 |
90 13,045 |
90 13,045 |
Brinell Hardness |
HB |
16 |
16 |
16 |
16 |
Moisture Absorption @200C @800C |
%
% |
0.1
0.7 |
0.1
0.7 |
0.1
0.7 |
0.1
0.7 |
Thermal Expansion I II |
x10-6/0C x10-6/0C |
100 60 |
100 60 |
100 60 |
100 60 |
Coefficient of Friction Dry Wet |
 |
0.1-0.14 0.1-0.15 |
0.09-0.12 0.1-0.14 |
0.09-0.12 0.1-0.14 |
0.06-0.12 0.07-0.14 |
Maximum Continuous Temperature |
0C |
65 |
65 |
65 |
65 |
Maximum Intermittent Temperature |
0C |
120 |
120 |
120 |
120 |
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