Primix Cross Tie
Primix Corporation is the developer of a revolutionary patented combination composite railroad tie intended to serve the world railroad market. The combination is a steel reinforced concrete core encapsulated in a recycled composite shell. Primix railroad ties are manufactured from recycled high-density polyethylene and recycled rubber. Their superior design and performance are projected to be significantly stronger and last significantly longer than traditional wooden ties. The result is a superior performing railroad tie that saves money, time, and the environment.
| U.S. | U.S. | Metric | Metric | |
Appearance |
Black |
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Standard Size |
7 x 9 x 120 |
Inches |
178 x 229 x 3048 |
Millimeters |
Weight |
325 to 350 |
Pounds |
147 to 159 |
Kilograms |
Surface Hardness |
6,200 to 7,300 |
Pounds |
2,812 to 3,311 |
Kilograms |
Shell Density |
48 |
PSI |
1.1 g / cm 3 |
Kilopascals |
Shell Thermal Expansion |
0.000058 |
% Per Degree F |
-099/˚C |
% Per Degree F |
Modulus of Rupture |
2,200 to 2,600 |
PSI |
15.2 to 17.9 |
Meg Pascal’s |
Modulus of Elasticity |
200000 TO 250000 |
PSI |
1,378 to 1,723 |
Meg Pascal’s |
Compression |
30,000 to 45,000 |
PSI |
207 to 310 |
Meg Pascal’s |
Chisel Spike Insertion |
3,800 to 6,200 |
Pounds |
1,724 to 2813 |
Kilograms |
Chisel Spike Lateral |
1,800 to 3,480 |
Pounds |
817 to 1579 |
Kilograms |
Chisel Spike Withdrawal |
2,000 to 2,400 |
Pounds |
907 to 1,089 |
Kilograms |
Screw Spike Insertion |
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Screw Spike Lateral |
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Screw Spike Withdrawal |
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Ultimate Strength |
24,000 to 72,000 |
Pounds |
10,866 to 32,659 |
Kilograms |
Bending Moment |
1" Flex Using a 60" Span |
Inches |
.039cm Flex Using a 23.8 cm Span |
Centimeters |
Flammability |
PASS ASTM 302 |
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Electric Resistance |
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Aging (Lab Estimates) |
60+ years |
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60+years |
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