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We invite you to compare the Dynamic Composite (Primix) ties
to wood, concrete and other composite ties and see the
advantages for yourself.
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Features |
Dynamic
Composites |
Plastic |
Concrete |
Wood |
| Used Recycled
Materials |
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| Precision
Engineering |
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| Average Weight
Approximately 320 lbs. or Less |
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| Available in
Multiple Load Bearing Strengths with Standardized
Dimensions |
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| Accepts Conventional Wood
Fastening Systems |
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| Accepts Concrete
Fastening Systems |
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Benefits |
Dynamic
Composites |
Plastic |
Concrete |
Wood |
| Weather and Moisture Resistant |
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| Life Expectancy of 60 Years Plus -
Estimated |
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| Economical Life
Cycle Cost |
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| Low
Maintenance |
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| Able to Reduce Tie to Rail Ratio |
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| Use in any track
condition |
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Advantages/Disadvantages Table
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Advantages |
Disadvantages |
Primix Ties
- Estimated up to 60 year life span
- Can last 300%
longer than wood
- Structural inner core can be varied for light and
heavy axle loads
- Less vibration produces a smoother ride and less
wear on equipment
- Vibration-dampening qualities do not disturb
railway beds, requiring less maintenance
- Better locomotive fuel efficiency due to
improved lateral stability and gauge control
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Primix Ties
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Plastic Ties |
Plastic Ties
- Difficulty holding gauge
- Twist and bend in hot weather
- Limited to using cut spike or screw
- Length limitations
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Concrete Ties
- Bear heavier axle loads
- Firmer stability for high speed applications
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Concrete Ties
- Average weight 700 to 850 pounds each
- Weight of ties crushes limestone in railway
beds, requiring more frequent maintenance
- Subject to deterioration problems such as
cracking, crumbling, etc.
- Expensive to manufacture and transport
- Requires special costly fasteners
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Wood Ties
- Easily manufactured
- Lower purchase price
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Wood Ties
- Rots and decays
- Susceptible to insect infestation
- Ends crack and split easily
- Tendency to flex requiring more frequent
maintenance of railway beds
- Limited weight bearing load
- More repair and maintenance required
- Difficult and costly disposal
- Use penetrated creosote treatment
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Save Money, Time and the Environment with this Superior
Performing Railroad TieThe Dynamic Composite Tie delivers
more than superior performance and lower maintenance costs. They
contribute to a cleaner, safer environment. Our ties are
manufactured from recycled automotive tires and polyethylene
plastic household containers. And, they can be recycled in 70-80
years!
Dynamic Composites, LLC serves the US, Canadian, and Mexican
railroad industry. In doing so, we consume more than 50 million
pounds of recycled waste tires and plastic bottles and 13
million pounds of recycled steel a year in full production. The
result is a superior performing railroad tie that saves money,
time and the environment.
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