Quick Answer
Tarred bankline performs reasonably well in cold temperatures, but its durability and strength may degrade at temperatures below 40°F (4°C). This degradation can lead to reduced rope strength and increased risk of breakage.
Tar Composition and Cold Temperatures
Tarred bankline is made with a mixture of natural or synthetic fibers and a waterproofing agent, usually coal tar or asphalt. The tar composition plays a significant role in determining the rope’s performance in cold temperatures. Coal tar, in particular, has a lower melting point than asphalt, which can make it more prone to softening and losing its effectiveness in cold conditions.
Rope Strength and Temperature
Rope strength can decrease by as much as 20% when exposed to temperatures below 40°F (4°C). This decline is due to the contraction of the fibers, which can cause the rope to become brittle and more susceptible to breakage. To mitigate this effect, it’s essential to store tarred bankline in a dry, protected environment when not in use.
Practical Considerations for Cold-Weather Use
When using tarred bankline in cold temperatures, it’s crucial to inspect the rope regularly for signs of damage or degradation. This includes checking for fraying, cuts, or excessive wear. In addition, consider using a rope that has been specifically designed for cold-weather applications, such as one made with a higher-quality synthetic fiber or a specialized waterproofing treatment.
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