Understanding Strapping Tensile Strength
When choosing a strap for their cargo, most buyers default to the strongest option available. But the strongest strap isn’t necessarily the best choice for every application.
Understanding strapping tensile strength and how it applies to your specific needs can save your operation money and help you protect your loads more effectively.
What is strapping tensile strength?
Tensile strength is simply how much force a strap can handle before it permanently deforms. Different straps offer different levels of tensile strength, which is often measured in kgF (kilogram-force).
What affects tensile strength?
Not all straps are built the same, and there are two key factors that influence how much force a strap can withstand:
Width and thickness: Wider and thicker straps generally offer higher tensile strength. If you need a stronger strap, sizing up is often the first place to start.
Environment: Conditions like extreme temperatures and prolonged sunlight exposure can degrade tensile strength over time. Always consider where and how your strap will be used. If your cargo has a long trip ahead through severe climates, opting for a stronger strap can be a good idea.
When does tensile strength matter?
Certain applications demand more of your strapping than others. Here are some situations where the strap’s tensile strength becomes especially important:
Heavy loads: Heavier, bulkier loads put significant stress on strapping. A strap with insufficient tensile strength can deform or snap, putting the security of your load at risk.
Sharp edges: When a load has sharp corners, the stress is concentrated in a single area rather than being distributed evenly. High tensile strength straps are better equipped to resist tearing under this kind of focused pressure.
Multiple handling points: The longer a load's supply chain journey, the more handling it goes through. High tensile strength strapping gives you confidence that your load will stay secure from origin to destination.
Why more tensile strength isn't always better
It might seem like higher tensile strength is always the safer choice, but that's not necessarily the case. Consider these trade-offs before just going with the strongest strapping option:
Cost: Higher tensile strength straps typically come at a higher price. If your load doesn't demand it, you may be paying for strength you don't need. For lighter loads, you can save by opting for a strap with a lower tensile strength rating.
Reduced elongation: While straps with higher tensile strength can absorb more shock, they are generally less flexible. When a sudden shock occurs, they won't elongate (stretch) as much as a lower tensile strength strap. However, they will recover their tension more effectively. Depending on your application, the reduced give could work for or against you.
Choosing the right strap
Finding the right strap for your packaging needs isn’t as easy as just choosing the strongest option. Factors like your load size, environment and supply chain all need to be considered.
Having the right partner can help make these decisions simple.
EAM-Mosca has the expertise to help you find a safe and cost-effective strapping solution for your specific needs. Get in touch with our team to find out more.
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