The ranges of Bollard grips are suitable for a wide range of samples such as fibre, yarn, thread, rope, string, and strapping tape. The grips are designed so that the sample can be wrapped around the bollard and clamped at one end, this helps reduce the sample suffering a jaw break and spreads the load around the bollard by introducing friction to the sample. Ideally it should be used with an extensometer to calculate true strain in the sample. Pneumatic versions are available
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