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Capsule tensile rig tests gel hardness

The capsule tensile rig measures the force required to split one half of a hard gel capsule, allowing manufacturers to investigate the effects of fillings on the mechanical strength of the capsule shell and identify changes that may impact their stability and long-term performance. The rig helps manufacturers to identify subtle degradation, providing information which can be used to avoid subsequent capsule failure. Prior to testing, the filling of the capsule is removed and the empty shell is mounted to a separating rod fixture on the TA.XTPlus texture analyzer. Vertical movement of the upper rod is then applied until the capsule is split apart, while exponent software records the force required to do so. This test highlights three parameters: elastic stiffness (if a linear region on the graph is present), tensile force and elongation at break point.
Texture Technologies Corp.
18 Fairview Road
Scarsdale, NY, 10583