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Tensile Rig Measures Force Required to Split Hard Gel Capsule

The capsule tensile rig measures the force required to split a hard gel capsule in half, 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. 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 important parameters: elastic stiffness, tensile force and elongation at break point. A reduction in elastic stiffness and tensile strength occurs when capsules become softer and thus show a tendency to fail.
Texture Technologies Corp.
18 Fairview Road
Scarsdale, NY, 10583