Peel strength is generally used to measure the adhesive bond strength of a material, typically and adhesive. Peel strength is the average load per unit width of bond line required to separate bonded materials where the angle of separation is 180-degrees.

Peel strength testing can be carried out on a range of Lloyd Instruments  materials testing machines together with NEXYGENPlus data analysis software when more comprehensive testing results are required.

Common standards for determining peel strength

• ASTM D903
• ASTM D3807

Typical graph showing a peel strength test.

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