Adhesive Testing, Adhesion Test, Adhesive Peel Test
APM Testing provides A2LA accredited (ISO 17025) laboratory services for physical properties of adhesive, chemical analysis of adhesive, and adhesive material certification. In addition to adhesive testing, our laboratory also does plastic testing, metal testing, rubber testing, oil testing, paint testing, plating testing, circuit board testing, and other testing.
Physical Properties of Adhesive
Physical properties of adhesive are typically measured by pulling apart two substrate materials held together by adhesive. Lap shear strength (ASTM D1002) is one of the simplest ways to measure adhesive strength for shear applications when the substrate is rigid and strong. 180° peel strength (ASTM D903) is used when a very thin flexible material is bonded to a rigid substrate. If both substrates are flexible and strong then T-Peel Strength (ASTM D1876) can be measured. Drum peel strength (ASTM D1781) or floating roller peel (ASTM D3167) is typically used when one substrate is rigid and the other is strong and flexible. Tensile properties (ASTM D897) can be measured when two rigid substrates are to be adhered and used in tension.
Chemical Analysis of Adhesive
The type of adhesive can be identified using FTIR Analysis (ASTM E1252) to identify the organic portion and EDS Analysis to identify the inorganic portion. EDS Analysis can also be used to help identify any elements such as sulfur or chlorine which may be present in a form which could corrode the substrate.
Adhesive Material Certification
Material specifications list specific performance requirements for different types of adhesive. Material specifications differ from test methods because test methods only specify how to test for a property but do not include acceptable ranges for the test results. Adhesive material specifications are published by many agencies including ASTM, AMS, SAE, and the military.
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