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ASTM D5868 Lap Shear Adhesion for FRP Bonding (Test Method)

ASTM D5868 · ASTM standard

ASTM D5868 is the test method for the lap-shear adhesion (apparent shear strength) of adhesively bonded single-lap fiber-reinforced plastic (FRP) joints. To match this to your program, talk with our team.

What ASTM D5868 Covers

It measures the apparent shear strength of a bonded single-lap FRP joint, supporting adhesive selection and bonded-joint qualification.

How the Test Is Run

A single-lap bonded specimen is gripped and pulled in tension until the bond shears, and the apparent shear strength is calculated from the failure load and bond area.

Why It Matters

Bonded-joint shear strength governs the durability of adhesive assemblies; grips and alignment that load the bond in shear are essential.

Reading the Designation

Cited as ASTM D5868 with its edition year. Confirm the edition and specimen or fixture requirements before finalizing setup. To configure a testing setup, request a quote.

TensileMill CNC products for ASTM D5868

Our specimen-preparation systems and testing equipment compatible with ASTM D5868.

Set up ASTM D5868 testing with TensileMill CNC

Tell us your materials, specimen forms, and required test sections, and our team will match the right configuration.