Bonding Explained: How It Works in Performance Sportswear
Bonding is best understood as joining two fabrics with adhesive film. This entry explains how it behaves inside a finished garment rather than only in the laboratory.
What the term means
joining two fabrics with adhesive film, which is why the value appears on almost every technical data sheet. Working figures for Bonding normally sit around film thickness 0.05-0.15 mm in mainstream production. Note ISO 15797 dimensional check plus peel test on the tech pack so nobody tests against an older revision.
Why it matters in practice
it replaces sewing and reduces seam bulk, so it influences buying decisions more than most buyers expect. Record elastane content alongside Bonding, because blends shift the measured value. A result outside film thickness 0.05-0.15 mm usually points to process drift rather than to the fibre itself.

Typical values seen in activewear
film thickness 0.05-0.15 mm. Ranges vary by construction, so compare like with like. Keeping reference values for Bonding lets suppliers quote without extra sampling rounds. Ask for conditioning details together with ISO 15797 dimensional check plus peel test, since both affect the reading.
How it is measured
ISO 15797 dimensional check plus peel test is the reference normally quoted on a test report. Working figures for Bonding normally sit around film thickness 0.05-0.15 mm in mainstream production. Note ISO 15797 dimensional check plus peel test on the tech pack so nobody tests against an older revision.
Frequent mistakes
Comparing results from different standards, testing unwashed fabric, and writing the target without tolerance are the common errors. Record elastane content alongside Bonding, because blends shift the measured value. A result outside film thickness 0.05-0.15 mm usually points to process drift rather than to the fibre itself.