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Auralite Active Portugal: Swim School Programme Laboratory Test Report

Source:Customer Cases / Time:2026-09-16

Auralite Active is a Portugal-based brand whose swim school programme is one of its most demanding programmes. This report documents the laboratory qualification of the recycled nylon interlock supplied to Auralite Active for its swim school programme. Every figure below was produced on bulk fabric, not on an approval swatch.

Auralite Active: Recycled Nylon Interlock in use during daily pool sessions for children and adults

Auralite Active: Recycled Nylon Interlock in use during daily pool sessions for children and adults

Evaluation background

The programme covers training swimsuits, swim shorts and rash guards, used for daily pool sessions for children and adults. The environment is chlorinated water and repeated drying cycles and the requirement written into the brief was chlorine resistance with reliable shape retention. Fabric was selected on that basis rather than on price alone.

Fabric under evaluation

ParameterValue
FabricRecycled Nylon Interlock
Composition78% GRS recycled nylon / 22% spandex
Weight260 GSM
Width160 cm
Primary functionstays fully opaque under tension while carrying a recycled claim
Targetopacity above 96% at 30% extension
Test methodAATCC 183
Additional noteGRS chain of custody documents
CertificationOEKO-TEX Standard 100

Recycled Nylon Interlock close-up showing the fabric surface

Recycled Nylon Interlock close-up showing the fabric surface

Samples and conditioning

Three bulk lots were sampled at random and conditioned for 24 hours before testing. Results are reported as the worst of the three, which is the number a brand should plan around.

Test methods

The primary method was AATCC 183, supported by dimensional change to AATCC 135, pilling to ISO 12945-2 and colour fastness to ISO 105-C06.

Evaluation session with the Auralite Active team

Evaluation session with the Auralite Active team

Results

The fabric reached opacity above 96% at 30% extension, with GRS chain of custody documents. All supporting tests passed the agreed limits, and the report carries the lot numbers so the results can be reproduced.

Interpretation

Numbers only matter against the use case. For swim school programme the relevant result is that the fabric keeps stays fully opaque under tension while carrying a recycled claim after conditioning, which is what protects the wearer during daily pool sessions for children and adults.

Test records and inspection notes for the Swim School Programme

Test records and inspection notes for the Swim School Programme

Scorecard

CriterionResult
Primary function4.5 / 5
Dimensional change4.7 / 5
Pilling grade4.4 / 5
Colour fastness4.6 / 5
Consistency4.5 / 5
“Our athletes noticed the difference in the first week, and the test data explained why.” — Auralite Active Technical Team

Packed bulk rolls before shipment to Portugal

Packed bulk rolls before shipment to Portugal

Verdict and recommendation

The bulk fabric met every agreed target. The lot is released and we recommend repeating the same test set on each future delivery of the recycled nylon interlock. For Auralite Active the practical next steps are to keep the current specification for the repeat, retain the shade standard, and issue AATCC 183 results with every lot so any claim can be supported with data.

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