A standardized testing vocabulary—covering GSM, shrinkage, color fastness, pilling, rubbing, and width—is essential for accurate fabric approval and technical communication.
Fabric testing terms are not only laboratory language. Terms such as color fastness, shrinkage, pilling and GSM affect sampling decisions, production approval, garment complaints and real production cost.
Which testing problem is actually being solved?
Most teams search testing terms because one specific risk is already blocking approval. This provides the shared vocabulary for risk evaluation without mixing terms.
| Testing Parameter | Primary Control Target | Applicable Reference Guide |
|---|---|---|
| General Testing Standard | Establish a shared vocabulary for multiple performance tests before bulk production. | This general guide |
| Color Fastness (ISO 105) | Control bleeding, fading, and staining during wash, rubbing, or light exposure. | Color Fastness Guide |
| Pilling Resistance | Prevent surface fiber entanglement and control abrasion resistance. | Pilling Resistance Guide |
| Dimensional Stability (Shrinkage) | Manage length or width change after washing to prevent garment fit distortion. | Fabric Shrinkage Guide |
A useful test requirement should connect the fabric to the final garment. A dark sportswear mesh, a soft underwear lining and a workwear fabric do not carry the same risk, even when the specification sheet looks similar.
What terms matter before sampling?
The starting points are GSM, width, shrinkage, color fastness, rubbing fastness, pilling resistance and stretch recovery. These terms help the factory recommend the right yarn, knitting structure and finishing process.
What do the main terms control?
| Testing Parameter | What it controls | Standard Commercial Tolerance | High-Risk Application Scenarios |
|---|---|---|---|
| Color fastness | How color behaves under washing, rubbing, sweat or light | Standard fastness grades acceptable for general apparel. | Deep shades, contrast color-blocking, or strict retailer staining standards. |
| Shrinkage | Length or width change after wash, steaming or finishing | Standard 5% dimensional stability for knitted fabrics. | Tight-fitting activewear or garments with zero-tolerance fit variations. |
| Pilling | Surface fiber entanglement after rubbing or washing | Standard abrasion resistance for daily wear. | Heavily brushed surfaces, high-friction workwear, or soft-handfeel lounge pants. |
| GSM | Fabric weight per square meter | Weight tolerance specified in the purchase contract. | When cost, opacity, yield (meters per kg), or strict weight boundaries are critical. |
Checklist before confirming test requirements
- Confirm the final application: sportswear, underwear, swimwear, lining, bag, workwear or decorative use.
- List the tests required by the brand, retailer or market.
- Check whether the test applies to fabric only or finished garment.
- Confirm target values before sampling, not after bulk fabric is produced.
- Review dark colors, soft finishes, brushed surfaces and high-stretch fabrics as higher-risk items.
- Keep approved lab dips, pre-production samples and test reports linked to the same bulk order.
Testing references
Fabric testing terms should be linked to bulk use conditions, not only sample approval. Useful references include ISO color fastness principles, ISO domestic washing procedures and AATCC textile test methods.
For an external grouping reference, Intertek's durable textile and apparel standard shows why terms such as dimensional stability, pilling, color fastness, stretch recovery and wash appearance should be reviewed together when they affect the same garment program.
Continue your fabric sourcing review
Compare the related category and product examples, then send your target composition, GSM, width, end use, quantity or sample reference for a factory review.