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D3782-22 – Standard Test Method Technical Guide
📜 Scope and Application
ASTM D3782-22 establishes the performance criteria for men’s and boys’ knitted dress suit fabrics and knitted fabrics intended for sportswear jackets, slacks, and trousers. This specification applies to fabrics composed of any textile fiber or blend, excluding those used for interlinings. The requirements cover both length and width directions where fabric direction is relevant. The standard was developed following internationally recognized principles on standardization established by the World Trade Organization TBT Committee.
For definitions, the standard relies on a robust terminological framework. Apparel-specific terms can be found in ASTM D7022 (Terminology Relating to Apparel), while general textile and chemical testing terms are defined in ASTM D123 and the specific AATCC methods cited. Key terms explicitly called out in the specification include “dimensional change” and “pressing and finishing”.
📊 Key Evaluated Properties and Test Methods
Fabrics must comply with a comprehensive set of performance properties. The table below details the primary evaluation areas and the specific ASTM and AATCC test methods prescribed by D3782-22 to verify compliance.
| 🟦 Performance Area | 📏 Standard Test Method | 📐 Evaluation Criteria / Focus |
|---|---|---|
| Stretch and Growth | ASTM D2594 | Low-power stretch properties, fabric growth, and recovery. |
| Dimensional Change | AATCC TM96 / TM135 | Shrinkage limits under commercial or home laundering. |
| Smoothness Appearance | AATCC TM124 | Wrinkle recovery and appearance retention after repeated wash cycles. |
| Colorfastness: Crocking | AATCC TM8 / TM116 | Dry and wet stain transfer (Graded on Gray Scale/Chromatic Transference Scale). |
| Colorfastness: Light | AATCC TM16.3 | Resistance to fading from Xenon-Arc lamp exposure. |
Colorfastness: Perspiration
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