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D3562-22 – Standard Test Method Technical Guide
🔍 Scope and Applicability
ASTM D3562-22 provides a comprehensive performance specification for woven drycleanable coat fabrics. It specifically covers the outer fabrics used in woven drycleanable topcoats, overcoats, and dress coats. The standard applies to fabrics composed of any textile fiber or mixture of textile fibers.
⚠️ Important Exclusion: This specification does not apply to woven fabrics used for linings, interlinings, rainwear garments, all-purpose water-repellent garments, or bonded and laminated fabrics.
The specification requires that properties be evaluated in both the length (warp) and width (fill) directions. In cases where a fabric requires special treatments, specific methods developed for that material will take precedence over these general requirements.
⚙️ Key Performance Requirements and Test Methods
To ensure durability and aesthetic performance, D3562-22 mandates a rigorous battery of standard test methods. The following table outlines the primary property categories, their corresponding standard references, and the key evaluation tools used for grading.
| 🟦 Property Category | 📏 Referenced Test Methods | 🎯 Evaluation Tools |
|---|---|---|
| Mechanical Strength | D5034 (Breaking), D1424/D2262 (Tearing), D434 (Yarn Slippage) | Minimum breaking and tearing strength limits |
| Colorfastness | AATCC TM8/TM116 (Crocking), TM16.3 (Light), TM15 (Perspiration), TM23 (Gas Fumes), TM132 (Drycleaning) | Gray Scale for Staining (EP2), Gray Scale for Color Change (EP1), 9-Step Chromatic Transference Scale (EP8) |
| Dimensional Change | AATCC TM135, TM132 | Maximum change in fabric dimensions after laundering or drycleaning |
| Appearance Retention | AATCC TM124 | Appearance rating after repeated home launderings |
| Flammability | 16 CFR 1610 | Compliance with the Flammable Fabrics Act regulations |
💡 Technical Note on Colorfastness Grading: The specification relies heavily on AATCC evaluation procedures, specifically the Gray Scale for Staining (EP2) and the 9-Step Chromatic Transference Scale (EP8), to quantify color transfer during crocking and perspiration tests.
📊 Sampling and Inspection Protocol
Sampling for conformance to this performance specification must be conducted in accordance with ASQ Z1.4, “Sampling Procedures and Tables for Inspection by Attributes.” This provides a statistically valid and internationally recognized framework for evaluating fabric lots. This international standard was developed in accordance with the World Trade Organization Technical Barriers to Trade (TBT) Committee principles on standardization.
❓ Frequently Asked Questions
🔍 What specific garment types does ASTM D3562-22 cover?
This performance specification applies to woven drycleanable topcoats, overcoats, and dress coat outer fabrics composed of any textile fiber or mixture of fibers.
💡 Does ASTM D3562-22 apply to rainwear or laminated fabrics?
No. The standard explicitly excludes linings, interlinings, rainwear, all-purpose water-repellent garments, and bonded or laminated fabrics from its scope.
⚡ Which standards are referenced for colorfastness to light and crocking?
The standard requires AATCC TM16.3 (Xenon-Arc) for lightfastness, and AATCC TM8 (Crockmeter Method) or TM116 (Rotary Vertical Crockmeter Method) for crocking resistance.
📌 What sampling standard does D3562-22 reference?
Sampling is conducted per ASQ Z1.4, which provides systematic tables and procedures for inspection by attributes to ensure representative testing of fabric lots.