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D4155-22 – Standard Test Method Technical Guide
ASTM D4155-22 serves as the benchmark performance specification for woven fabrics intended for women’s and girls’ sportswear, shorts, slacks, and suiting fabrics. This standard establishes a comprehensive framework of test methods and acceptance criteria to ensure product durability, colorfastness, and dimensional stability across various textile fiber compositions.
📐 Scope and Applicability
This specification covers woven fabrics comprised of any textile fiber or mixture of fibers. Critically, per Section 1.2, the requirements specifically apply to both the length and width directions for properties where fabric direction is pertinent, ensuring balanced performance in the warp and filling orientations. As stated in Section 1.3, the standard is explicitly not applicable to woven fabrics used for interlinings, jeans, and dungarees.
⚙️ Required Evaluation Protocols and Test Methods
To verify conformance, D4155-22 references a specific suite of ASTM and AATCC standard tests. The table below outlines the core properties that must be evaluated against the designated methodologies.
| 🟦 Category | 📏 Property | ⚡ Standard / Test Method |
|---|---|---|
| 🧵 Physical | Breaking Strength | ASTM D5034 |
| 🧵 Physical | Tearing Strength | ASTM D1424 / D2261 |
| 🧵 Physical | Resistance to Yarn Slippage | ASTM D434 |
| 🧵 Physical | Bond Strength (Bonded/Fused/Laminated) | ASTM D2724 |
| 📐 Dimensional | Dimensional Change (Home Laundering) | AATCC TM135 |
| 📐 Dimensional | Appearance of Durable Press Fabrics | AATCC TM124 |
| 🎨 Colorfastness | Crocking | AATCC TM8 / TM116 |
| 🎨 Colorfastness | Light | AATCC TM16.3 |
| 🎨 Colorfastness | Washing | AATCC TM61 |
| 🎨 Colorfastness | Perspiration | AATCC TM15 |
| 🎨 Colorfastness | Dry Cleaning | AATCC TM132 |
| 🎨 Colorfastness | Burnt Gas Fumes | AATCC TM23 |
| 🎨 Colorfastness | Non-Chlorine Bleach | AATCC TM172 |
| 🎨 Colorfastness | Sodium Hypochlorite Bleach | AATCC TM188 |
| 🎨 Colorfastness | Frosting (Flat Abrasion) | AATCC TM119 |
| 🔥 Safety | Flammability | 16 CFR 1610 |
Evaluation for color change and staining relies on standardized scales, including the AATCC Gray Scale for Color Change (EP1), Gray Scale for Staining (EP2), and the 9-Step Chromatic Transference Scale (EP8).
🔑 Important Considerations for Implementation
💡 Tip: When testing physical properties such as breaking strength (D5034) and tearing strength (D1424/D2261), remember that the specification explicitly requires performance in both the warp and filling directions. Isotropic performance is a key quality indicator for balanced fabric construction.
⚠️ Note on Withdrawn Standards: Several historical references, such as ASTM D434 (Seam Slippage) and D2262 (Tearing Strength), have been officially withdrawn. Users must coordinate with their accreditation bodies and ASTM International to identify acceptable current protocols or equivalent alternative methods for assessing these critical properties.
✅ Safety Compliance: The incorporation of 16 CFR 1610 (Flammable Fabrics Act Regulations) ensures fabrics meet federally mandated safety standards for apparel textiles. As per Section 1.4, it remains the user’s responsibility to establish comprehensive safety, health, and environmental practices prior to use.
❓ Frequently Asked Questions
🔍 What specific product types does D4155-22 cover?
It covers woven fabrics for women’s and girls’ sportswear, shorts, slacks, and suiting fabrics, composed of any fiber or blend.
💡 Can D4155-22 be used to specify denim or interlining fabrics?
No. Section 1.3 explicitly excludes woven fabrics used for interlinings, jeans, and dungarees from this specification.
⚡ Which test methods are used for evaluating colorfastness to light and crocking?
Colorfastness to light is evaluated using AATCC TM16.3 (Xenon-Arc). Crocking is evaluated using the standard Crockmeter Method (AATCC TM8) and the Rotary Vertical Crockmeter Method (AATCC TM116).
📌 What regulatory flammability standard is incorporated by reference?
16 CFR 1610, Chapter II of the Consumer Product Safety Commission Subchapter D—Flammable Fabrics Act Regulations, is the legally mandated safety requirement referenced in the specification.