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D3477-00 – Standard Test Method Technical Guide
🎯 Scope and Application
ASTM D3477-00 establishes the standard performance specification for woven fabrics designed for use in manufacturing men’s and boys’ dress shirts. This standard applies to both the warp (length) and weft (width) directions. It is designed to ensure suitable levels of durability, colorfastness, aesthetic appearance, and dimensional stability.
Important Exclusion: This specification is explicitly not intended for woven fabrics used as interlinings. Such materials require separate evaluation against alternative specifications.
The standard includes a precautionary statement (Section 1.4) noting that it does not address all safety concerns. Users are responsible for establishing appropriate safety, health, and regulatory practices prior to use.
📊 Key Performance Properties and Test Methods
D3477-00 leverages a comprehensive collection of established ASTM, AATCC, and Federal test methods to quantify fabric performance. Each property has a specific evaluation protocol that must be followed. The table below summarizes the core evaluation areas as detailed in the standard.
| 🟦 Property Category | 📏 Specific Property | ⚡ Required Test Method |
|---|---|---|
| Mechanical Durability | Breaking Force (Grab Test) | ASTM D 5034 |
| Tearing Strength | ASTM D 1424 / D 2261 / D 2262 | |
| Resistance to Yarn Slippage | ASTM D 434 | |
| Dimensional Stability | Dimensional Change (Laundering) | ASTM D 1905 / AATCC 135 |
| Colorfastness | Crocking (Dry & Wet) | AATCC 8 / AATCC 116 |
| Light | AATCC 16 | |
| Washing (Domestic & Commercial) | AATCC 61 | |
| Perspiration | AATCC 15 | |
| Burnt Gas Fumes | AATCC 23 | |
| Drycleaning | AATCC 132 | |
| Appearance | Durable Press (After Laundering) | AATCC 124 |
| Flammability | Fabric Flammability | 16 CFR Chapter II |
Evaluation & Sampling Tools: Color change and staining are assessed using AATCC Evaluation Procedure 1 (Gray Scale for Color Change), Evaluation Procedure 2 (Gray Scale for Staining), or Evaluation Procedure 3 (AATCC Chromatic Transference Scale). Sampling procedures should follow MIL-STD-105D for statistical relevance.
📐 Terminology and Critical Definitions
The standard provides precise definitions for the key term “dress shirt.” For boys, it is defined as a shirt made with a specific collar size or numerical size designed to be worn with a tie and jacket. For men, the definition follows the same logic, emphasizing formal, structured wear suitable for business and formal occasions. For all other textile terms, the standard directs users to Terminology D 123.
These definitions are critical in distinguishing dress shirts from casual woven shirts, ensuring the correct performance criteria are applied by manufacturers and testing laboratories.
❓ Frequently Asked Questions
🔍 What fabric types are governed by ASTM D3477-00?
It governs woven shell fabrics for men’s and boys’ dress shirts. It explicitly excludes knit fabrics and woven interlinings as per Section 1.2.
💡 How is colorfastness to crocking evaluated?
Testing is conducted using either the standard AATCC Crockmeter (Method 8) or the Rotary Vertical Crockmeter (Method 116). The resulting staining is rated against the Gray Scale for Staining or the Chromatic Transference Scale.
⚡ What are the flammability requirements for compliance?
The standard requires compliance with the Flammable Fabrics Act Regulations, codified in 16 CFR, Chapter II, Subchapter D, which mandates specific testing and performance levels for general apparel textiles.
📌 What is the significance of the “current edition” note?
Section 2 of the standard (Note 1) states that reference to test methods gives only the permanent part of the designation. The current editions of each test method cited shall always prevail, ensuring the standard dynamically aligns with the latest testing technology and practices.