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D4035-22 – Standard Test Method Technical Guide
📐 Scope and Applicability of D4035‑22
ASTM D4035‑22 establishes the standard performance specification for knitted necktie and scarf fabrics composed of any textile fiber or mixture of textile fibers. The requirements apply to both the length (warp) and width (fill) directions of the fabric for properties where direction is pertinent. This specification, developed in accordance with international principles on standardization, does not address all safety concerns. It is the user’s responsibility to consult Section 7 (the test methods portion) for specific hazard statements and to establish appropriate safety, health, and environmental practices prior to use.
⚠️ Critical Safety Note: Section 7 of this standard contains specific precautionary statements. Users must review these thoroughly and apply appropriate regulatory and workplace safety measures before conducting any physical testing.
⚙️ Key Performance Properties and Referenced Test Methods
The specification evaluates fabric performance through a rigorous set of standardized test methods from ASTM, AATCC, and Federal regulations. The table below lists the core end‑use properties and the exact test methods mandated by D4035‑22. Per the standard’s Note 1, only the permanent part of the test method designation is given; the current edition of each cited method shall prevail.
| 🟦 Performance Property | 📏 Referenced Test Method |
|---|---|
| Bursting Strength | ASTM D3786 or D3787 |
| Stretch Properties (Low Power) | ASTM D2594 |
| Dimensional Change (Laundering/Drycleaning) | AATCC TM96, TM135, or TM132 |
| Colorfastness to Light | AATCC TM16.3 |
| Colorfastness to Crocking | AATCC TM8 or TM116 |
| Colorfastness to Perspiration | AATCC TM15 |
| Colorfastness to Burnt Gas Fumes | AATCC TM23 |
| Colorfastness to Laundering | AATCC TM61 |
| Colorfastness to Bleach (Non‑Chlorine / Chlorine) | AATCC TM172 / TM188 |
| Bond / Laminate Strength (if applicable) | ASTM D2724 |
| Smoothness Appearance (Home Laundering) | AATCC TM124 |
| Flammability | 16 CFR 1610 |
| Gray Scale & Staining Evaluation | AATCC EP1, EP2, EP8 |
💡 Best Practice: D4035‑22 references test methods by their permanent designations (e.g., TM8, D3786). Always verify you are applying the most current version of the full standard, as editions can be updated with revised precision statements, apparatus requirements, or conditioning procedures.
📊 Terminology and Framework Documents
The terminology structure of D4035‑22 relies on a two‑tier system. For apparel‑specific terms such as “necktie” and “scarf,” the standard directs users to Terminology D7022, which is under the direct jurisdiction of Subcommittee D13.61 on Apparel. For all other general textile definitions, Terminology D123 is the authoritative source. This hierarchy ensures consistent communication of fabric properties and defect nomenclature across the supply chain.
In addition, the standard cites several historical references. Practice D2905 (Statement on Number of Specimens for Textiles) is noted as withdrawn as of 2008, and the standard cautions users to rely on current statistical practices when determining specimen numbers.
❓ Frequently Asked Questions
🔍 What types of fabrics does ASTM D4035‑22 cover?
The specification covers all knitted necktie and scarf fabrics, regardless of the textile fiber or mixture of textile fibers used. It applies to both the length (warp) and width (fill) directions of the fabric wherever direction is pertinent to the property being evaluated.
💡 Which test methods are specified for bursting strength?
The standard provides two options: ASTM D3786 (Diaphragm Bursting Strength Tester Method) and ASTM D3787 (Constant‑Rate‑of‑Traverse Ball Burst Test). Either method may be used, depending on the fabric construction and available equipment.
⚡ How is colorfastness to crocking assessed?
Colorfastness to crocking is evaluated using either AATCC TM8 (Crockmeter Method) or AATCC TM116 (Rotary Vertical Crockmeter Method). Results are rated using the AATCC Chromatic Transference Scale (EP8) or the Gray Scale for Staining (EP2).
📌 What is the flammability requirement for these fabrics?
D4035‑22 incorporates the Federal Standard 16 CFR 1610, the Standard for the Flammability of Clothing Textiles. This is a mandatory regulatory requirement in the United States for all textiles used in apparel, including knitted necktie and scarf fabrics.