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D4110-02 – Standard Test Method Technical Guide
ASTM D4110-02 establishes performance specifications for knitted fabrics used in men’s and boys’ bathrobes, dressing gowns, and pajamas. This standard ensures fabric quality across length and width directions, referencing key ASTM and AATCC test methods for properties such as bursting strength, colorfastness, and dimensional stability.
🧵 Scope and Referenced Standards
The standard covers knitted fabrics for men’s and boys’ bathrobes, dressing gowns, and pajamas. Performance requirements apply to both length and width directions where fabric orientation is relevant. Safety concerns are addressed only in the test methods portion (Section 7).
Key referenced standards include:
| 🟦 Standard | 📏 Method | 🎯 Purpose |
|---|---|---|
| ASTM D123 | Terminology | Defines textile terms |
| ASTM D2594 | Stretch Properties | Low power stretch test |
| ASTM D3786 | Bursting Strength | Hydraulic diaphragm method |
| ASTM D3787 | Bursting Strength | CRT ball burst test |
| AATCC 8 | Crocking | Colorfastness to rubbing |
| AATCC 15 | Perspiration | Colorfastness to perspiration |
| AATCC 61 | Washing | Colorfastness to laundering |
| AATCC 135 | Dimensional Change | Fabric shrinkage measurement |
| AATCC 188 | Bleach | Colorfastness to sodium hypochlorite |
Note: Reference to test methods in this standard give only the permanent part of the designation. The current edition of each test method cited shall prevail.
⚙️ Performance Requirements and Testing
The properties of knitted fabrics for bathrobes, dressing gowns, and pajamas must conform to specified requirements. Bursting strength is evaluated using ASTM D3786 or D3787 methods, while colorfastness is assessed per AATCC methods for crocking, perspiration, washing, light, and bleach. Dimensional stability is measured through AATCC 135 after repeated home launderings.
Safety Precaution: This standard does not purport to address all safety concerns. It is the responsibility of the user to establish appropriate safety and health practices and determine regulatory limitations.
📊 Key Measured Properties and Evaluation
Key properties include bursting strength, colorfastness to various agents, dimensional change, and appearance retention. For colorfastness, AATCC evaluation procedures using Gray Scales for color change and staining are employed. The AATCC Chromatic Transference Scale is used for assessing color transfer.
| ⚡ Property | 📐 Test Method | 🎯 Evaluation Criteria |
|---|---|---|
| Bursting Strength | ASTM D3786/D3787 | As per standard requirements |
| Colorfastness to Crocking | AATCC 8/116 | Gray Scale rating |
| Colorfastness to Perspiration | AATCC 15 | Gray Scale rating |
| Dimensional Change | AATCC 135 | Percentage change in dimensions |
| Appearance Retention | AATCC 124 | Appearance after laundering |
Tip: For accurate results, ensure samples are conditioned according to ASTM standards before testing. Always use the latest edition of referenced test methods.
❓ Frequently Asked Questions
🔍 What is the scope of ASTM D4110-02?
It covers performance specifications for knitted fabrics used in men’s and boys’ bathrobes, dressing gowns, and pajamas, applicable to both length and width directions.
💡 Which test methods are referenced for colorfastness?
Colorfastness is evaluated per AATCC methods including 8 (crocking), 15 (perspiration), 16 (light), 61 (washing), and 188 (bleach).
⚡ How is bursting strength tested?
Bursting strength is tested using ASTM D3786 (hydraulic diaphragm method) or ASTM D3787 (CRT ball burst test).
📌 What are the safety considerations?
The standard does not address all safety concerns. Users must establish appropriate safety and health practices and comply with regulatory limitations.