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D2058-03 – Standard Test Method Technical Guide
ASTM D2058-03 (Reapproved 2022) provides a standardized method to assess the resistance of zipper finishes to drycleaning. This test is integral to evaluating the quality and longevity of decorative coatings on zippers used in apparel and textiles.
📐 Overview and Scope
This test method falls under the jurisdiction of ASTM Committee D13 on Textiles and specifically addresses the durability of enamel or decorative coatings on zippers when exposed to drycleaning solvents. The scope includes any enamel or decorative coating, but it does not address all safety concerns, so users must establish appropriate safety, health, and environmental practices. The standard was developed in accordance with internationally recognized principles on standardization.
⚙️ Test Procedure and Key Data
The test specimen is agitated in a solution of solvent and drycleaning detergent, with steel balls added to simulate the mechanical action of a drycleaning machine. This method is useful for determining the effect of repeated drycleaning on the appearance of the decorative coating. It is widely used for acceptance testing of commercial shipments, and if discrepancies arise between laboratories, comparative tests should be performed to identify statistical bias.
| 🟦 Component | 📏 Description |
|---|---|
| Agitation Medium | Solvent and drycleaning detergent |
| Mechanical Action | Steel balls provide agitation similar to machine drycleaning |
| Assessment | Appearance of decorative coating after specified cycles |
📊 Referenced Standards
The standard references several ASTM methods and AATCC Method 86 for drycleaning procedures. These standards cover related tests for zipper durability, colorfastness, and physical properties.
| 🟦 Standard | 📐 Title |
|---|---|
| D123 | Terminology Relating to Textiles |
| D2050 | Terminology Relating to Subassemblies Used in the Manufacture of Textiles |
| D2051 | Test Method for Durability of Finish of Zippers to Laundering |
| D2052 | Test Method for Colorfastness of Zippers to Drycleaning |
| D2053 | Test Method for Colorfastness of Zippers to Light |
| D2054 | Test Method for Colorfastness of Zipper Tapes to Crocking |
| D2057 | Test Method for Colorfastness of Zippers to Laundering |
| D2059 | Test Method for Resistance of Zippers to Salt Spray (Fog) |
| D2060 | Test Methods for Measuring Zipper Dimensions |
| D2061 | Test Methods for Strength Tests for Zippers |
| D2062 | Test Methods for Operability of Zippers |
Tip: The use of AATCC Method 86 is critical for standardizing the drycleaning solution and procedure, ensuring reproducibility across different laboratories.
❓ Frequently Asked Questions
🔍 What does this test method evaluate?
It evaluates the durability of enamel or other decorative coatings on zippers when subjected to drycleaning.
💡 How is the test performed?
The specimen is agitated in a mixture of solvent and drycleaning detergent with steel balls to simulate drycleaning machine conditions.
⚡ What standards are related to D2058?
Related standards include D2051 for laundering durability, D2052 for colorfastness to drycleaning, and D2053 for lightfastness, among others listed in the standard.
📌 How are test result discrepancies handled?
If significant differences occur between laboratories, comparative tests on homogeneous samples should be conducted to identify and correct any statistical bias.