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D2832-92 – Standard Test Method Technical Guide
📐 Introduction and Scope
ASTM D2832-92 (Reapproved 2016) is a standard guide designed to assist in selecting the appropriate ASTM test method for determining volatile and nonvolatile content of paints and related coatings. It covers a comprehensive range of coating types, from aerosol coatings to water-reducible coatings, ensuring users can identify the most relevant standard for their specific material. The guide emphasizes that the values stated in SI units are to be regarded as the standard, and it does not address all safety concerns, necessitating user responsibility for safety and health practices.
⚙️ Coating Types and Corresponding Standards
The following table summarizes the coating types and their corresponding ASTM standards as per this guide.
| 🟦 Coating Type | 📏 ASTM Designation | 🔬 Section |
|---|---|---|
| Aerosol coatings | D3062 | 4.1 |
| Architectural wall coatings, interior, high performance | D1644 | 4.3 |
| Asphalt roof coatings | D2823 | 4.4 |
| Asphalt roof coatings, aluminum-pigmented | D2824 | 4.5 |
| Bitumens, emulsified | D2939 | 4.6 |
| Bleached lac varnish | D1650 | 4.7 |
| Coil coatings | D1353, D2697 | 4.8 |
| Electrical insulation varnishes | D115 | 4.9 |
| House paints, gloss | D2697 | – |
| Industrial baking enamel | D2697 | – |
| Lacquers, clear and pigmented | D1644, D333 | 4.11 |
| Latex paint, exterior | D2697 | – |
| Latex paint, interior | D2697 | – |
| Magnet wire enamels | D3288 | 4.12 |
| Plastics, coatings for | D1644 | 4.13 |
| Powder coatings | D3451 | 4.14 |
| Shellac varnish, orange | D1650 | 4.7 |
| Silanes, Siloxanes and Silane-Siloxane Blends | D5095 | 4.18 |
| Solvent-reducible coatings | D2369 | 4.2 |
| Traffic paints | D2205 | 4.15 |
| Varnishes | D1644 | 4.16 |
| Wall and trim enamels, interior semigloss, solvent-based | D2697 | 4.17 |
| Wall paints, flat | D2697 | 4.10 |
| Water-reducible coatings | D2369 | 4.2 |
📊 Key Considerations and Referenced Documents
This guide references numerous ASTM standards, including D115, D333, D1353, D1644, D1650, D2205, D2369, D2697, D2823, D2824, D2939, D3062, D3288, D3451, and D5095. It is crucial to use the current editions of these standards. The guide also notes that test methods for determining the composition of the volatile fraction are not covered. Users should consult the specific standards for detailed procedures.
💡 Tip: For solvent-reducible and water-reducible coatings, refer to ASTM D2369 for volatile content determination.
📌 Warning: While this guide aids in standard selection, always adhere to safety regulations and use appropriate precautions when handling coatings.
❓ Frequently Asked Questions
🔍 What is the main purpose of ASTM D2832?
ASTM D2832 serves as a guide to help users select the correct ASTM standard for determining volatile and nonvolatile content of various paints and related coatings, ensuring accurate testing based on coating type.
💡 How do I choose the right standard for my coating?
Refer to the table in Section 1.2 of the guide, which lists coating types and their corresponding ASTM designations. For example, solvent-reducible coatings use D2369, while architectural wall coatings use D1644.
⚡ What units are used in these standards?
According to Section 1.3, the values stated in SI units are to be regarded as the standard. Values in parentheses are for information only.
📌 Does this guide cover volatile fraction composition?
No, as per Note 1 in Section 1.1, test methods for determining the composition of the volatile fraction are not covered by this guide.