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D6098-16 – Standard Test Method Technical Guide
📐 Scope and Classification
ASTM D6098-16 provides a comprehensive classification system for extruded and compression molded shapes made from polycarbonate (PC). It applies specifically to plate, rod, and tubular bar used in mechanical grade applications. The standard outlines requirements for material properties, dimensional tolerances, and workmanship. It also permits the use of recycled materials provided they conform to all specified criteria.
This standard excludes glazing and signage products as defined in 3.1.2 and 3.1.8. It features a callout system (Section 4) for identifying particular characteristics important to specialized applications. Referenced documents include ASTM D883, D1600, D256, D638, D790, D3892, D3935, and D4000, as well as ANSI Z1.4-1993 for sampling.
⚙️ Test Methods and Property Verification
Verification of material properties is performed using standard test methods referenced in the standard. The following table lists the key test methods and their associated property measurements:
| 🟦 Test Method | 📏 Property Measured | 📐 Standard Reference |
|---|---|---|
| ASTM D256 | Izod Pendulum Impact Resistance | Section 12 |
| ASTM D638 | Tensile Properties (strength, modulus) | Section 12 |
| ASTM D790 | Flexural Properties (strength, modulus) | Section 12 |
Conditioning of test specimens must be conducted per ASTM D618. Sampling plans for inspection by attributes follow ANSI Z1.4-1993. All property requirements are specified within the callout system for each grade.
📊 Dimensional Tolerances and Workmanship
Dimensional tolerances for thickness, width, and length are specified in inch-pound units as the standard in all property and dimensional tables. Table S-PC and Table 1 provide SI unit equivalents for reference. Workmanship requirements ensure the product is free from defects and uniform in quality. Packaging should comply with ASTM D3892 to prevent damage during transit.
Tip: When specifying materials using the callout system from Section 4, include the appropriate grade and property requirements to ensure the material meets your mechanical grade application needs. Always verify that recycled content complies with all specification requirements.
The standard includes specific provisions for dimensional stability and quality control, with values in inch-pound units as the primary reference.
❓ Frequently Asked Questions
🔍 What is the scope of ASTM D6098-16?
It covers requirements and test methods for extruded and compression molded plate, rod, and tubular bar made from polycarbonate for mechanical grade applications, excluding glazing and signage.
💡 Can recycled materials be used in these shapes?
Yes, the standard allows for the use of recycled materials provided they meet all specification requirements, including property and dimensional criteria.
⚡ What are the primary test methods referenced?
The standard references ASTM D256 for impact resistance, ASTM D638 for tensile properties, and ASTM D790 for flexural properties, along with conditioning and packaging standards.
📌 How are dimensions specified in this standard?
Dimensions are primarily specified in inch-pound units in all property and dimensional tables, with SI units provided for reference in Table S-PC and Table 1.