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🧪 Scope and Method Principle ASTM D6228-19 specifies a standard test method for the determination of individual volatile sulfur-containing compounds in natural gas and gaseous fuels. The analysis is performed using gas chromatography (GC) equipped with a flame photometric detector…

ASTM D6226-21 provides a standardized test method for determining the open cell content of rigid cellular plastics composed of membranes or walls of polymer separating small cavities or cells. By measuring the accessible cellular volume using gas pycnometry, this method…

📋 Scope and Application ASTM D6227-24a specifies Grades UL82 and UL87 unleaded aviation gasolines, designed for aircraft engines certified by manufacturers and national agencies. These fuels may contain oxygenates within defined limits. Certification is restricted to refiners who blend the…

🔬 Scope and Significance of the Granule Cover Test ASTM D6225/D6225M‑98 (Reapproved 2020) establishes the standard test method for determining the hiding power of mineral granules on a surfaced roofing sheet. This test method is primarily used following an abrasion…

Systematic monitoring of lubricating oil is essential to minimize the high costs of oil changes and unplanned shutdowns in auxiliary power plant equipment. ASTM D6224-23, Standard Practice for In-Service Monitoring of Lubricating Oil for Auxiliary Power Plant Equipment, provides a…

The ASTM D6222/D6222M-16 (Reapproved 2023) specification provides requirements for prefabricated modified bituminous sheets reinforced with polyester fabric. These materials utilize atactic polypropylene (APP) as the key modifier and are designed for use in multiple-ply roofing and waterproofing systems. The sheets…

🏗️ Classification and Material Composition ASTM D6223/D6223M-21 covers prefabricated modified bituminous sheet materials reinforced with a combination of polyester fabric and glass fiber. Atactic Polypropylene (APP) is the primary modifier used in the bituminous coating. These materials are specifically intended…

📐 Scope and Classification ASTM D6221/D6221M details factory-prepared reinforced bituminous flashing sheets for roofing and waterproofing. These sheets utilize bitumen (asphalt, coal-tar pitch, or polymer-modified) reinforced with organic, polyester, or glass fiber felts, woven fabrics, or thermoplastic films. Surfacing includes…

ASTM D622 −99 (Reapproved 2020) establishes standardized test methods for evaluating rubber hose intended for use in automotive air brake and vacuum brake systems. Jointly developed by SAE International and ASTM International, these methods serve as the primary basis of…

📐 Scope and Fuel Applicability This test method, designated D6217-21, covers the determination of the mass of particulate contamination in middle distillate fuels by laboratory filtration. It is under the jurisdiction of ASTM Committee D02 and is directly responsible to…