ASTM D910 Standard Specification for Leaded Aviation Gasolines
ASTM D910 defines the standard of leaded aviation gasolines (avgas), including grades 100L, which is mostly utilized in the piston engine aircraft category. The standard specifies performance requirements of octane rating, volatility, releasable lead, corrosion properties, and cleanliness that will meet aviation performance requirements and ensure the reliability and safety of fuel. As the operating environments of aviation industries require a steady fuel quality, this method is very instrumental in ensuring airworthiness of general aviation fleets, in particular legacies, that use high-octane fuel in their engines. Given the changing environmental regulations, this method remains a reference point in the process of producing lead aviation fuel, quality checks, and the safe use of aviation fuel.
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ASTM D910 Introduction
ASTM D910 specifies several grades of avgas, currently the most popular being Grade 100LL (Low Lead). The general aviation industry would not be the same without leaded aviation gasolines, especially for the piston-engine aircraft requiring high octane to avoid engine knock in high-compression operation. The standard provides that the fuel supply is of high-quality standards of combustion performance, chemical stability, and safety, which justifies consistency in engine performance and safeguards parts of great concern in the engine.
ASTM D910 Test Method
Density/Specific Gravity
Evaluates consistency and energy content
Corrosion (Copper Strip)
Tests on fuel corrosivity toward metal components
Water Reaction
Checks phase separation and emulsion stability
Existent Gum
Measures deposits that can form during storage or combustion
Color and dye
Confirms grade identification and compliance with color requirements
Sulfur Content
Controls corrosiveness and emissions
ASTM D910 Equipment and Sample Preparation
Specimen Details
Aviation gasoline sample (typically Grade 100LL)
Specimen Preparation
Collected in sealed, clean containers to prevent contamination or evaporation
Specimen Dimensions
Minimum sample volume per method requirement, typically 500 mL – 1 L
ASTM D910 Results and Interpretation
To maintain fuel performance and safety, all parameters have ranges of acceptability defined by these test results. In Grade 100LL, a motor octane number of 99.5 and a performance number of 130 are needed to provide knock-free engine performance. The potential lead is kept to a minimal amount of 2.0 grams per gallon in the US to strike the equilibrium between the effectiveness and the environment and maintenance issues. Additional specifications, such as distillation profile and corrosion rating, enable the effective prevention of a smooth vaporization process, minimal residue, and degradation of the metals.
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ASTM D910 Testing
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ASTM D910 Related Test Methods
ASTM D6227 offers advisory recommendations on the aviation fuel quality control measures to be undertaken to ensure that fuel integrity is preserved during storage and handling activities in airports and distribution centers. Determination of the motor octane number of spark-ignition engine fuels is vital in establishing the resistance to knock in the aviation gasoline. Hence, the ASTM D2700 plays a critical role.
ASTM D910 Applications in Industry
The process has been widely used throughout the aviation fuel supply chain to uphold the performance and safety of lead aviation gasolines. This specification allows refineries and fuel manufacturers to produce avgas of high quality, which is compatible with the certified engines of aircraft. The fuel properties comply with this method and are used in the validation of engine performance when using standard fuel properties, which is the foundation of fuel approval during the certification of aircraft engines by their manufacturers.
ASTM D910 Materials Commonly Tested
The specification is on several leaded aviation gasolines. Grade 100LL (Low Lead) is the most tested and prevailing avgas in the limitation, offering a balance of performance and lower lead percentages.
ASTM D910 Common Challenges and Troubleshooting
Reliability risks are associated with changing gum quantity or phase separation under increased water pressure. The result of color mutations or dye abuse may cause the wrong fuel grades.
ASTM D910 Safety and Best Practices
The safety precautions during handling and testing of lead aviation gasoline are important to observe under this procedure because there is a presence of lead substances, which are dangerous, like tetraethyl lead, among others. Personal protective equipment (PPE) such as gloves, safety goggles, and lab coats should also be used correctly to help reduce the chances of skin contact and inadvertent exposure. Lead fuel handling should all be done in an explosion-proof, high-ventilated area so that flammable vapors do not accumulate and an inhalation hazard is minimized.
Importance of ASTM D910 Test Standard
It provides safety, performance, and reliability for the piston aircraft, most of which remained in operation all over the world. As the industry moves into the unleaded sphere, this method still offers the important specifications of aviation fuels that support the requirements of legacy aircraft. Conformance to this helps in airworthiness certification, safety in flight, and compliance with rules throughout the general aviation industry.
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Please contact us for a detailed quote for your astm d910 testing needs. Cost incurred to carry out different astm d910 testing methodology depends on the type of raw material; number of samples, coupons, or specimens; test conditions, turn around time etc. Costs of some ASTM testing methods start from $100 and the final value depends upon the factors listed above. Please contact us for the best and latest prices.
How many samples are required for astm d910?
The required number of samples or specimens should comply with the procedure given in the astm d910 standard. However, the MaTestLab operations team can assist you for your special requirements once you share your testing details with us.
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MaTestLab has a vast testing laboratory network, hence we bring you the best testing facilities in a cost-effective way. We offer considerable discounts (15-20%) to our returning customers based on test volume and frequency.
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The turnaround time for astm d910 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.
Where can I get the astm d910 tested?
You can share your astm d910 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d910 test to various testing techniques.
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