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What are ASTM D2700 and ASTM D2699?

What are ASTM D2700 and ASTM D2699?

ASTM D2700 and D2699 standard methods are adopted to determine the octane number of spark ignition engine fuel.

ASTM is the English abbreviation of American Society Testing and Materials. Its full English name is American Society for Testing and Materials. ASTM is one of the oldest and largest nonprofit standard academic societies in the United States. Over the course of a century, ASTM has 33,669 members (individuals and groups), with 22,396 members of the main committees serving as technical experts on each of its committees. There are a total of 2004 technical sub-committees under the technical committee of ASTM.105,817 units have participated in the formulation of ASTM standards. The main task is to develop the characteristics and performance standards of materials, products, systems, and services, as well as test methods and procedure standards, to promote the development and promotion of relevant knowledge.

ASTM standard number is:

Standard code + alphabetic classification code + standard serial number + set year + standard English name.

The alphabetic classification code is:

A — black metal
B — non-ferrous metals (copper, aluminum, powder metallurgy materials, wires, etc.)
C — cement, ceramics, concrete and masonry materials
D — various other materials (petroleum products, fuels, low-strength plastics, etc.)
E — miscellaneous (chemical analysis of metals, fire tests, non-destructive tests, statistical methods, etc.)
F — special purpose materials (electronic materials, shockproof materials, surgical materials, etc.)
G — corrosion, deterioration and degradation of materials

ASTM D2700 and ASTM D2699:

ASTM D2700 -Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel. (MON) Motor O.N., determined using Test Method D2700, is a companion method to provide typically lower octane rating under more severe operating conditions

ASTM D2699 -Standard Test Method for Research Octane Number of Spark-Ignition Engine Fuel.
(RON) Research octane number, determined using Test Method D2699, is a companion method to provide typically higher octane rating under milder operating conditions.

ASTM D2699 and D2700 (RON and MON test methods) are under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee D02.01 on Combustion Characteristics.

The current national standard in China is equivalent to ASTM D2700 and ASTM D2699 standard methods to determine the octane number of gasoline.

ASTM D2699 D2700 octane testing engine
Octane testing by ASTM D2699 RON and ASTM D2700 MON methods
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