A product, material or substance is a controlled product within the meaning of Class C if it meets either of two conditions that causes or contributes to combustion.
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ABRASION RESISTANCE
The ability of a material to resist surface wear.
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COMPOUND
(1) chemically speaking, a distinct substance formed by the combination of two or more elements in definite proportions by weight and possessing physical and chemical properties different from those of the combining elements. (2) in petroleum processing, generally connotes fatty oils and similar materials foreign to petroleum added to lubricants to impart special properties.
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DIELECTRIC STRENGTH
A measure of the ability of an insulating material to withstand electric stress (voltage) without failure. Fluids with high dielectric strength (usually expressed in volts or kilovolts) are good electrical insulators. (ASTM Designation D 877.)
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AIR
A substance containing by volume approximately 78 - 79% nitrogen; 20.95% oxygen, 0.94% argon, traces of carbon dioxide, helium, etc.
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ABSORPTION
The assimilation of one material into another; in petroleum refining, the use of an absorptive liquid to selectively remove components from a process stream.
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CARBON RESIDUE
Coked material remaining after an oil has been exposed to high temperatures under controlled conditions.
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CONTAMINATION CONTROL
A broad subject which applies to all types of material systems (including both biological and engineering). It is concerned with planning, organizing, managing, and implementing all activities required to determine, achieve and maintain a specified contamination level.
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COPPER STRIP CORROSION
A qualitative measure of the tendency of a petroleum product to corrode pure copper.
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DUNNAGE
Cushioning material placed among cargo to prevent their motion
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BASE
A material which neutralizes acids. An oil additive containing colloidally dispersed metal carbonate, used to reduce corrosive wear.
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