Oxygen index

Oxygen index

A flammability test based on the principle that a certain volumetric concentration of oxygen is necessary to maintain combustion of a specimen after it has been ignited.

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Part of Speech: noun
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Industry/Domain: Manufacturing
Category: Plastic injection molding
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Related terms

oxygen index

Manufacturing; Plastic injection molding

A flammability test based on the principle that a certain volumetric concentration of oxygen is necessary to maintain combustion of a specimen after it has been ignited.

oxygen index

Fire safety; Prevention & protection

The minimum concentration of oxygen, expressed as percent by volume, in a mixture of oxygen and nitrogen that will just support combustion of a material under conditions of ASTM D ...

oxygen index

Mining; General mining; Mineral mining

Volumetric ratio of oxygen to the total gases in a mixture.

oxygen index

Oil & gas; Oilfield

(OI, mg CO2/g TOC) a measurement of the percent of oxygen needed to support reaction.

limiting oxygen index

Textiles; Manufactured fibers

A relative measure of flammability that is determined as follows. A sample is ignited in an oxygen/nitrogen atmosphere. The oxygen content is adjusted until the minimum required ...

index

Retail; Supermarkets

An alphabetical list of products and prices handled by a wholesaler.

stress-strain curve

Manufacturing; Plastic injection molding

The curve plotting the applied stress on a test specimen versus the corresponding strain. Stress can be applied through shear, compression, flexure, or tension.

stress relaxation

Manufacturing; Plastic injection molding

The decay of stress at a constant strain.

linear mold shrinkage

Manufacturing; Plastic injection molding

The difference between the size of the part and the size of the mold cavity. Values given are often the average of a range.

shrinkage allowance

Manufacturing; Plastic injection molding

The dimensional allowance which must be made in molds to compensate for shrinkage of the plastic compound on cooling.

screw travel

Manufacturing; Plastic injection molding

The distance the screw travels forward when filling the mold cavity.

underflow

Manufacturing; Plastic injection molding

The dominant flow of two confronting flows, over the other. The lesser flow reverses direction giving poor surface appearance and structural strength. Underflow should be avoided ...