Glossary of Corrosion Related Terms

POLYGUARD PRODUCTS, INC.

	GLOSSARY OF TERMS "I"
THE SOLUTION TO CORROSION UNDER INSULATION
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RG-2400 STOPS CORROSION	GLOSSARY OF CORROSION RELATED TERMS
RG-2400 will STOP existing corrosion and will prevent corrosion on new piping systems. Minimal surface preparation is required.

The Corrosion Process Science of Minetics/Surface Conversion Buffering Water Vapor Corrosion Under Insulation (CUI) Corrosion Control Corrosion Prevention Corrosion Remediation Priming and Painting Stainless Steel Stress Crack Corrosion (SCC) Corrosion on Steam Systems Corrosion on Tanks & Vessels Corrosion Anti-Seize Corrosion on Valves Corrosion Control in Natural Gas Vaults Corrosion Control on Bridges Corrosion Control on Marine & Oil Derek Pilings "Down Hole" Corrosion Control Insulation Joint Sealers Specialty Military Installations RG-2400 LT RG-2400 AK RG-2400 ET RG-2401 RG-1700 RG-2400 has many uses: Anti-Seize (Bolts) Bridge Rockers Steel Cable Steel Piers & Pilings Pig Doors Flange Bolts Unions	A \| B \| C \| D \| E \| F \| G \| H \| I \| J \| K \| L \| M \| N \| O \| P \| Q \| R \| S \| T \| U \| V \| W \| X \| Y \| Z
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	IMBIBITION	Uptake of water by a substance that does not dissolve in water (tends to produce swelling).
	IMMERSION PLATING	Depositing a metallic coating on a metal immersed in a liquid solution, without the aid of an external electric current. Also called dip plating.
	IMMUNITY	A state of resistance to corrosion or anodic dissolution of a metal caused by thermodynamic stability of the metal.
	IMPINGEMENT CORROSION	A form of erosion-corrosion generally associated with the local impingement of a high-velocity. Flowing fluid against a solid surface.
	IMPRESSED CURRENT	Direct current supplied by a device employing a power source external to the electrode system of a cathodic protection installation.
	INCLUSIONS	Particles of foreign material in a metallic matrix. The particles are usually compounds (such as oxides, sulfides, or silicates), but may be of any substance that is foreign to (and essentially insoluble in) the matrix.
	INCUBATION PERIOD	A period prior to the detection of corrosion while the metal is in contact with a corrodent.
	INDUSTRIAL ATMOSPHERE	An atmosphere in an area of heavy industry with soot, fly ash, and sulfur compounds as the principal constituents.
	INERT ANODE	An anode that is insoluble in the electrolyte under the conditions revailing in the electrolysis.
	INHIBITOR	A chemical substance or combination of substances that, when present in the environment, prevents or reduces corrosion without significant reaction with the components of the environment.
	INORGANIC	Being or composed of matter other than hydrocarbons and their derivatives, or matter that is not of plant or animal origin. Contrast with organic.
	INORGANIC ZINC-RICH PAINT	Coating containing a zinc powder pigment in an inorganic vehicle.
	INTELLIGENT PIG	Inspection device traveling inside a pipeline.
	INTENSIOSTATIC	See galvanostatic.
	INTERCRYSTALLINE CORROSION	See intergranular corrosion.
	INTERCRYSTALLINE CRACKING	See intergranular cracking.
	INTERDENDRITIC CORROSION	Corrosive attack that progresses preferentially along interdendritic paths. This type of attack results from local differences in composition, such as coring commonly encountered in alloy castings.
	INTERGRANULAR	Between crystals or grains. Also called intercrystalline. Contrast with transgranular.
	INTERGRANULAR CORROSION	Corrosion occurring preferentially at grain boundaries, usually with slight or negligible attack on the adjacent grains. Also called intercrystalline corrosion.
	INTERGRANULAR CRACKING	Cracking or fracturing that occurs between the grains or crystals in a polycrystalline aggregate. Also called intercrystalline cracking. Contrast with transgranular cracking.
	INTERGRANULAR FRACTURE	Brittle fracture of a metal in which the fracture is between the grains, or crystals, that form the metal. Also called intercrystalline fracture. Contrast with transgranular fracture.
	INTERGRANULAR STRESS-CORROSION CRACKING (IGSCC)	Stress-corrosion cracking in which the cracking occurs along grain boundaries.
	INTERMEDIATE ELECTRODE	See bipolar electrode.
	INTERNAL OXIDATION	The formation of isolated particles of corrosion products beneath the metal surface. This occurs as the result of preferential oxidation of certain alloy constituents by inward diffusion of oxygen, nitrogen, sulfur, and so forth.
	INTUMESCENCE	The swelling or bubbling of a coating usually because of heating (term currently used in space and fire protection applications).
	ION	An atom, or group of atoms, that has gained or lost one or more outer electrons and thus carries an electric charge. Positive ions, or cations are deficient in outer electrons. Negative ions, or anions have an excess of outer electrons.
	ION EROSION	Deterioration of material caused by ion impact.
	ION EXCHANGE	The reversible interchange of ions between a liquid and solid, with no substantial structural changes in the solid.
	IRON ROT	Deterioration of wood in contact with iron-based alloys.
	ISOCORROSION DIAGRAM	A graph or chart that shows constant corrosion behavior with changing solution (environment) composition and temperature.

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RG-2400 STOPS CORROSION - PERIOD.
"WHEN IT'S BLUE YOU'RE THROUGH!"