Glossary of Corrosion Related Terms

POLYGUARD PRODUCTS, INC.

	GLOSSARY OF TERMS "M"
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
	M
	MACROSCOPIC	Visible at magnifications to 25x.
	MACROSTRUCTURE	The structure of metals as revealed by macroscopic examination of the etched surface of a polished specimen.
	MAGNETITE	Naturally occurring magnetic oxide of iron (Fe3O4).
	MARTENSITE	A generic term for microstructures formed by diffusionless phase transformation in which the parent and product phases have a specific crystallographic relationship. Martensite is characterized by an acicular pattern in the microstructure in both ferrous and nonferrous alloys. In alloys where the solute atoms occupy interstitial positions in the martensitic lattice (such as carbon in iron), the structure is hard and highly strained; but where the solute atoms occupy substitutional positions (such as nickel in iron), the martensite is soft and ductile. The amount of high-temperature phase that transforms to martensite on cooling depends to a large extent on the lowest temperature attained, there being a rather distinct beginning temperature (Ms) and a temperature at which the transformation is essentially complete (Mf).
	MECHANICAL PLATING	Plating wherein fine metal powders are peened onto the work by tumbling or other means.
	METAL DUSTING	Accelerated deterioration of metals in carbonaceous gases at elevated temperatures to form a dust-like corrosion product; a unique form of high temperature corrosion which forms a dust-like corrosion product and sometimes develops hemispherical pits on a susceptible metal surface; simultaneous carburization is generally observed.
	METAL ION CONCENTRATION CELL	A galvanic cell caused by a difference in metal ion concentration at two locations on the same metal surface.
	METALLIC GLASS	An alloy having an amorphous or glassy structure. See also amorphous solid.
	METALLIZING	(1) The application of an electrically conductive metallic layer to the surface of nonconductors. (2) The application of metallic coatings by nonelectrolytic procedures such us spraying of molten metal and deposition from the vapor phase.
	METEOR PERFORATION	Perforation of material in outer space resulting from meteor strikes.
	MICROBIAL CORROSION	See biological corrosion.
	MICROSCOPIC	Visible at magnifications above 25x.
	MICROSTRUCTURE	The structure of a prepared surface of a metal as revealed by a microscope at a magnification exceeding 25x.
	MILL SCALE	The heavy oxide layer formed during hot fabrication or heat treatment of metals.
	MIXED POTENTIAL	The potential of a specimen (or specimens in a galvanic couple) when two or more electrochemical reactions are occurring. Also called galvanic couple potential.
	MOLAL SOLUTION	Concentration of a solution expressed in moles of solute divided by 1000 g of solvent.
	MOLAR SOLUTION	Aqueous solution that contains 1 mole (gram-molecular weight) of solute in 1 L of the solution.
	MOLE	One mole is the mass numerically equal (in grams) to the relative molecular mass of a substance. It is the amount of substance of a system that contains as many elementary units (6.023 exp23) as there are atoms of carbon in 0.012 kg of the pure nuclide C12; the elementary unit must be specified and may be an atom, molecule, ion, electron, photon, or even a specified group of such units.
	MONOMER	A molecule usually an organic compound, having the ability to join with a number of identical molecules to form a polymer.

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RG-2400 STOPS CORROSION - PERIOD.
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