Cutoff Wheels and Abrasive Saw Blades Specifications

Abrasive Grain Type


	Abrasive Grain Type:
	Your choices are...
	Aluminum Oxide		Aluminum oxide is the most common industrial mineral in use today. Fused aluminum oxide is produced synthetically by melting bauxite and additive in an arc furnace to form a fused aluminum oxide ingots, which are later crushed and sized. The various types of fused aluminum oxides are distinguished by the levels of chemical impurities remaining in the fused mineral. Titanium and chromium oxides are typical additives. Fused aluminum oxide is available in several variations depending on composition and processing such as white (high purity), brown or regular (titanium oxide modified) and pink (chromium oxide additions). Titanium oxide additions can toughen the abrasive and enable heat-treating process, which changes brown aluminum oxide to a blue colored grain as titania precipitates form. Aluminum oxide abrasives are also produced with chemical precursors and precipitation, calcination and/or sintering processes. Calcined or platelet aluminas as used in fine grit or polishing applications. Sol-gel aluminum oxide is produced in using chemical ceramic technology, but this abrasive has very high performance and is usually referred to as Ceramic abrasive grain to distinguish the grain from lower performing fused aluminum oxide. Aluminum oxide occurs naturally in the form of the mineral corundum, but the mineral is not used as a commercial abrasive except as a component of emery.
	Ceramic		Ceramic abrasives typically consist of aluminum oxide with or without additional modifiers produced using a sol-gel and sintering process. The ceramic processing route results in a hard, dense abrasive with an extremely fine crystal size and outstanding grinding performance on a variety of workpiece materials.
	Silicon Carbide		Silicon carbide is a synthetic abrasive first developed in the late 1800s. SiC is harder than aluminum oxide, but more friable than fused aluminum oxide grains. Silicon carbide is typically applied to nonferrous applications (brass, aluminum, titanium). The high solubility of carbon and silicon in iron would result in a reaction of silicon carbide with the iron base alloy and poor grinding performance. Levels and types of impurities distinguish the green and black forms of silicon carbide. The sharp and easily fractured abrasive grains for abrading other non-metals such as the stone, glass, wood, and leather. SiC, like diamond, is susceptible to oxidation at higher temperatures.
	Zirconia (e.g., Norzon®)		Alumina-zirconia abrasive grain consists of a fused alloy of aluminum oxide and zirconium oxide. NorZon® is widely used variation proprietary to Norton Company, which consisting of a fused and quenched eutectic mixture of aluminum oxide and zirconium oxide. The resulting fine structure and higher hardness contributes to improved grinding performance on stainless steel, titanium and other exotic metals.
	Superabrasive - Diamond		Synthetic diamond is produced synthetically in a high temperature, high pressure process anvil press. Diamond is superabrasive grain with the highest known hardness and a cubic crystal structure. Diamond is used for grinding nonferrous metals, ceramics, glass, stone, and building materials. Diamond is not useful in grinding steel or ferrous alloys because carbon or diamond readily dissolves or reacts with iron. Diamond pastes are useful in ferrous polishing or lapping applications where heat and reactivity are not a factor. Diamond is susceptible to oxidation at higher temperatures
	Superabrasive - CBN		Cubic boron nitride (CBN) is superabrasive grain with hardness second to diamond and a cubic crystal structure. CBN provide super grinding performance on carbon and alloy steel. Diamond is not useful in grinding steel or ferrous alloys because carbon or diamond readily dissolves or reacts with iron. CBN is produced synthetically in a high temperature, high pressure process anvil press a process similar to synthetic diamond production.
	Tungsten Carbide		Crushed tungsten carbide grit is utilized in metal bonded products for abrasion of tough materials such as composites, fiberglass, reinforced plastics, rubber and other specialized materials.
	Other		Other specialty, proprietary or patented abrasive grain, grit or abrasive material.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Metal Clad / Armored?		Abrasive grain with a metal layer or coating. Certain superabrasive products utilize metal clad grain to dissipate heat or enhance bonding.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Grit Size


	Grit Size:		Applies to products using abrasive grains held in a matrix or bonded to a surface such as coated abrasives, MSL superabrasives, vitrified grinding wheels, dressing sticks, honing stones or grit dressers. Grit sizes are based on ANSI, FEPA, JIS or proprietary grading system standards. Grading system standards define a grit size through specified upper and lower limits at certain points in the size distribution.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Grading / Grit System:
	Your choices are...
	ANSI - Bonded		American or U.S. grading or grit size standards for abrasive grains used in bonded abrasives or grinding wheels.
	FEPA - F		European grading or grit size standards for abrasive grains used in bonded abrasives or grinding wheels.
	JIS		Japanese grading or grit size standards for abrasive grains.
	Micron Graded		Very fine abrasive grain graded to micron size ranges usually based an average particle size.
	Specialty / Other		Other unlisted, proprietary, or specialized grading or grit system.
	Search Logic:		Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Applications



	Your choices are...
	Dry Cutting		Abrasive products designed or suitable for dry grinding applications.
	Wet Cutting / Waterproof		Waterproof abrasive products designed or suitable for grinding using a water or water-oil coolant mixture.
	Bench / Backstand		Abrasive product designed for use on bench or back stand grinders or sanders with offhand (handheld) presentation of the parts to the abrasive.
	Portable Grinder / Handheld		Abrasive product designed for use on portable or handheld grinders or sanders such as weld grinding on a large fabrication.
	Specialty / Other		Abrasive products designed or suitable for other specialty, proprietary or patented applications.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Products / Materials Abraded:
	Your choices are...
	Metalworking		Abrasive products designed for metal grinding or finishing applications.
	Automotive		Abrasive products designed or suitable for automotive applications such as part or weld grinding and paint sanding.
	Ceramics / Glass		Abrasive products designed or suitable for ceramics and glass grinding or finishing.
	MRO / Construction		Abrasive products designed or suitable for cutting, grinding or finishing in maintenance & repair operations (MRO) such as the grinding of repair welds.
	Ophthalmic / Optical		Abrasive products designed or suitable for cutting, grinding or finishing applications in optical lens or component fabrication as well as for eyeglass or ophthalmic production.
	Plastics / Composites		Abrasive products designed or suitable for cutting, grinding or finishing plastics or composite materials.
	Semiconductors / Electronics		Abrasives wheels and blades designed for semiconductors or electronics such as back grinding, finishing, CMP pad dressing, IC die cutting, wafer slicing or other electronics applications.
	Specialty / Other		Abrasive products designed or suitable for cutting, grinding or finishing other unlisted specialty or proprietary materials.
	Search Logic:		Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Rotary Speed:		The maximum rotary speed or speed range recommended by the supplier.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Bond Type


	Bond Type:
	Your choices are...
	Metal		Metal bond between the abrasive grains and between the grains a metal substrate. Metal bond systems are used mainly for superabrasive or tungsten carbide grit products. Three metal bond types are sintered, MSL and electroplated metal bond systems. Sintered metal bond systems are used when a thicker layer of superabrasive is required. Metal single layer (MSL) wheels consists of a specialized braze layer that forms a single layer of superabrasive and bond. The electroplated bond system is used to produce fine grit superabrasive products.
	Resin / Plastic		Bonded abrasive product with a resin, resinoid or plastic bond system between the abrasive grains.
	Rubber		Bonded abrasive product with a rubber or elastomer bond system between the abrasive grains.
	Other		Other specialty, proprietary or patented bond type.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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