Fiber & Material Properties

Terms in this category

• 85% Magnesia85% Magnesia is a high-temperature thermal insulation material made of about 85% basic magnesium carbonate an…
• Absolute FilterAn absolute filter is a high-efficiency air filter designed to capture nearly all airborne particles, includi…
• Acetylene Cylinder ReinforcementAcetylene cylinder reinforcement refers to the porous filler material packed inside acetylene gas cylinders t…
• Acid-Digested AsbestosAcid-digested asbestos refers to asbestos fibers that have been chemically treated with strong acid to dissol…
• Acid-Resistant CementAcid-resistant cement is a specialized cementitious material formulated to withstand corrosive chemical envir…
• AsbestiformAsbestiform is a mineralogical term describing minerals that grow as long, thin, flexible fibers resembling a…
• Asbestos-CementAsbestos-cement is a hard building material made by mixing asbestos fibers into cement, used for pipes, corru…
• Asbestos-Cement PipeAsbestos-cement pipe (often called A/C pipe or by brand names like Transite) is a rigid pipe made by mixing P…
• Aspect Ratio (Length-to-diameter ratio)Aspect ratio is the length of a fiber divided by its width (diameter). For asbestos, regulatory and counting …
• Asphalt Roof CoatingAsphalt roof coating is a thick, brushable or sprayable bitumen-based material applied to roofs to waterproof…
• Battery BoxA battery box is the enclosure that houses a vehicle's or piece of equipment's storage batteries, historicall…
• biopersistenceBiopersistence is the ability of a fiber to remain in lung tissue over time without being dissolved, broken d…
• Bitumen LacquerBitumen lacquer is a black, tar-based protective coating made from bitumen (asphalt) dissolved in solvents, h…
• BituminousBituminous describes materials that contain or are made with bitumen, a thick, black, tar-like form of petrol…
• Calcium Silicate InsulationCalcium silicate insulation is a hard, molded insulation material used on high-temperature pipes, boilers, an…
• CalidriaCalidria is the trade name for a short-fiber chrysotile asbestos product mined and processed by Union Carbide…
• Cape Blue grading systemThe Cape Blue grading system was the commercial classification scheme used to sort and price crocidolite (blu…
• CapositeCaposite was a brand of high-temperature insulating block and pipe-covering material manufactured in the mid-…
• CavitationCavitation is the formation of vapor bubbles in a liquid due to a decrease in pressure, relevant in the flow …
• CC-6 paperCC-6 is a mixed cellulose ester (MCE) filter membrane historically used to collect airborne fibers for asbest…
• Chemical InertiaChemical inertia is the resistance of a substance to reacting with acids, bases, oxidizers, or biological flu…
• Cleavage FragmentCleavage fragments are small particles produced when a non-asbestiform mineral is crushed or broken along its…
• CleavingCleaving is the splitting of a mineral along well-defined planes of weakness built into its crystal structure…
• Cold-Molded ThermoplasticCold-molded thermoplastic refers to a class of insulating and structural materials made by pressing a binder …
• Composition FlooringComposition flooring is a category of resilient floor covering made by combining a binder (such as asphalt, v…
• CratonicCratonic describes anything pertaining to a craton, the ancient, stable interior portion of a continent that …
• Crystal MorphologyCrystal morphology is the external shape, form, and surface features of a mineral crystal, including whether …
• Crystal StructureCrystal structure is the repeating, three-dimensional arrangement of atoms inside a mineral. This internal pa…
• CrystallineCrystalline describes a solid in which the atoms are arranged in a precise, repeating three-dimensional patte…
• elongate mineral particles (EMPs)Elongate Mineral Particles, or EMPs, are microscopic mineral fragments that are much longer than they are wid…
• Expanded TransiteExpanded Transite refers to a class of lightweight asbestos-cement building boards in which the cement matrix…
• Fawn Colored Asbestos"Fawn colored asbestos" is a descriptive, non-technical term historically used to refer to amosite, a brown a…
• Fiber DimensionsFiber dimensions refer to the length and width (diameter) of asbestos fibers, and the ratio between them (asp…
• Fiber DurabilityFiber durability is how well an asbestos fiber resists breaking down or dissolving once it's in the lungs. Am…
• Fiber LengthFiber length is simply how long an individual asbestos fiber is, usually measured in micrometers (millionths …
• Fiber MorphologyFiber morphology refers to the physical shape and dimensions of a fiber, including its length, width, aspect …
• Fiber TransformationFiber transformation refers to the physical and chemical changes asbestos fibers undergo after being inhaled …
• Fiberized Bulk DensityFiberized bulk density is the weight per unit volume of an asbestos-containing material after its fibers have…
• FibrilA fibril is the smallest individual fiber unit within an asbestos bundle. Asbestos minerals, especially chrys…
• Fibril StructureThe internal arrangement of ultrafine, thread-like sub-fibers (called fibrils) that make up each visible asbe…
• FlexibilityFlexibility is the ability of a fiber to bend repeatedly without breaking. Among asbestos minerals, flexibili…
• Free filterabilityFree filterability refers to how readily asbestos fibers in a product or material can be released into the ai…
• FriableFriable describes a material that can be crumbled, pulverized, or reduced to powder by hand pressure when dry…
• Furfuryl Alcohol ResinFurfuryl alcohol resin is a heat-curable plastic-like binder made from furfuryl alcohol, a chemical derived f…
• GilsoniteGilsonite is a naturally occurring solid hydrocarbon (a type of asphaltite) mined primarily in the Uintah Bas…
• Group 7 ShortsGroup 7 Shorts is a historical commercial grade designation for short-fiber chrysotile asbestos under the Que…
• GruneriteGrunerite is an iron-rich silicate mineral in the amphibole group. When it grows in long, thin, flexible fibe…
• Hardness (Mohs Scale)The Mohs scale is a 1-to-10 ranking that compares minerals by which one can scratch another, with talc at 1 a…
• Haveg 41Haveg 41 was the phenolic-resin grade of Haveg, the acid-resistant asbestos-and-resin material that the Haveg…
• Haveg 60Haveg 60 is the name of a grade of Haveg, the acid-resistant asbestos-and-resin material that the Haveg Corpo…
• Host MatrixThe host matrix is the surrounding rock or geological material that contains asbestos fibers, for example, th…
• IncombustibilityIncombustibility is the property of a material that will not ignite, burn, or sustain a flame when exposed to…
• Index FibersIndex fibers are reference asbestos fibers (well-characterized samples of known mineral type, size, and origi…
• KayloKaylo was a brand of high-temperature calcium silicate thermal insulation made with asbestos, used widely to …
• Loose Volume WeightLoose volume weight is the mass of a loose, uncompacted material per unit of volume, often expressed in pound…
• LusterLuster is the way a mineral's surface reflects light. Mineralogists describe it with terms like metallic, vit…
• Marine SheathingMarine sheathing refers to the protective layers of insulation, lagging, and cladding installed on pipes, bul…
• MariniteMarinite is a brand name for a family of rigid, high-density insulating boards manufactured by Johns-Manville…
• Mass-FiberMass-fiber refers to bulk, visibly fibrous forms of asbestos that occur as compact bundles or veins of long, …
• Melamine FormaldehydeMelamine formaldehyde (MF) is a hard, heat-resistant thermosetting plastic made by reacting melamine with for…
• Metamorphic ProcessA metamorphic process is the geological transformation of existing rock into a new form through heat, pressur…
• Micro-Ground AnthophylliteMicro-ground anthophyllite refers to anthophyllite asbestos that has been mechanically pulverized or milled i…
• Mineral FiberA mineral fiber is any naturally occurring or processed inorganic crystal that grows in a long, thin, thread-…
• Mineral FillerA mineral filler is a finely ground, naturally occurring mineral powder added to a product to increase bulk, …
• Modulus of RuptureModulus of rupture (MOR) is a measurement of how much bending stress a material can withstand before it break…
• MonokoteMonokote is a brand of spray-applied fireproofing material originally manufactured by W.R. Grace & Company an…
• No. 1 Crude"No. 1 Crude" refers to the highest commercial grade of raw, unprocessed chrysotile asbestos fiber, character…
• OphioliteAn ophiolite is a slab of ancient oceanic crust and the upper mantle beneath it that has been pushed up onto …
• Phenolic ResinPhenolic resin (phenol-formaldehyde resin) is a synthetic thermosetting plastic made by reacting phenol with …
• PolycrystallineA polycrystalline material is made up of many small crystal grains packed together, rather than one continuou…
• polyfilamentousPolyfilamentous describes a fiber made up of many smaller, parallel filaments bundled together along its leng…
• PolytypesPolytypes are different structural forms of a mineral that share the same chemical composition and the same t…
• QAMA Grading SystemThe QAMA (Quality Assured Mineral Analysis) grading system is a framework used by analytical laboratories to …
• QAMA Group 4QAMA Group 4 refers to one of the categories within the Quality Assurance for Mineral Analysis (QAMA) program…
• Refractive IndexThe refractive index is a number that describes how much light slows down and bends when it enters a material…
• Reinforcement EfficacyReinforcement efficacy is a measure of how effectively a fiber strengthens a surrounding material when added …
• Respirable FiberA respirable fiber is an asbestos fiber small enough to be breathed deep into the lungs, past the body's natu…
• Respirable FractionThe respirable fraction is the portion of airborne dust or fibers small enough to be inhaled deeply into the …
• RiebeckiteRiebeckite is a sodium-rich amphibole mineral. When it grows in long, thin, flexible fibers (the asbestiform …
• Roof Felt Surface SprinkleRoof felt surface sprinkle refers to the granular mineral material applied to the top surface of asphalt-satu…
• Sedimentary ProcessSedimentary processes are the natural steps by which rock fragments, mineral grains, and chemical residues ar…
• Serpentine GroupThe serpentine group is a family of magnesium silicate minerals that form in curled, sheet-like layers. It in…
• Single CrystalA single crystal is a piece of mineral in which the atomic lattice continues unbroken from one end to the oth…
• Slip-FiberSlip-fiber is a form of asbestos that occurs as loose, parallel bundles of fibers lining slip planes or fault…
• Sorel CementSorel cement is a hard, fast-setting cement made by combining magnesium oxide powder with a magnesium chlorid…
• Sorel Cement FlooringSorel cement flooring is a type of industrial and commercial floor topping made from magnesium oxychloride ce…
• Specific GravitySpecific gravity is the ratio of a material's density to the density of water. It is a dimensionless number t…
• SpinnabilitySpinnability is the physical property that allows certain asbestos fibers (chiefly long, flexible chrysotile …
• Spray-Applied FireproofingSpray-applied fireproofing is a soft, fibrous insulating material sprayed onto steel beams and decking to slo…
• Stanton FibersStanton fibers are long, thin asbestos (or other mineral) fibers that fall within the size range identified b…
• Stress Corrosion CrackingStress corrosion cracking (SCC) is a type of material failure in which metal develops cracks because it is ex…
• Surface ReactivitySurface reactivity describes how chemically active the outer surface of an asbestos fiber is once it's inside…
• TailingsTailings are the leftover crushed rock, dust, and processing residue produced after a target mineral has been…
• Tensile StrengthTensile strength is the maximum pulling force a material can withstand before it stretches apart or breaks. I…
• Thermal StabilityThermal stability is a material's ability to keep its structure and chemical makeup intact when heated. Asbes…
• TransiteTransite is a brand name for asbestos-cement products, a hard, durable material made by mixing asbestos fiber…
• Twinned CrystalA twinned crystal is a single mineral specimen in which two or more crystal segments have grown together in a…
• Ultramafic RocksUltramafic rocks are igneous or metamorphic rocks with very low silica content (less than about 45%) and very…
• UnibestosUnibestos was a brand of high-temperature pipe and block insulation manufactured primarily with amosite (brow…
• Urea FormaldehydeUrea formaldehyde is a hard, heat-resistant synthetic resin made by reacting urea with formaldehyde. It was w…
• VitreousVitreous means glass-like, describing a material with the appearance, luster, or non-crystalline structure of…