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Asbestos A- Z


Actinolite Type of amphibole asbestos. Chemical formula: Ca2(Fe2+Mg)5Si8O22(OH)2
Adhesives n/a
Air conditioning duct insulation n/a
Air conditioning gussets Made from woven chrysotile.
Amosite Type of amphibole asbestos. Commonly known as brown asbestos. Discovered in Transvaal, South Africa. The word amosite coined from "Asbestos Mines of South Africa" from the Amosa mine. Pale brown needle like fibres. Chemical formula:
Amphibole Group of minerals to which amosite, crocidolite, actinolite, tremolite and anthophyllite belong.
Anthophyllite Type of amphibole asbestos. Chemical formula: (MgFe2+)7Si8O22(OH)2
Aprons Made from woven chrysotile.
Arc shields Found on electrical switchboards. Made from moulded asbestos cement sheet. Also known as flash boards
Artificial snow n/a
Asbestos Collective term given to a group of naturally occurring fibrous or "asbestiform" varieties of a number of silicate minerals.
Asbestosis Scarring of the lung tissue caused by excessive exposure to asbestos.
Automotive body underseal n/a
Bituminous membranes Used as water proofing on rooftops and floors. Usually contains chrysotile, but sometimes amosite or crocidolite.
Blackboards Blackboards were made from asbestos cement sheet.
Blankets Made from woven chrysotile or crocidolite, often containing internal loose fill asbestos insulation. Used for thermal insulation/protection of steam pipe valves/flanges and as fire insulation in penetrations.
Blue asbestos See crocidolite
Boiler insulation n/a
Braid Made from woven chrysotile.
Brake linings Resin impregnated asbestos braid used on all vehicles, lifts, industrial lifting equipment etc.
Brown asbestos See amosite
Cable sheaths Woven chryotile sheath around cables for heat protection of internal electrical insulation.
Calorifier insulation n/a
Cement sheet Older asbestos cement sheet contained chrysotile, amosite and crocidolite. Use of crocidolite ceased in the late 1960's. Later cement sheet products contained only chrysotile until its use ceased in the early 1980's. Wide range of applications including: eaves, roofing sheets and shingles, external and internal wall cladding, ceilings, underlays, guttering, downpipes, flues, fences, ceramic tile backing, fish ponds, planter boxes and pots, phone box tops, switchboard linings, fire places, shower recesses, etc.
Chrysotile Commonly known as white asbestos. White, soft, curly fibres. Fibre bundles have splayed ends and kinks. Chemical formula: Mg3Si2O5(OH)4.
Cinema screens Made from woven chrysotile.
Clutch linings Resin impregnated asbestos braid.
Cooling towers Outer cladding and internal filler from asbestos cement sheet or internal plastic filler containing asbestos.
Crocidolite Type of amphibole asbestos. Commonly known as blue asbestos. Chemical formula: Na2(Fe2+Mg)3Fe3+Si8O22(OH)2
Curtains Made from woven chrysotile.
Durabestos Asbestos cement sheet manufactured by Wunderlich in Australia
Electrical applicances Insulations of various appliances including irons, hair dryers, TV sets, projectors etc
Electrical conduits Moulded asbestos cement sheet.
Exhaust pipe insulation n/a
Fibre When dealing with asbestos, a fibre is defined as a particle with a length greater than 5 micron, width less than 3 micron and with a length:width ratio of greater than 3:1.
Fibrolite Asbestos cement sheet manufactured by Hardie in Australia.
Filter materials Used on the beverage and food manufacturing industries for product filtering.
Fire blankets Made from woven chrysotile.
Fire curtains Made from woven chrysotile, used for fire protection in theatres between the stage and seating area.
Fire door insulation Central core of doors, generally containing an amosite and chrysotile composite material. Some hollow metal doors internally lines with millboard.
Fire stop insulation Either a woven asbestos bag containing loose fill asbestos insulation or a composite asbestos mix, used to fire proof penetrations.
Fishponds Constructed from moulded asbestos cement sheet.
Flowerpots Constructed from moulded asbestos cement sheet.
Flues Asbestos cement flues on heaters, hot water services, sanitary napkin incinerettes.
Fume hoods Walls, benchtop and/or baffle plates made from asbestos cement sheet.
Fuse blankets Small pieces of woven asbestos braid used to stop arcing in high voltage ceramic fuse blocks.
Galbestos Galvanised iron sheets with a coating of chrysotile on each site, covered by a coating of paint or bitumen. Available in flat, corrugated and other profiles.
Gaskets n/a
Gauss mats Asbestos impregnated wire mats used in laboratory applications
Gloves Made from woven chrysotile.
Hats Made from woven chrysotile.
Heat bank insulation. Amosite insulation blocks used in some brands of heat banks up until about 1976.
Ironing board covers Made from woven asbestos.
Latency period The period of time which passes between initially being exposed to airborne asbestos fibre and the disease being diagnosed. Depending upon the asbestos type and magnitude of exposure, the latency period can range from between 10 and 40 years.
Laboratory benchtops Made from compressed asbestos cement sheet.
Laboratory mats Commonly found in school laboratories under Bunsen burners. Made from asbestos cement sheet.
Laminates Containing chrysotile, generally used in high temperature applications.
Lift doors Internal core often containing asbestos insulation.
Limpet "Limpet" asbestos is a trade name used by J. W. Roberts Limited to market sprayed asbestos. Limpet was used for fire protection, thermal insulation, condensation control and acoustic insulation.
Lung cancer Cancer caused by excessive exposure to asbestos. Similar to that associated with tobacco smoking.
Macrophage n/a
Marinite A fire rated asbestos board used in ship building.
Matresses Made from woven chrysotile, often with internal loose fill asbestos material.
Membrane filter method Technique used to assess the airborne concentration of asbestos fibre. Involves drawing air through a membrane filter, with analysis being performed by phase contrast microscopy.
Millboard A soft asbestos cardboard like material. Normally containing chrysotile, but occasionally contains amosite and crocidolite. Many uses as a thermal insulator.
Monocote Sprayed insulation containing a small percentage of chrysotile.
Mortar n/a
Neg air unit Negative air unit used to maintain asbestos removal enclosures under negative pressure.
One fibre theory Theory that only one inhaled asbestos fibre can cause mesothelioma.
Oven insulation n/a
Paints n/a
Phase contrast microscopy Technique used for the analysis of airborne asbestos fibre.
Pipe insulation Provide thermal insulation to steam and hot water pipes. The most commonly encountered insulation installed as preformed sections containing amosite (brown asbestos), with an external cladding of calico or metal sheathing. Small diameter pipes may also be insulated by wrapping strips of flexible asbestos containing board.
Pipes Asbestos cement pipes used for fresh water supply, storm-water and sewerage systems.
Polarised light microscopy Microscopic technique used for the confirmation of asbestos content and type within bulk samples.
Plaster cornice adhesive Mostly contained chrysotile, but sometimes amosite.
Plastics Asbestos was incorporated as a filler material in many common plastic polymers such as PVC, polypropylene and nylon.
Plural plaques n/a
Re-heat box insulation n/a
Removal Removal of asbestos containing materials
Render n/a
Road way pits Constructed of moulded asbestos cement.
Rope Generally made from chrysotile, but sometimes crocidolite. May also contain amosite
Proximity suits Woven chrysotile full body suits used by fire fighters. The more modern suits are internally lines with non-asbestos fabric, with the external surface sealed with an aluminium coating to assist in reflection heat.
Quasi-arc rods Welding rods wrapped in asbestos string.
Roadway surfaces n/a
Shadowline Moulded asbestos cement sheeting
Seals n/a
Serpentine Group of minerals to which chrysotile asbestos belongs.
Shotgun shell wads n/a
Socks Made from woven chrysotile. Reported to cure corns and bunions.
Spackle Asbestos present mainly in the top-coat.
Steriliser insulation n/a
String n/a
Switchboards Older black electrical switchboards manufactured from coal tar pitch and asbestos (usually chysotile). Brand names include "zelemite" and "miscolite"
Sprayed insulation See "Limpet"
Steam engine insulation n/a
Super Six Corrugated asbestos cement sheet.
Talc Asbestos (usually tremoliteor anthophyllite) can be found as a natural contaminant in talc.
Tasbestos Asbestos cement sheet manufactured by Goliath Portland Cement Co. in Australia.
Telecommunications pits Underground pits made from moulded asbestos cement sheet.
Telephone boxes The dome top on the old red phone boxes was made from moulded asbestos cement sheet.
Textiles Various products made from woven chrysotile or crocidolite.
Tilux Laminated flat asbestos cement sheet with various decorative pattern designs. General used in wet areas such as shower recesses, bathrooms and kitchens.
Tremolite Type of amphibole asbestos. Chemical formula: Ca2Mg5Si8O22(OH)2
Underlays Asbestos millboard or cement sheet used as underlays to vinyl flooring and cement sheet used as underlay to ceramic floor tiles.
Valve packing n/a
Vermiculite Asbestos (usually tremolite) can be found as a natural contaminant in vermiculite.
Vinyl floor tiles Chrysotile asbestos used in vinyl tiles until about 1985. Older tiles contained up to 28% asbestos, while the 1980's vintage tiles still contained 8% asbestos.
Vinyl floor sheeting Asbestos millboard/paper sheeting used as backing to upper layer of non asbestos vinyl sheeting.
Welding blankets Made from woven chrysotile.
Welding rods Welding rods were wrapped with asbestos string. Chrysotile and/or crocidolite.
White asbestos See chrysotile
Wittenoom Location of a crocidolite mine in the Hammersley Ranges, Western Australia. Deposit was first discovered by Lang Hancock and later exploited by subsidiary companies to CSR.
X-ray diffraction Laboratory technique used for the identification of asbestos in bulk samples. Usually used as a means of confirming analysis by polarised light microscopy.
Zelemite See switchboards


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