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: (Fe2+Mg)5Si8O22(OH)2 |
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 |