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Compressed Asbestos Fibre Jointings
Compressed Asbestos fibre jointings are manufactured from
carefully selected chrysotile fibres, intimately blended with suitable
heat resisting binders and fillers and vulcanised into sheets of
homogenous compositions and uniform thickness. To avoid the necessity of
producing perfect finish on the contact faces of a mechanical assembly,
which is not only costly but quite often impracticable, a gasket of
compressed asbestos fibre jointings enables a tight seal to be created and
maintained between separable members. The seal is effected by the
yielding, or the flow of the jointing material into the imperfections of
the joint contact faces. In this way the gasket provides an unbroken
barrier of homogenous structure through which no pathways exist for escape
of the confined media.
Important Factors
& Characteristics while Selecting Jointing Materials
- Choice of Jointing Grade
- Type of Confined Media
- Flange Surface Finish
- Gasket and Bolt Configuration
- Clamping Pressure
- Choice of Thickness
- Dimensions
- Compressibility
- Recovery
- Stress Relaxation
Asbestos ?
It is Hazardous Material
Being No. 1 in Industry, we at Ferolite
Jointings Ltd feel it necessary to dispel any lingering doubts about the
use of this extremely versatile material, called Asbestos.
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Asbestos fibre is not a health
hazard unless its dust becomes airborne and when such dust is
continuously inhaled in large amounts over a prolonged period.
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Asbestos is a naturally occurring
mineral which is inert and is not toxic to touch, smell or ingestion.
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Safe use of asbestos is possible by
exercising adequate engineering controls and work practices. Most
responsible manufactures have ensured that this is taken care of and
that the dust levels are maintained within the prescribed limit by the
competent authority.
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The products manufactured by
Ferolite are either dust suppressed or fibre encapsulated. This
results in the fibres being "locked in" thereby preventing
dust emission in handling and its end use.
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A careful evaluation of alternate
materials to asbestos has established that they pose a greater health
hazard and the long term effects of such substitutes are yet to be
determined.
It is noteworthy that past problems
associated with the use of asbestos were confined to the workplace alone.
There is no evidence of any associated health problem connected with the
end use of asbestos containing products. In fact, extensive scientific and
medical studies carried out over the years have established that such
products do not present any environmental risk and pose no threat to the
general public.
Studies by WHO & also by National Institute of Occupational Safety and
Health (NIOSH) as confirmed that health concerns are unjustified on the
contrary asbestos helps in fighting cholera. WHO also concluded that
"concentrations of asbestos in drinking water resulting from the use
of A / C pipe do not present a hazard to human health".
Not very long ago there was a storm in the United States regarding the use
of asbestos. Fortunately, it turned out to be just another storm in tea
cup.
Taking all these factors into consideration, the proposed ban on the use
and manufacture of asbestos containing products sought to be imposed by
the US based Environmental Protection Agency was struck down by the US
Court of Appeals in 1991. As a consequence E.P.A. lifted its ban on
asbestos products in November 1993.
For more information/details on Asbestos-related products, do write to us.
 
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