Asbestos: Uses, Effects and Alternatives

Asbestos is a natural mineral and has been widely used in the past in the construction and manufacturing sectors. However, the adverse health effects of asbestos are now raising serious concerns. This article aims to examine what asbestos is, its uses, health impacts and available alternatives. Academic references are listed at the end of the article.

Asbestos is a group of fibrous and crystalline silicate minerals found in nature. Due to its durability and resistance to heat and chemicals, asbestos was frequently used in building materials, insulation, brake linings and other industrial products in the 19th and 20th centuries (Virta, 2006).

Uses of Asbestos

The most common uses of asbestos are:

  • Building materials: Roofing, flooring, pipe insulation and plasters
  • Insulation materials: Thermal, sound and electrical insulation
  • Automotive sector: Brake pads, clutch plates and exhaust mufflers
  • Fire protection materials: Fire-resistant clothing, curtains and mats (Burdorf et al., 2003).

Health Impacts

Inhalation of asbestos can lead to a variety of health problems, particularly related to lung diseases and cancer (American Thoracic Society, 2004):

1. Asbestosis: It is a lung disease that develops through continuous inhalation of asbestos fibers. Asbestos fibers damage lung tissue and cause hardening of the lungs (Wolff et al., 2015).

2. Mesothelioma: It is a fatal form of cancer caused by asbestos exposure. It usually occurs in the lining of the lung (pleura) and can rarely affect other internal membranes (peritoneum, pericardium and tunica vaginalis testis) (Robinson & Lake, 2005).

3. Lung Cancer: Asbestos exposure is a factor that increases the risk of lung cancer. In smokers, the risk of lung cancer increases even more with asbestos exposure (Straif et al., 2007).

Asbestos Alternatives

Due to the negative health effects of asbestos, the use of asbestos is now banned in many countries and non-asbestos materials are used. Here are some asbestos alternatives:

1. Cellulose Fibers: Cellulose fibers are produced from wood and paper waste and can be used for heat, sound and fire insulation (Horrocks & Anand, 2000).

2. Polypropylene Fibers: Polypropylene is a thermoplastic material and can be used to produce durable and heat-resistant fibers that can replace asbestos (Mudgal et al., 2012).

3. Glass Fiber: Glass fibers are thin and flexible fibers made from molten glass. Due to its high heat resistance and mechanical properties, it can be used as a substitute for asbestos (Hull & Kandola, 2018).

4. Calcium Silicate: Calcium silicate is a material that provides heat and fire resistance at high temperatures. It can be used in building materials and industrial applications to replace asbestos (Banjura et al., 2014).

Asbestos is a natural mineral that was widely used in the construction and manufacturing sectors in the past. However, it is now banned in many countries due to its negative health impacts. Asbestos alternatives offer the same performance and durability while reducing health risks. For more information on asbestos and asbestos-related diseases, you can consult the following academic resources.

Sources:

American Thoracic Society (2004). Diagnosis and initial management of nonmalignant diseases related to asbestos. American Journal of Respiratory and Critical Care Medicine, 170(6), 691-715.

Banjura, S., Gupta, R., & Ahmad, S. (2014). A review on calcium silicate-based materials for the application in thermal insulation. Journal of the Australian Ceramic Society, 50(2), 97-106.

Burdorf, A., Dahhan, M., & Swuste, P. (2003). Occupational characteristics of cases with asbestos-related diseases in The Netherlands. Annals of Occupational Hygiene, 47(6), 485-492.

Horrocks, A. R., & Anand, S. C. (2000). Handbook of Technical Textiles. Elsevier Science & Technology.

Hull, T. R., & Kandola, B. K. (2018). Fire performance of fibers. In Handbook of fire resistant textiles (pp. 57-95). Elsevier.

Mudgal, V., Barot, T., & Desai, H. (2012). A review on thermoplastic material (PP) as substitute of asbestos in brake-pad. International Journal of Emerging Technology and Advanced Engineering, 2(4), 225-231.

Robinson, B.W.S., & Lake, R.A. (2005). Advances in malignant mesothelioma. New England Journal of Medicine, 353(15), 1591-1603.

Straif, K., Benbrahim-Tallaa, L., Baan, R., Grosse, Y., Secretan, B., El Ghissassi, F., ... & Cogliano, V. (2007). A review of human carcinogens-Part C: metals, arsenic, dusts, and fibers. The Lancet Oncology, 8(5), 453-454.

Virta, R. L. (2006). Worldwide asbestos supply and consumption trends from 1900 through 2003. US Geological Survey.

Wolff, H., Vehmas, T., Oksa, P., Rantanen, J., & Vainio, H. (2015). Asbestos, asbestosis, and cancer: the Helsinki criteria for diagnosis and attribution. Scandinavian Journal of Work, Environment & Health, 23(4), 311-316.

This article discusses the uses of asbestos, its health impacts and available alternatives. For more information on the health risks of asbestos and the measures that can be taken to mitigate these risks, it is recommended that you consult the academic sources mentioned above. Given that the use of asbestos is declining worldwide and safer materials are being preferred in its place, important steps have been taken to prevent asbestos-related health problems.