Fiber dust

Fiber dusts are dusts from inorganic or organic substances that have an elongated shape. Fibers that have a length of more than 5 µm, a diameter of less than 3 µm and a length-diameter ratio of more than 3: 1 play a special role because they can penetrate the deeper airways ( alveoli ). Fibers of this geometry are also referred to as WHO fibers or respirable fibers . These are considered to be potentially harmful if they are also biopersistent.

Some fiber dusts are believed to be risk factors for lung cancer , including asbestos , glass wool , rock wool , slag wool , and high temperature wool .

Special requirements apply to processing and disposal, which are specified in Germany in the Technical Rules for Hazardous Substances TRGS 521 "Demolition, renovation and maintenance work with old mineral wool" or in TRGS 519 "Asbestos - demolition, renovation or maintenance work" are.

See also

• Mineral fiber
• Fiber year

Web links

• Artificial mineral fibers (UmweltWissen - Bavarian State Office for the Environment; PDF file; 595 kB)
• TRGS 519 "Asbestos - demolition, renovation or maintenance work"
• TRGS 521 "Demolition, renovation and maintenance work with old mineral wool"
• TRGS 558 "Activities with high temperature wool"

Individual evidence

1. ↑ ^{a b} Markus Mattenklott, Rainer Van Gelder: Carbon fibers and carbon fiber reinforced plastics (CFRP) - Part 1: Characterization, exposure, assessment and protective measures. In: Hazardous substances - cleanliness. Air . 79, No. 9, 2019, ISSN  0949-8036 , pp. 317-322.