DIN Standards Committee Elastomer Technology
DIN 22100-4
Articles and materials from synthetic for use in underground mines - Part 4: Flat air ducts - Safety requirements, testing, marking
Betriebsmittel und Betriebsstoffe aus Kunststoffen zur Verwendung in Bergwerken unter Tage - Teil 4: Flachlutten - Sicherheitstechnische Anforderungen, Prüfungen, Kennzeichnung
Overview
Synthetics which are used in German underground mines shall meet particular safety requirements. The standard contains requirements and test methods for fire protection, explosion prevention (electrostatics) and hygienic properties of flat air ducts. Flat air ducts in accordance with DIN 21606 are flexible plastic ventilation ducts which are used for forced ventilation. The standard has been prepared by Working Committee NA 008-07-05 AA "Kunststoffe" ("Synthetics") of FABERG.