Krízový Manažment 2011, 10(3):33-40 | DOI: 10.26552/krm.C.2011.3.33-40

THE SAFETY OF BUILDING INSULATION MATERIALS

Veronika VEĽKOVÁ1, Anton OSVALD2, Vladimír LALÍK3, Martin ZACHAR4
1 Katedra chémie a chemických technológií, Drevárska fakulta, Technická univerzita vo Zvolene, T. G. Masaryka 24, 96053 Zvolen
2 Katedra požiarneho inžinierstva, Fakulta špeciálneho inžinierstva, Žilinská univerzita, ul. 1. Mája 32, 01026 Žilina
3 Slovenská inšpekcia životného prostredia, Jegorovova 29 B, 97401 Banská Bystrica
4 Katedra protipožiarnej ochrany, Drevárska fakulta, Technická univerzita vo Zvolene, T.G.Masaryka 24, 96053 Zvolen

This paper brings new information on pollutants produced by combustion of building materials based on PUR. The subject of evaluation was the emission of hydrogen cyanide, a important PUR combustion product from toxicology point of view. Sample collection, laboratory sample analysis and comparison of results with the legislation limits were performed.
Sampling was conducted by standard sampling equipment supplied by co. EMIMAT. Samples were taken by stainless steel sampling probe connected to a set of absorbers filled with absorber solution by a silicone tubes. Subsequent to absorbers was a layer of silica gel to separate the gas moisture. Gas flow was determined by flow meter and supplied by membrane pump. Concentration of pollutants was analyzed by colorimetry, which is a analytic method recommended for HCN analysis by several authors. Results were corrected for standard conditions (20ºC, 101,3 kPa) and compared with highest acceptable exposition limit (NPEL). According to government regulation no. 300/2007 coll., appendix no. 1, highest acceptable exposition limit for HCN in work environment air is 2,1 mg/m3. Measured values of HCN were in range from 10 to 160 mg in analysed combustion gases. Results indicate that acceptable limits according to legislation were exceeded several times.

Keywords: fire resistance, toxicity integrated security

Published: September 30, 2011  Show citation

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VEĽKOVÁ, V., OSVALD, A., LALÍK, V., & ZACHAR, M. (2011). THE SAFETY OF BUILDING INSULATION MATERIALS. Krízový Manažment, 10(3), 33-40. doi: 10.26552/krm.C.2011.3.33-40
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