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www.byronruizg.com www.byronruizg.com Insulating Our World We can conclude that heated Superwool ® fibres display no hazardous activity related to any silica they may contain. This result, coupled with the very low crystalline silica exposures during furnace maintenance and wrecking, means that there is unlikely to be any risk of crystalline silica related diseases from employment in these activities. Prof. R.C. Brown. Toxicology Services, Stretton, Rutland 1 Miller BG, Searl A, Davis JMG, Donaldson K, Cullen RT, Bolton RE, Buchanan D, Soutar CA 1999 Influence of fiber length, dissolution and low biopersistence on the production of mesothelioma in the rat peritoneal cavity Ann Occup Hyg; 43:155-66 Silica activity in fibres as a proportion of activity of quartz (DQ12) 100 80 60 40 20 0 -20 1 2 3 4 5 6 Fibre type 7 8 9 10 Key to results: 1: DQ12 quartz (silica reference) 2: Superwool ® 607 ® & Plus 1100ºC for 7 days 3: Superwool ® 607 ® & Plus 950ºC for 28 days 4: Superwool ® 607 ® Max 1050ºC for 28 days 5: Superwool ® 607 ® Max 1200ºC for 7 days 6: Superwool ® 607 ® HT 1150ºC for 28 days 7: Superwool ® 607 ® HT 1300ºC for 7 days 8: Superwool ® 607 ® & Plus unheated 9: Superwool ® 607 ® Max unheated 10: Superwool ® 607 ® HT unheated 58
www.byronruizg.com www.byronruizg.com SECTION 4 Contamination and pollution study... The resistance of Superwool ® , RCF and competitive AES fibre to pollution from elements which may be found in kilns operating at high temperature. 59
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