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MSDS
SECTION 16
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After Service CL4Fire Ductwrap Removal

Amorphous calcium-magnesium-silicate fibers may devitrify and form cristobalite (a form of crystalline silica) when used at temperatures above 1000ºC for sustained periods. Chronic exposure to respirable crystalline silica may lead to lung disease. IARC has concluded that

"Crystalline silica inhaled in the form of quartz or cristobalite from occupation sources is carcinogenic to humans (Group 1)."

IARC Monograph 68, June 1997, p210-211

OSHA Requirements

The Occupational Safety and Health Administration (OSHA) has adopted a permissible exposure limit (PEL) for respirable Cristobalite at 0.05 mg/m3. When needed, the use of proper exposure controls and respiratory protection is recommended to reduce potential health risks and to ensure compliance with OSHA requirements. The evaluation of workplace hazards and the identification of appropriate respiratory protection are best performed, on a case by case basis, by a qualified Industrial Hygienist.

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MATERIAL SAFETY DATA SHEET
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1. Chemical Product and Company Identification
2. Ingredients / Composition
3. Hazards Identification
4. First Aid Measures
5. Fire Fighting Measures
6. Accidental Release Measures
7. Handling and Storage
8. Exposure Controls and Personal Protection
9. Physical and Chemical Properties
10. Stability and Reactivity
11. Toxicological Information
12. Ecological Information
13. Disposal Information
14. Transport Information
15. Regulatory Information
16. Other Information