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Mineral wool fiber |
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Synonyms & Trade NamesManmade mineral fibers, Rock wool, Slag wool, Synthetic vitreous fibers [Note: Produced by blowing steam or air through molten rock (rock wool) or various furnace slags that are by-products of metal smelting or refining processes (slag wool).] |
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CAS No. |
RTECS No.PY8070000 |
DOT ID & Guide |
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Conversion |
IDLHN.D.See: IDLH INDEX |
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Exposure LimitsNIOSH REL: TWA 3 fibers/cm3 (fibers with diameter < or = 3.5 µm & length > or = 10 µm.) TWA 5 mg/m3 (total)OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) |
Measurement MethodsNIOSH 0500 , 7400 See: NMAM or OSHA Methods |
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Physical DescriptionTypically, a mineral "wool" with diameters >0.5 µm & >1.5 µm in length. |
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MW:varies |
BP:NA |
MLT: ? | Sol:Insoluble |
VP:0 mmHg (approx) |
IP:NA |
Sp.Gr:? |
Fl.P:NA |
UEL:NA |
LEL:NA |
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Noncombustible Fibers | |||||
Incompatibilities & ReactivitiesNone reported |
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Exposure Routesinhalation, skin and/or eye contact |
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Symptomsirritation eyes, skin, respiratory system; dyspnea (breathing difficulty) |
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Target OrgansEyes, skin, respiratory system |
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Personal Protection/Sanitation(See protection codes)Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: No recommendation Change: Daily |
First Aid(See procedures)Eye: Irrigate immediately Breathing: Fresh air |
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Respirator Recommendations
NIOSH Up to 5X REL: Up to 10X REL: Up to 25X REL: Up to 50X REL: Up to 1000X REL: Emergency or planned entry into unknown concentrations or IDLH conditions: Escape: |
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See also: INTRODUCTION |
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