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MATERIAL SAFETY DATA SHEET <br />Date: 11/14/97 Nos. 5046, 7011 <br />A. P. GREEN INDUSTRIES, INC. <br />GREEN BOULEVARD, MEXICO, MO 65265 <br />APGI Emergency Telephone Number - Call 573-473-3626 <br />Transportation Emergencies - Contact CHEMTREC at 800-424-9300 <br />International Emergencies - Contact CHEMTREC at 703-527-3887 <br />Health Emergencies - Contact Your Local Poison Center <br />SECTION I <br />PRODUCT NAME: LO-ABRADE <br />LO-ABRADE Plus <br />PRODUCT TYPE: Castable Refractory <br />Canadian WHMIS Classification: D,2 <br />0 <br />RCO-3 <br />RCO-3 Plus <br />RC -3 S/C <br />NFPA Rating: 1-0-0 <br />CHEMICAL FAMILY: Si02 = 34-37% AI203 = 54-57% FORMULA: Not Applicable <br />CaO = 4-5% Fe O = 1-2% <br />SECTION II <br />PRODUCT HAZARDOUS INGREDIENTS <br />CHEMICAL TLV-TWA CAS # <br />Cristobalite (Si02) 0.05 mg/m3' 14464-46-1 <br />(5-15%) Respirable Dust <br />Refractory Cement None (See Section V) 12005-57-1 <br />(15-25%) <br />`Source: American Conference of Governmental Industrial Hygienists, 1995-1996. <br />SECTION III <br />HAZARDS INFORMATION <br />This product contains crystalline silica. Prolonged exposure to dust may cause silicosis, a progressive <br />pneumoconiosis, or other respiratory diseases. International Agency for Research on Cancer (IARC) <br />has classified crystalline silica as Group 1. The agency states there is sufficient evidence of <br />carcinogenicity in humans. Reference: IARC Monograph 68. <br />Dust from product at any stage of its use or during tear-out after service may, especially on long <br />exposure, lead to lung disease unless respiratory protection is employed. NIOSH approved respirators <br />should be worn any time that refractories are torn out after service. While a respiratory hazard and/or <br />nuisance dust may exist from the product itself, other foreign substances may warrant additional <br />precautions during tearout and disposal.