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Section III - Hazardous Ingredients (1) I M P O R T A N T ! This section covers the materials from which this product is manufactured. The fumes and gases produced during welding with the normal use of this product are covered by Section VII; see it for industrial hygiene information. CAS Number shown is representative for the ingredients listed. All ingredients listed may not be present in all sizes. (1) The term “hazardous” in “Hazardous Ingredients” should be interpreted as a term required and defined in the Hazardous Products Act anddoes not necessarily imply the existence of any hazard. Ingredients: CAS No. Wt. % TLV mg/m3 LD50 (Route/Species) LC50 mg/m3 (Route/Species) Titanium dioxides 13463-67-7 10-30 10 Not Available Not Available Mineral silicates 1332-58-7 5-10 5** 590 g/kg LDLo (oral/rat) reproductive Not Available Chromium and chromium alloys or compounds (as Cr) 7440-47-3 1-5 0.5(b) 2.16 mg/kg LDLo (intravenous/rat)tumorigenic Not Available Limestone and/or calcium carbonate 1317-65-3 1-5 10 Not Available Not Available Silicates and other binders 1344-09-8 1-5 10* 1153 mg/kg (oral/rat) Not Available Iron 7439-89-6 1-5 10* Not Available Not Available Iron oxides 65996-74-9 1-5 5 Not Available Not Available Manganese and/or manganese alloys and compounds (as Mn) 7439-96-5 0.1-1 0.2 9 g/kg (oral/rat) 2.3 LCLo (inhalation/human) Quartz 14808-60-7 0.1-1 #0.05** 200 mg/kg LDLo (intratracheal/rat) 300 LCLo (inhalation/human) Fluorides (as F) 7789-75-5 0.1-1 2.5 4250 mg/kg (oral/rat) Not Available Niobium alloys (as Nb) (347 type only) 7440-03-1 0.1-1 10* Not Available Not Available Cobalt 7440-48-4 0.1-1 .02 6170 mg/kg (oral/rat) Not Available Nickel (metal) (2100 type only) 7440-02-0 0.1-1 1.5 50 mg/kg LDLo (intravenous/mouse) Not Available Molybdenum alloys (as Mo) (316 type only) 7439-98-7 0.1-1 10 114 mg/kg LDLo (intraperitoneal/rat) Not Available Lithium compounds (as Li) 554-13-2 0.1-1 10* 4111 mg/kg LDLo (oral/human) Not Available Stainless steel core wire 60-100 Nominal core wire composition: Chromium 7440-47-3 20-30 0.5(b) 2.16 mg/kg LDLo (intravenous/rat)tumorigenic Not Available Nickel 7440-02-0 10-13 1.5 50 mg/kg LDLo (intravenous/mouse) Not Available Molybdenum (316 type only) 7439-98-7 2.5 10 114 mg/kg LDLo (intraperitoneal/rat) Not available Manganese 7439-96-5 2.0 0.2 9 g/kg (oral/rat) 2.3 LCLo (inhalation/human) Iron 7439-89-6 bal. 10* Not Available Not Available Notes: (*) Not listed. Nuisance value maximum is 10 milligrams per cubic meter. TLV value for iron oxide is 5 milligrams per cubic meter. (**) As respirable dust. (LDLo, LCLo) Lowest published toxic concentration. (b) The OSHA PEL for chromium (VI) is 5 micrograms (0.005 milligrams) per cubic meter. The TLV for water soluble chromium (VI) is 0.05 milligrams per cubic meter and theTLV for insoluble chromium (VI) is 0.01 milligrams per cubic meter. (#) Crystalline silica (quartz) is on the IARC (International Agency for Research on Cancer) and NTP (NationalToxicolog...

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