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Instruções de Operação Lincoln Electric, Modelo NR-212

Fabricante : Lincoln Electric
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Arquivo Nome : c14f462f-5639-44fa-9548-522eaa5a35cb.pdf
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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 and does not necessarily imply the existence of any hazard. Ingredients: CAS No. Wt. % TLV mg/m3 LD50 (Route/Species) LC50 mg/m3 (Route/Species) Iron 7439-89-6 1-5 10* Not Available Not Available Barium compounds (as Ba) 513-77-9 1-5 **** 11 mg/kg LDLo (oral/human) Not Available Aluminum and/or aluminum alloys (as Al) 7429-90-5 1-5 10 Not Available Not Available Manganese and/or manganese alloys and compounds (as Mn) 7439-96-5 1-5 0.2 9 g/kg (oral/rat) 2.3 LCLo (inhalation/human) Strontium compounds (as Sr) 1633-05-2 1-5 10* Not Available Not Available Magnesium and/or magnesium alloys and compounds (as Mg) 7439-95-4 1-5 10* 230 mg/kg LDLo (oral/dog) Not Available Fluorides (as F) 7789-75-5 1-5 2.5 4250 mg/kg (oral/rat) Not Available Nickel (metal) 7440-02-0 1-5 1.5 50 mg/kg LDLo (intravenous/mouse) Not Available Mineral silicates 1332-58-7 1-5 5** 590 g/kg LDLo (oral/rat) reproductive Not Available Silicon and/or silicon alloys and compounds (as Si) 7440-21-3 0.1-1 10* Not Available Not Available Zirconium alloys and compounds (as Zr) 12004-83-0 0.1-1 5 Not Available Not Available Lithium compounds (as Li) 554-13-2 0.1-1 10* 4111 mg/kg LDLo (oral/human) Not Available Carbon steel tube 7439-89-6 60-100 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. (****) There is no listed value for insoluble barium compounds. The TLV for soluble barium compounds is 0.5 mg/m3. Section IV - Physical Data Physical data such as odor, vapor pressure, density, evaporation rate and freezing or boiling points are not listed as they are not applicable to this product and its use. Section V - Hazard Data Non Flammable; Welding arc and sparks can ignite combustibles and flammable products. See CSA W117.2 Section 9.7 as referenced in Section VIII. Product is inert, no special handling or spill procedures required. Rev 9/07 (CONTINUED ON SIDE TWO) Product: Innershield NR-212 Date: 5/19/2008 Section VI - Health Hazard Data and Toxicological Properties Acute Lethality Values: LC50 means the concentration of a substance in air that when administered by means of inhalation over a specified length of time in an animal assay, is expected to cause the death of 50% of a defined animal population. LD50 means the single dose of a substance that, when administered by a defined route in an animal assay, is expected to cause the death of 50% of a defined animal population. Threshold Limit Value: The ACGIH recommended general limit for Welding Fume NOS - (Not Otherwise Specified) is 5 mg/m3. The TLV-TWA is the time-weighted average concentration for a normal 8-hour workday and a 40 hour workweek, to which nearly all workers may be repeatedly exposed, day after day, without adverse effect. See Section VII for specific fume constituents which may modify this TLV. Threshold Limit Values are figures published by the American Conference of Government Industrial Hygienists. Effects of Overexposure: Electric arc welding may create one or more of the following health hazards: Fumes and Gases can be dangerous to your health. Common entry is by inhalation. Other possible routes are skin contact and ingestion. Short-term (acute) overexposure to welding fumes may result in discomfort such as metal fume fever, dizziness, nausea, or dryness or irritation of nose, throat, or eyes. May aggravate pre-existing respiratory problems (e.g. asthma, emphysema). Long-term (chronic) overexposure to welding fumes can lead to siderosis (iron deposits in lung) and may affect pulmonary function. Manganese overexposure can affect the central nervous system, resulting in impaired speech and movement. Bronchitis and some lung fibrosis have been reported. Repeated exposure to fluorides may cause excessive calcification of the bone and calcification of ligaments of the ribs, pelvis and spinal column. May cause skin rash. Nickel and its compounds are on the IARC (International Agency for Research on Cancer) and NTP (National Toxicology Program) lists as posing a cancer risk to humans. Nickel compounds are skin sensitizers with symptoms usually occurring after repeated exposure - ranging from a slight itch to severe dermatitis. Arc Rays can injure eyes and burn skin. Skin cancer has been reported. Electric Shock can kill. If welding must be performed in damp locations or with wet clothing, on metal structures or when in cramped positions such as sitting, kneeling or lying, or if there is a high risk of unavoidable or accidental contact with workpiece, use the following equipment: Semiautomatic DC Welder, DC Manual (Stick) Welder, or AC Welder with Reduced Voltage Control. Section VII - Reactivity Dat...


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