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EMUGE HIGH PERFORMANCE TOOLS MATERIAL SAFETY DATA SHEET CHEMICAL NAME: CEMENTED TUNGSTEN CARBIDE PRODUCT WITH COBALT BINDER TRADE NAME: ALL LMT-FETTE TUNGSTEN CARBIDE GRADES CHEMICAL FAMILY: REFRACTORY METAL CARBIDE MOLECULAR WEIGHT: N/A
APPEARANCE: DARK GRAY METAL ODOR: ODORLESS BOILING POINT: N/A SPECIFIC GRAVITY (H2O = 1): 11.0 - 15.5 VAPOR PRESSURE: N/A PERCENT VOLATILE BY VOLUME: 0 VAPOR DENSITY: N/A EVAPORATION RATE: N/A SOLUBILITY IN WATER: INSOLUBLE MONITORING METHOD: AIR SAMPLE
MATERIAL CAS NUMBER % BY WEIGHT TUNGSTEN CARBIDE 12070-12-1 30.0-97.7 COBALT 7440-48-4 2.0-25.0 TANTALUM CARBIDE 12070-06-3 0.1-15.0 TITANIUM CARBIDE 12070-08-5 0.1-15.0 NIOBIUM CARBIDE 12069-94-2 0.1-15.0 MATERIAL OSHA ACGIH NFPA HAZARD RATING SCALE 1-4 TLV-TWA TLV-TWA HEALTH FIRE REACTIVITY (MG/M3) (MG/M3) TUNGSTEN CARBIDE 5 5 NO RATING 0 0 COBALT 0.05 0.05 1 3 0 TANTALUM CARBIDE 5 5 NO RATING 0 0 TITANIUM CARBIDE 5 5 NO RATING 0 0 NIOBIUM CARBIDE 5 5 NO RATING 0 0
ROUTES OF EXPOSURE: GRINDING CEMENTED TUNGSTEN CARBIDE PRODUCT WILL PRODUCE DUST OF POTENTIALLY HAZARDOUS INGREDIENTS WHICH CAN BE INHALED, SWALLOWED, OR COME IN CONTACT WITH SKIN AND/OR EYES. INHALATION: DUST FROM GRINDING CAN CAUSE IRRITATION OF THE NOSE AND THROAT. IT ALSO HAS THE POTENTIAL FOR CAUSING TRANSIENT OR PERMANENT RESPIRATORY DISEASE, INCLUDING OCCUPATIONAL ASTHMA AND INTERSTITIAL FIBROSIS IN A SMALL PERCENTAGE OF EXPOSED INDIVIDUALS, IT IS REPORTED THAT COBALT DUST IS THE MOST PROBABLE CAUSE OF SUCH RESPIRATORY DISEASES. SYMPTOMS INCLUDE PRODUCTIVE COUGH, WHEEZING, SHORTNESS OF BREATH, CHEST TIGHTNESS AND WEIGHT LOSS. INTERSTITIAL FIBROSIS (LUNG SCARRING) CAN LEAD TO PERMANENT DISABILITY OR DEATH. SKIN CONTACT: CAN CAUSE IRRITATION OR AN ALLERGIC SKIN RASH DUE TO COBALT SENSITIZATION. EYE CONTACT: CAN CAUSE IRRITATION. INGESTION: REPORTS OUTSIDE THE INDUSTRY SUGGEST THAT INGESTION OF SIGNIFICANT AMOUNTS OF COBALT HAS THE POTENTIAL FOR CAUSING BLOOD, HEART AND OTHER ORGAN PROBLEMS. EMERGENCY AND FIRST AIDE PROCEDURES: APPLICABLE FOR DUSTS AND/OR MISTS INHALATION: IF SYMPTOMS OF PULMONARY INVOLVEMENT DEVELOP (COUGHING, WHEEZING, SHORTNESS OF BREATH, ETC.) REMOVE FROM EXPOSURE AND SEEK MEDICAL ATTENTION. SKIN CONTACT: IF IRRITATION OR RASH OCCURS, THOROUGHLY WAS AFFECTED AREAS WITH SOAP AND WATER AND ISOLATE FROM EXPOSURE. IF IRRITATION OR RASH PERSISTS, SEEK MEDICAL ATTENTION. EYE CONTACT: IF IRRITATION OCCURS, FLUSH WITH COPIOUS AMOUNTS OF WATER. IF IRRITATION OR RASH PERSISTS, SEEK MEDICAL ATTENTION. INGESTION: IF SUBSTANTIAL QUANTITIES ARE SWALLOWED, DILUTE WITH LARGE AMOUNTS OF WATER. INDUCE VOMITING AND SEEK MEDICAL ATTENTION. CARCINOGENIC ASSESSMENT (NPT ANNUAL REPORT, LARC MONOGRAPHS, OTHER): COBALT HAS BEEN LISTED AS A SUSPECTED CARCINOGEN ON THE NIOSH TOXIC SUBSTANCE LIST.
FLASH POINT: N/A TEST METHOD USED: FLAMMABLE LIMITS: N/A LEL: UEL: HARD CEMENTED TUNGSTEN CARBIDE PRODUCT IS NOT A FIRE HAZARD. DUSTS GENERATED IN GRINDING OPERATIONS MAY IGNITE IF ALLOWED TO ACCUMULATE AND ARE SUBJECT TO AN IGNITION SOURCE. EXTINGUISHING: FOR POWER FIRES, SMOTHER WITH DRY SAND, DRY DOLOMITE, ABC TYPE FIRE EXTINGUISHER OR FLOOD SPECIAL FIRE FIGHTING PROCEDURE: FOR POWDER FIRE CONFINED TO A SMALL AREA, USE A RESPIRATOR APPROVED FOR TOXIC DUSTS AND FUMES. FOR A LARGE FIRE, FIRE FIGHTERS SHOULD USE SELF-CONTAINED BREATHING APPARATUSES. UNUSUAL FIRE AND EXPLOSION HAZARDS: DUSTS MAY PRESENT A FIRE OR EXPLOSION HAZARD UNDER RARE FAVORING CONDITIONS OR PARTICULAR SIZE, DISPERSION AND STRONG IGNITION SOURCE. HOWEVER, THIS IS NOT EXPECTED TO BE A PROBLEM UNDER NORMAL HANDLING CONDITIONS.
STABILITY: ( ) UNSTABLE (X) STABLE CONDITION TO AVOID: N/A INCOMPATIBILITY: CONTACT OF DUST WITH STRONG OXIDIZERS MAY CAUSE FIRE OR EXPLOSION. MATERIALS TO AVOID: STRONG ACIDS HAZARDOUS DECOMPOSITION PRODUCTS: NONE HAZARDOUS POLYMERIZATION: ( ) MAY OCCUR (X) WILL NOT OCCUR CONDITIONS TO AVOID: N/A THIS PRODUCT CONTAINS THE FOLLOWING CHEMICAL SUBJECT TO THE REPORTING REQUIREMENTS OF SARA 313, 40 CFR 372: CAS NUMBER: 7440-48-4 CHEMICAL NAME: COBALT PERCENT BY WEIGHT: 2.0-25.0
STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: VENTILATE AREA OF SPILL. CLEAN UP USING METHODS THAT AVOID DUST GENERATION SUCH AS: VACUUM (WITH APPROPRIATE FILTER TO PREVENT AIRBORNE DUST LEVELS WHICH EXCEED THE OSHA PEL OR THE ACGIH TLV), WET DUST MOP OR WET CLEAN UP. IF AIRBORNE DUST IS GENERATED, USE AN APPROPRIATE NIOSH APPROVED RESPIRATOR. WASTE DISPOSAL METHOD: DISPOSE OF IN ACCORDANCE WIT APPROPRIATE GOVERNMENT REGULATIONS. MAY BE SOLD AS SCRAP FOR RECLAIM.
RESPIRATORY PROTECTION: USE AN APPROPRIATE NIOSH APPROVED RESPIRATOR IF AIRBORNE DUST CONCENTRATIONS EXCEED THE APPROPRIATE OSHA PEL OR THE ACGIH TLV. ALL APPROPRIATE REQUIREMENTS SET FORTH IN 29 CRF 1910.134 SHOULD BE MET. VENTILATION: USE LOCAL EXHAUST VENTILATION WHICH IS ADEQUATE TO LIMIT PERSONAL AIRBORNE DUST EXPOSURE TO LEVELS WHICH DO NOT EXCEED THE OSHA PEL OR THE ACGIH TLV. IF SUCH EQUIPMENT IS NOT AVAILABLE, USE RESPIRATORS AS SPECIFIED ABOVE. PROTECTIVE GLOVES: PROTECTIVE GLOVES OR BARRIER CREAM ARE RECOMMENDED WHEN CONTACT WITH DUST OR MIST IS LIKELY. PRIOR TO APPLYING BARRIER CREAM, OR USE OF PROTECTIVE GLOVES, WAS THOROUGHLY. EYE PROTECTION: SAFETY GLASSES WITH SIDES SHIELDS OR GOGGLES ARE RECOMMENDED. OTHER PROTECTIVE EQUIPMENT: N/A
PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE: MAINTAIN GOOD HOUSEKEEPING PROCEDURES TO PREVENT DUST ACCUMULATION DURING GRINDING. AVOID DUST INHALATION AND DIRECT SKIN CONTACT WITH DUST. OTHER PRECAUTIONS: CLEAN UP USING METHODS WHICH AVOID DUST GENERATION SUCH AS VACUUM (WITH APPROPRIATE FILTER TO PREVENT AIRBORNE DUST LEVELS WHICH EXCEED THE OSHA PEL OR THE ACGIH TLV), WET DUST MOP OR WET CLEAN UP. IF AIRBORNE DUST IS GENERATED, USE AN APPROPRIATE NIOSH APPROVED RESPIRATOR. WASH HANDS THOROUGHLY AFTER HANDLING, BEFORE EATING OR SMOKING. WASH EXPOSED SKIN AT THE END OF WORK SHIFT. DO NOT SHAKE CLOTHING, RAGS OR OTHER ITEMS TO REMOVE DUST. DUST SHOULD BE REMOVED BY WASHING OR VACUUMING (WITH APPROPRIATE FILTERS) THE CLOTHING, RAGS OR OTHER ITEMS. PERIODIC EXAMINATIONS ARE RECOMMENDED FOR INDIVIDUALS REGULARLY EXPOSED TO DUST OR MIST. EMUGE CORP. 1800 CENTURY DRIVE WEST BOYLSTON, MA 01583-2121 (508) 595-3600 (800) 323-3013 FAX: (508) 595-3650 WWW.EMUGE.COM |