SDS Table of Contents Click the desired link below to jump directly to that section in the SDS. SUMITOMO ELECTRIC MATERIAL SAFETY DATA SHEET FORM: MSDS-04CBN SUMITOMO ELECTRIC CARBIDE, INC. 1001 BUSINESS CENTER DRIVE MT. PROSPECT, IL 60056-2181 P.O. BOX 545 MT. PROSPECT, IL 60056-0545 TEL: (847) 635-0044 FAX: (847) 635-7866 CHEMICAL NAME: SINTERED POLYCRYSTALLINE CUBIC BORON NITRIDE ON A CEMENTED TUNGSTEN CARBIDE SUBSTRATE WITH COBALT BINDER. TRADE NAME AND SYNONYMS: PCBN SUMI BORON(R*) CBN INSERTS, BN TOOL BLANKS
APPEARANCE AND ODOR: ODORLESS, COMPOSITE PARTICLES OF CUBIC BORON NITRIDE AND TUNGSTEN CARBIDE MELTING POINT: 5200 DEG. F (2870 DEG. C)* SPECIFIC GRAVITY: NOT AVAILABLE BOILING POINT: 10,800 DEG. F (6000 DEG. C)* VAPOR PRESSURE: 1 MMHg @ 1910** SOLUBILITY IN WATER: INSOLUBLE OTHER SOLVENTS: TUNGSTEN CARBIDE IS SOLUBLE IN STRONG ACIDS; INSOLUBLE IN ALCOHOL *BASED ON TUNGSTEN CARBIDE **BASED ON COBALT
MATERIAL PERCENT BY WEIGHT* OSHA PEL ACGIH TLV CUBIC BORON NITRIDE 1-10 % TUNGSTEN CARBIDE 75-90 % 5.0 MG/M3 TITANIUM NITRIDE 1-10 % NO STANDARDS AVAILABLE TITANIUM CARBIDE 1-10 % 15.0 MG/M3 10.0 MG/M3 COBALT 5-10 % 0.1 MG/M3 0.1 MG/M3 *DEPENDS ON GRADE SELECTION NOTE: COBALT IS A TOXIC CHEMICAL SUBJECT TO THE REPORTING REQUIREMENTS OF SECTION 313 OF TITLE III OF THE SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT (SARA) OF 1986 AND 40 CFR PART 372.
ROUTES OF EXPOSURE: GRINDING CEMENTED TUNGSTEN CARBIDE PRODUCT WITH COBALT BINDER MAY PRODUCE DUST OF POTENTIALLY HAZARDOUS INGREDIENTS WHICH CAN BE INHALED, SWALLOWED OR COME IN CONTACT WITH THE SKIN 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 IN COBALT HYPERSENSITIZED INDIVIDUALS. INGESTION: REPORTS OUTSIDE THE INDUSTRY SUGGEST THAT INGESTION OF SIGNIFICANT AMOUNTS OF COBALT HAS THE POTENTIAL FOR CAUSING BLOOD, HEART AND OTHER ORGAN PROBLEMS. CHRONIC EXPOSURE: PROLONGED, REPEATED INHALATION OF DUSTS MAY EXACERBATE PRE-EXISTING PULMONARY AND SKIN DISEASES OR IMPAIRED LIVER AND KIDNEY FUNCTIONS.
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 WASH AFFECTED AREA WITH SOAP AND WATER AND ISOLATE FROM EXPOSURE. IF IRRITATION PERSISTS, SEEK MEDICAL ATTENTION. EYE CONTACT: IF IRRITATION OCCURS, FLUSH WITH COPIOUS AMOUNTS OF WATER. IF IRRITATION PERSISTS, SEEK MEDICAL ATTENTION. INGESTION: IF SUBSTANTIAL QUANTITIES ARE SWALLOWED, DILUTE WITH LARGE AMOUNTS OF WATER. DO NOT INDUCE VOMITING AND SEEK MEDICAL ATTENTION. CARCINOGENIC ASSESSMENT (NTP ANNUAL REPORT, IARC MONOGRAPHS, OTHER): NONE OF THE COMPONENTS OF THIS MATERIAL HAVE BEEN IDENTIFIED AS KNOWN OR SUSPECTED CARCINOGENS BY NTP, IARC OR OSHA. NOTES TO PHYSICIAN: EMPLOYEES REGULARLY EXPOSED TO DUSTS SHOULD HAVE PERIODIC MEDICAL EXAMINATIONS WITH PULMONARY FUNCTION EMPHASIZED, AND THEY SHOULD BE CERTIFIED BY A PHYSICIAN AS TO THEIR FITNESS TO WEAR RESPIRATORS. PERSONS WITH PRE-EXISTING PULMONARY, SKIN, LIVER, KIDNEY CONDITIONS MAY BE AT INCREASED RISK FROM EXPOSURE TO DUSTS.
FIRE AND EXPLOSION HAZARD: NEGLIGIBLE FIRE HAZARD IN METALLIC FORM; HOWEVER, DUSTS GENERATED IN GRINDING OPERATIONS MAY IGNITE IF ALLOWED TO ACCUMULATE AND ARE SUBJECTED TO AN IGNITION SOURCE. EXTINGUISHING MEDIA: FOR POWDER FIRES, SMOTHER WITH DRY SAND, DRY DOLOMITE, SODIUM CHLORIDE OR ABC TYPE FIRE EXTINGUISHER. DO NOT USE WATER. AVOID BREATHING FUMES FROM BURNING MATERIAL. SPECIAL FIREFIGHTING PROCEDURES: FOR A 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 APPARATUS. UNUSUAL FIRE AND EXPLOSION HAZARDS: DUSTS MAY PRESENT A FIRE OR EXPLOSION HAZARD UNDER RARE FAVORING CONDITIONS OF PARTICLE SIZE, DISPERSION AND STRONG IGNITION SOURCE. HOWEVER, THIS IS NOT EXPECTED TO BE A PROBLEM UNDER NORMAL HANDLING CONDITIONS.
STABILITY: STABLE UNDER NORMAL TEMPERATURES AND PRESSURES. INCOMPATIBILITY: CONTACT OF DUST WITH STRONG OXIDIZERS MAY CAUSE FIRE OR EXPLOSION. MATERIALS TO AVOID: STRONG ACIDS HAZARDOUS DECOMPOSITION PRODUCTS: NONE HAZARDOUS POLYMERIZATION: WILL NOT OCCUR
STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: VENTILATE AREA OF SPILL. 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. WASTE DISPOSAL METHOD: DISPOSE OF IN ACCORDANCE WITH APPROPRIATE GOVERNMENT REGULATIONS. MAY BE SOLD AS SCRAP FOR RECLAIM. REPORTABLE QUANTITY (RQ): THE SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT (SARA) SECTION 304 REQUIRES THAT A RELEASE EQUAL TO OR GREATER THAN THE REPORTABLE QUANTITY ESTABLISHED FOR THAT SUBSTANCE BE IMMEDIATELY REPORTED TO THE LOCAL EMERGENCY PLANNING COMMITTEE AND THE STATE EMERGENCY RESPONSE COMMISSION (40 CFR 355.40). IF THE RELEASE OF THIS SUBSTANCE IS REPORTABLE UNDER CERCLA SECTION 103, THE NATIONAL RESPONSE CENTER MUST BE NOTIFIED IMMEDIATELY (40 CFR 302.6).
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 CFR 1910.134 SHOULD BE MET. VENTILATION: USE LOCAL EXHAUST VENTILATION WHICH IS ADEQUATE TO LIMIT PERSONAL EXPOSURE TO AIRBORNE DUST LEVELS WHICH DO NOT EXCEED THE OSHA PEL OR THE ACGIH TLV. IF SUCH EQUIPMENT IS NOT AVAILABLE, USE RESPIRATORS AS SPECIFIED ABOVE. PROTECTIVE CLOTHING: IMPERVIOUS CLOTHING AND EQUIPMENT RECOMMENDED TO PREVENT REPEATED OR PROLONGED SKIN CONTACT. PROTECTIVE GLOVES: PROTECTIVE GLOVES OR BARRIER CREAM ARE RECOMMENDED WHEN CONTACT WITH DUST OR MIST IS LIKELY. PRIOR TO APPLYING THE BARRIER CREAM OR USE OF PROTECTIVE GLOVES, WASH THOROUGHLY. EYE PROTECTION: SAFETY GLASSES WITH SIDE SHIELDS OR GOGGLES ARE RECOMMENDED.
PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE: MAINTAIN GOOD HOUSEKEEPING PROCEDURES TO PREVENT DUST ACCUMULATION DURING GRINDING. DUST CAN BE REDUCED WITH WATER FLUSH DURING CUTTING/DICING OPERATION. AVOID DUST INHALATION AND DIRECT SKIN CONTACT WITH DUST. THRESHOLD PLANNING QUANTITY (TPQ): THE SUPERFUND AMENDMENTS AND REAUTHORIZATION ACT (SARA) SECTION 302 REQUIRES THAT EACH FACILITY WHERE ANY EXTREMELY HAZARDOUS SUBSTANCE IS PRESENT IN A QUANTITY EQUAL TO OR GREATER THAN THE TPQ ESTABLISHED FOR THAT SUBSTANCE NOTIFY THE STATE EMERGENCY RESPONSE COMMISSION FOR THE STATE IN WHICH IT IS LOCATED. SECTION 303 OF SARA REQUIRES THESE FACILITIES TO PARTICIPATE IN LOCAL EMERGENCY RESPONSE PLANNING (40 CFR 355.30). 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 MEDICAL EXAMINATIONS ARE RECOMMENDED FOR INDIVIDUALS REGULARLY EXPOSED TO DUST OR MIST. ALTHOUGH SUMITOMO ELECTRIC CARBIDE, INC. HAS ATTEMPTED TO PROVIDE CURRENT AND ACCURATE INFORMATION HEREIN, IT MAKES NO REPRESENTATIONS REGARDING THE ACCURACY OR COMPLETENESS OF THE INFORMATION AND ASSUMES NO LIABILITY FOR ANY LOSS, DAMAGE OR INJURY OF ANY KIND WHICH MAY RESULT FROM OR ARISE OUT OF THE USE OF OR RELIANCE ON THE INFORMATION BY ANY PERSON. 8/90 |