Product ID:PURE TUNGSTEN(WOLFRAM)WELDING ELECTRODES,TUNGESTEN WELD ELEC
MSDS Date:03/01/1992
FSC:3439
NIIN:01-032-5978
MSDS Number: BKBMD

Emergency Phone: 205-837-0285

Info Phone: 205-837-1311/FAX 205-722-2279

Cage: 3G120

Telephone: 205-837-0285

Cage: 3G120

PURE TUNGSTEN WELDING ELECTRODE

CAS: 7440-33-7

RTECS: YO7175000

Fraction By Weight: >99.9%

OSHA PEL NOE ESTABLISHED

ACGIH TLV: 1 MG/M3/3 STEL; 9596

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:NONE SPECIFIED BY MANUFACTURER.
Explanation of Carcinogenicity:PER MSDS:TUNGSTEN NOT LISTED AS EITHER
KNOWN OR SUSPECT CARCINOGEN BY NTP/IARC/OSHA.
Effects of Overexposure:NONE SPECIFIED BY MANUFACTURER.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:SKIN:WASH AREA W/SOAP/WATER.IRRIT/RASH OCCURS SEEK MED
ATTN.EYE:WASH W/LG AMT OF WATER FOR @LEAST 15MINS.IRRIT OCCURS SEEK
MED ATTN.INHAL:REMOVE FROM EXPO.SEEK MED ATTN.IF NECESSARY AID
BREATHING.INGE ST:SEEK MED ATTN.OTHER:WOUNDS CONTAMINATED
W/DUST/FUME/MIST SHOULD BE IMMED & THOROUGHLY CLEANED.

Flash Point:NA
Autoignition Temp:Autoignition Temp Text:NP
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:FOR SURROUNGIND DIR.FOR TUNGSTEN DUST FIRES USE
CLASS D EXTINGUISHING MEDIA, DRY POWDERS.
Fire Fighting Procedures:FOR TUNGSTEN DUST FIRE CONFINED TO SMALL AREA
USE RESP APPROV FOR TOXIC DUST/FUMES.FOR LG FIRE FIREFIGHTERS
SHOULD USE SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:WHEN TUNGSTEN HEATED IN AIR TUNGSTEN
TRIOXIDE BEGIN TO SUBLIME >750C.WELDING ELECTRODES DONT READILY
BURN.ORDINARY CONDITIONS CAN BE CONSIDERED NON-FLAMM(SUPPL)

Spill Release Procedures:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:NONE SPECIFIED BY MANUFACTURER.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:NONE NEEDED FOR ELECTRODES AS RECEIV.REQUIRE
DURING GRINDING(DRESSING ELECTRODE)/WELDING IF LIMITS EXCEEDED.FOR
TUNGSTEN ELECTRODES USE DUST RESPIRATOR.RESPIRATOR SELECTED WILL
DEPEND UPON CONC.USE ON LY NIOSH APPROV RES IAW 29CFR1910.134.
Ventilation:NONE SPECIFIED BY MANUFACTURER.
Protective Gloves:NONE SPECIFIED BY MANUFACTURER.
Eye Protection:NONE SPECIFIED BY MANUFACTURER.
Other Protective Equipment:NONE SPECIFIED BY MANUFACTURER.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRE/EXPLO.HOWEVER WELD ARCS/SPARKS CAN IGN FLAMM LIQ/VAP/COMBUST
SOLIDS.TUNGSTEN DUST(FRM GRINDING)MAY PRESENT MODERATE FIRE HAZ IF
ALLOWED TO ACCUMULATE.

HCC:N1
Boiling Pt:B.P. Text:5900F,3260C
Melt/Freeze Pt:M.P/F.P Text:3400F,1871C
Decomp Temp:Decomp Text:NP
Vapor Pres:NA
Vapor Density:NA
Spec Gravity:19
pH:NP
Viscosity:NP
Evaporation Rate & Reference:NP
Solubility in Water:INSOLBULE
Appearance and Odor:TIN-WHITE METAL, NO ODOR
Percent Volatiles by Volume:NA
Corrosion Rate:NP

Stability Indicator/Materials to Avoid:YES
OXIDIZERS ESPECIALLY @ELEVA TEMPS;STRONG ACIDS,BROMINE
TRIFLUORIDE,FLUORINE,IODINE PENTAFLUORIDE,MIX LEAD OXIDE W/W DUST
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:DISPOSE OF MATERIAL FOLLOWING ALL APPLICABLE
REGULATIONS.TUNGSTEN SCRAP & DUST HAVE VALUE & CAN BE RECLAIMED.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.