Product ID:ARCAIR AIR CARBON ARC ELECTRODES, 24 SERIES
MSDS Date:01/01/1996
FSC:3439
NIIN:00N080276
MSDS Number: CFQCF

TWECO PRODUCTS INC

4200 WEST HARRY STREET
WICHITA, KS 67277
US

Emergency Phone: 316-648-5129

Info Phone: 316-942-1421

Preparer: DENNIS WILSON

Cage: 89381

TWECO PRODUCTS, INC.

12250 WICHITA, KS 67277 US

Telephone: 316-946-8308;316-942-1421

Cage: 89381

CARBON

CAS: 7440-44-0

RTECS: FF5250100

Fraction By Weight: 20-90%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 2 MG/M3 TDUST

GRAPHITE

CAS: 7782-42-5

RTECS: MD9659600

Fraction By Weight: 20-90%

OSHA PEL 15 MPPCF

ACGIH TLV: 2 MG/M3 RDUST

COPPER (SARA 313) (CERCLA)

CAS: 7440-50-8

RTECS: GL5325000

Fraction By Weight: 10-30%

OSHA PEL 0.1MG/M3 FUME;1 DUST

ACGIH TLV: 0.2 MG/M3 FUME

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

CARBON BLACK; (% RANGE - FULLY BAKED OUT)

CAS: 1333-86-4

RTECS: FF5800000

OSHA PEL 3.5 MG/M3

ACGIH TLV: 3.5 MG/M3

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHALATION:BRONCHITIS, LUNG DEPOSITS
AND TISSUE DAMAGE WHICH MAY BE IRREVERSIBLE. EXPOSURE TO
ULTRA-VIOLET RAYS CAN RESULT IN KERATOCONJUNCTIVITIS, CAUSING
INFLAMMATION, BLURRED VISION, HEADACHE, "SUN BURN".
Explanation of Carcinogenicity:CARBON BLACK:IARC MONOGRAPHS, VOL 65, PG
24-27, 1995:GROUP 2B.
Effects of Overexposure:BREATHING DIFFICULTY, HEADACHE, NAUSEA, DRYNESS
OR IRRITATION OF NOSE, THROAT, EYES. BURNING SENSATION OF SKIN OR
EYES. UNCONSCIOUSNESS.
Medical Cond Aggravated by Exposure:RESPIRATORY PROBLEMS, EMPHYSEMA.

First Aid:INGEST:CALL MD IMMEDIATELY . EYES:IMMEDIATELY FLUSH W/POTABLE
WATER FOR A MINIMUM OF 15 MINUTES, SEEK ASSISTANCE FROM MD .
SKIN:FLUSH W/COPIOUS AMOUNTS OF WATER. CALL MD . TREAT ULTR AVIOLET
EXPOSURE SIMILAR TO SEVERE SUNBURN, SEEK MEDICAL ATTENTION!
INHAL:REMOVE TO FRESH AIR. IF BREATHING IMPAIRED, ASSISTED
RESPIRATION MAY BE REQUIRED.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE . NOT
FLAMMABLE.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:SWEEP OR PICK UP. BE ALERT TO "HOT ENDS".
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN DRY AREA. ELECTRODES EXPOSED
TO MOISTURE MAY EXPLODE VIOLENTLY IF USED. DRY MOIST RODS BY BAKING
AT 300F FOR TEN HOURS.
Other Precautions:READ & UNDERSTAND "ANSI Z49.A"; SUBPART Q OF OSHA 29
CFR 1910.52; "SAFETY IN WELDING & CUTTING" BY AWS. CAUT:USE IN
CONFINED AREAS CAN RSLT IN CARBON MONOXIDE POIS/DEATH. NIOSH APPRVD
AIR SUPPLIED RES P IS REC WHEN USED INDOORS. HLTH(SUPDAT)

Respiratory Protection:NIOSH APPROVED AIR SUPPLIED OR FUME RESPIRATOR
SHOULD BE USED IF VENTILATION IS INSUFFICIENT.
Ventilation:LOC EXHST/MECH:ALL AS REQD TO REDUCE FUMES GENERATED BY
EACH SPECIFIC APPLICATION BELOW ACGIH TLV. AIR SAMPLING (SUPDAT)
Protective Gloves:WELDER'S GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS &(SUPDAT)
Other Protective Equipment:ANSI APPROVED EYE WASH FOUNTAIN & DELUGE
SHOWER . FOOTWEAR:SUITABLE FOR METAL WORKING. CLOTHING:DARK, (SUPP
DATA)
Work Hygienic Practices:OPERATOR TRAINED TO AVOID ELECTRICAL SHOCK &
ULTRAVIOLET RAY EXPOSURE.
Supplemental Safety and Health
OTHER PREC:& PHYSICAL HAZS ASSOC W/AIR CARBON ARC ELECTRODES ARE
ATTRIBUTABLE TO FUMES GENERATED WHEN ELECTRODES ARE USED &
CONSUMED. VENT:TO DETERMINE CORRECTIVE MEASURE. EYE PROT:FULL LGTH
FSHLD (FP N) OR WELDER'S HELMET W/#12 OR DARKER LENS. OTHER PROT
EQUIP:SUBSTANTIAL-APRONS, ETC. OTHER - SEE Z49.

Solubility in Water:NOT SOLUBLE
Appearance and Odor:SOLID, COPPER COATED BLACK ROD; NO NOTABLE ODOR.

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Hazardous Decomposition Products:CARBON MONOXIDE, CARBON DIOXIDE,
TRACES OF COPPER FUME (OZONE, NITROGEN OXIDE FROM ELECTRIC ARC &
ULTRAVIOLET RAYS).

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
REGULATIONS . SOLID LANDFILL IF LOCAL REGULATIONS ALLOW.

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.