Product ID:CERAMIC, KY3500
MSDS Date:04/01/1996
FSC:3455
NIIN:00N084217
MSDS Number: CGSLZ

KENNAMETAL INC

LATROBE, PA 15650
US

Emergency Phone: 800-255-3924

Info Phone: 412-539-5000

Cage: EO189

KENNAMETAL, INC.

231 LATROBE, PA 15650-0231 US

Telephone: 412-539-5000

Cage: 85597

95.5-99.7.

CAS: 12033-89-5

Fraction By Weight: <99.7%

OSHA PEL 5 MG/M3 (MFR)

ACGIH TLV: 5 MG/M3 (MFR)

MAGNESIUM OXIDE

CAS: 1309-48-4

RTECS: OM3850000

Fraction By Weight: 0.1-1.5%

OSHA PEL 15 MG/M3 PARTICULATE

ACGIH TLV: 10 MG/M3 FUME

YTTRIUM OXIDE

CAS: 1314-36-9

RTECS: ZG3850000

Fraction By Weight: 0.1-1.5%

OSHA PEL 1 MG/M3 (MFR)

ACGIH TLV: 1 MG/M3 (MFR)

SILICA, AMORPHOUS FUMED; (SILICON DIOXIDE (AMORPHOUS))

CAS: 112945-52-5

RTECS: VV7310000

Fraction By Weight: 0.1-1.5%

OSHA PEL 6 MG/M3

ACGIH TLV: 10 MG/M3

DISABILITY/DEATH. CERTAIN PULMONARY AND

RTECS: 9999999ZZ

FACEPIECE. SUPPLIED-AIR RESP W/FULL FACEPIECE,

RTECS: 9999999ZZ

"C" SUPPLIED-AIR RESP OPERATED IN PRESS DEMAND/OTHER

RTECS: 9999999ZZ

SCBA W/FULL

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION: MAY CAUSE
RESPIRATORY IRRITATION AND DRYNESS OF THE NOSE. SKIN CONT: MAY
CAUSE IRRITATION. EYE CONT: MAY CAUSE IRRITATION. INGESTION: NO
INFO AVAILABLE. CHRONIC: INHALATION: IF CRYS TALLINE SILICA IS
PRESENT, REPEATED EXPOSURE MAY CAUSE SILICOSIS, A FORM OF PULMONARY
FIBROSIS WITH (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZS: COUGH, DYSPNEA & MUC MEMB IRRIT. MAY
ALSO ENHANCE SUSCEPTIBILITY TO TUBERCULOSIS & RESP INFECTIONS. TOX
WARNING: OVEREXP TO ANY POWDER, DUST/MIST FROM GRINDING & SWEEPING
MAY BE HAZ TO HLTH . MAY CAUSE EYE, SKIN, MUC MEMB IRRIT. MAY CAUSE
TEMPORARY/PERM RESP DISEASE. PERM RESP DISEASE CAN LEAD TO (ING 5)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL: REMOVE EXPOSED PERS TO FRESH AIR & SUPPORT BRTHG AS
NEEDED. GET MED ATTN. SKIN: IF RASH DEVELOPS, IMMED REMOVE CONTAM
CLTHG. RINSE AFFECTED AREA W/FLOODING WATER & WASH W/MILD SOAP. GET
MED ATT N. EYES: FLUSH IMMED, INCLG UNDER EYELIDS, W/FLOODING AMTS
OF RUNNING WATER FOR @ LST 15 MINS. GET MED ATTN. INGEST: NEVER
GIVE ANYTHING BY MOUTH TO UNCON PERS. GIVE CONSCIOUS PERS 1-2
GLASSES(SUPDAT)

Flash Point:NONE REPORTED
Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE OR EXPLOSION HAZARD WHEN
EXPOSED TO FIRE OR HEAT.

Spill Release Procedures:SWEEP UP W/MINIMUM OF DUST GENERATION & PLACE
INTO SUITABLE CLEAN, DRY CONTAINERS FOR RECLAMATION/LATER DISPOSAL.
RESIDUE SHOULD BE CLEANED UP USING A HIGH-EFFICIENCY PARTICULATE
FILTER VACUUM OR WET CLEAN UP. USE APPROPRIATE RESPIRATORY
PROTECTION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID DISPERSION OF DUST INTO AIR.
FINELY DIVIDED PARTICLES, DUST/FUMES MAY BE FLAMM/EXPLO. KEEP AWAY
FROM SPKS/IGNIT SOURCES.
Other Precautions:CONTENTS SHOULD BE STORED IN COOL AREA AWAY FROM
ACIDS & OTHER INCOMPATIBLE CHEMS. DO NOT SHAKE CLTHG, RAGS/OTHER
ITEMS TO REMOVE DUST. DUST SHOULD BE REMOVED BY WASHING/VACUUMING.
PERIODIC EXAMS ARE RECOM FOR INDIVIDUALS REGULARLY (SUPDAT)

Respiratory Protection:NIOSH APPRVD RESPS: 5 MG(Y)/M3-DUST MASK, EXCEPT
SINGLE USE RESP. 10 MG(Y)/M3-DUST MASK, EXCEPT SINGLE-USE &
QUARTER-MASK RESP. HIGH-EFFICIENCY PARTICULATE RESP. SUPPLIED-AIR
RESP. SCBA. 50 MG(Y)M3: H IGH-EFFICIENCY RESP W/FULL (ING 6)
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION/GENERAL DILUTION
VENTILATION TO MAINTAIN EXPOSURE LEVELS BELOW TLV-TWA.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER . PROT
CLTHG NOT REQ UNDER NORM USE; HOWEVER, AVOID PRLNGD/RPTD EXPOSURE.
Work Hygienic Practices:WASH HANDS THOROUGHLY AFTER HANDLING, BEFORE
EATING OR SMOKING.
Supplemental Safety and Health
MATLS TO AVOID(STAB): INCANDESCENTLY W/PHOSPHORUS PENTACHLORIDE. HAZ
DECOMP: CRYSTAL STRUCTURE TO FORM TRIDYMITE
(>1580F/870C)/CRISTOBALITE(2678F/1470C) WHICH HAVE GREATER HLTH
HAZS THAN AMORPHOUS SIL ICON DIOXIDE. FIRST AID: OF WATER AND
INDUCE VOMITING. GET MED ATTN. OTHER PRECS: EXPOSED TO DUST/MIST.

Spec Gravity:3-5 (H*2O=1)
Evaporation Rate & Reference:NOT MEASURABLE
Solubility in Water:PRACTICALLY SOLUBLE
Appearance and Odor:GRAY POWDER.
Percent Volatiles by Volume:NEGLIG

Stability Indicator/Materials to Avoid:YES
ING 1 & 2: NONE KNOWN. ING 3: MATL REACTS VIOLENTLY/IGNITES
W/INTERHALOGENS SUCH AS CHLORINE TRIFLUORIDE & (SUPDAT)
Stability Condition to Avoid:STABLE UNDER NORMAL TEMPERATURES AND
PRESSURES.
Hazardous Decomposition Products:SILICON NITRIDE MAY RELS TOX OXIDES OF
NITROGEN DURING THERM DECOMP. SILICON DIOXIDE @ HIGH TEMPS CAN CHG
(SUPDAT)

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN COMPLIANCE WITH
FEDERAL, STATE AND LOCAL ENVIRONMENTAL REGULATIONS.

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.