ASHINE INDUSTRIES INC.

19 PONDSVIEW DRIVE, SUITE 105, NORTH YORK, M2J 4B3, CANADA

TEL: 416 493 5187 FAX: 416 493 4657 EMAIL: ashine@ashine.com

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MATERIAL SAFETY DATA SHEET

ZIRCONIA, ZIRCONIA WITH YTTRIA

ZIRCONIA WITH YTTRIA AND ALUMINA

DATE: Dec 29, 1998

EMERGENCY TELEPHONE NO.:

CHEMTREC: 1-800-424-9300

I PRODUCT NAME

ZIRCONIUM OXIDE, YTTRIUM OXIDE STABILIZED ZIRCONIUM OXIDE, YTTRIUM OXIDE STABILIZED ZIRCONIUM OXIDE WITH ALUMINUM OXIDE

COMPOSITION

CHEMICAL NAME	ZrO2, Y2O3-ZrO2, Y2O3-ZrO2-Al2O3
APPROXIMATE ZrO2%	80 – 100
APPROXIMATE HfO2%	1 – 2
APPROXIMATE Y2O3%	0 – 15
COMMON NAME	ZIRCONIA, YTTRIA STABILIZED ZIRCONIA
REGULATION (Y/N)	Yes, Materials are regulated by OSHA
CAS#	1314-23-4
P.E.L.(mg/m3)	10
TLV(mg/m3)	10
CARCIN(Y/N)	No
All ingredients are listed under TSCA

II PHYSICAL AND CHEMICAL DATA

BOILING POINT	N/A
MELTING POINT	2,700°C
SPECIFIC GRAVITY	5.6
VAPOR PRESSURE	N/A
% VOLATILE BY VOLUE	N/A
VAPOR DENSITY	N/A
EVAPORATION RATE	N/A
SOLUBILITY IN WATER	<1
ALCOHOL SOL	N/A
SOLUBILITY IN OTHER SOLVENT	N/A
APPEARANCE AND ODOR	White powder, no odor

III FIRE AND EXPLOSION HAZARD DATA

FLASH POINT	N/A
FLAMMABLE LIMITS	LEL N/A, UEL N/A
EXTINGUISHING MEDIA	N/A
SPECIAL FIRE FIGHTING PROCEDURES	NONE
EXPLOSION POTENTIAL	NONE

IV CORROSIVITY AND REACTIVITY DATA

STABILITY	Stable
POLYMERIZATION	Will not occur
INCOMPATIBILITY(MATERIALS TO AVOID)	Inert
DECOMPOSITION PRODUCTS	Inert
CONDITIONS TO BE AVOIDED	Inert

V HEALTH, FIRST AID AND MEDICL DATA

PRIMARY RUOTES OF ENTRY	ACUTE AND CHRONIC HEALTH EFFECTS OF OVEREXPOSURE	FIRST AID AND MEDICAL INFORMATION
Inhalation	Acute: may cause coughing, shortness of breath	Remove to fresh air, apply artificial respiration as needed, Obtain first aid or medical assistance
Ingestion	No known adverse effects, but ingestion not recommended	Obtain first aid or medical assistance if needed
Skin contact & absorption	May cause irritation of skin	Obtain first aid or medical assistance if needed
Eye	May irritate eyes	Wash with large amounts of water; obtain medical assistance if needed
Other potential health risks	Exposures to high concentrations of Hafnium and Yttrium oxide over prolonged periods of time may cause liver and lung damage.	N/A

VI STORAGE, HANDLING AND USE PROCEDURES

NORMAL STORAGE AND HANDLING: Handle with adequate ventilation for nuisance dust, see OSHA 19CFR1910.94(Ventilation) and 29CFR1910.1000(Air contaminants). Wash hands and face thoroughly before eating, drinking or smoking.

NORMAL USE: same as above

STEPS TO BE TAKEN IN CASE OF LEAKS OR SPILLS: Normal cleanup procedures, Respirators may be required

WASTE DISPOSAL METHOD: Standard landfill methods consistent with applicable law

VII TRANSPORTATION INFORMATION

Not currently regulated under Department of Transportation regulations

VIII PERSONAL PROTECTION INFORMATION

RESPIRATORY PROTECTION(SPECIFY TYPE):	As needed, approved dust respirator, See OSHA 29CFR1910.34
VENTILATION	Local: Recommended
	Mechanical(General): Recommended
	Other: No applicable information found
PROTECTIVE GLOVES	As desired by user
EYE PROTECTION	Chemical protective goggles are recommended. See OSHA 29CFR1910.133
OTHER EQUIPMENT	No applicable information found
MEASURES TO BE TAKEN DURING REPAIR AND MAINTENANCE OF CONTAMINATEED EQUIPMENT	Same as operational

IX SPECIAL PRECAUTIOS

PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE: Use protective eye goggles, wear protective cloth, foot wear and apron.

OTHER PRECAUTIONS: No applicable information found

THE INFORMATION AND RECOMMENDATIONS SET FORTH ARE TAKEN FROM SOURCES BELIEVED TO BE ACCURATE. HOWEVER ASHINE INDUSTRIES MAKES NO WARRANTY WITH RESPECT TO THE ACCURACY OF THE INFORMATION OR THE SUITABILITY OF THE RECOMMENATIONS AND ASSUME NO LIABILITY TO ANY USER THEREOF.