Product ID:U-24 POWDER
MSDS Date:02/10/1987
FSC:6850
NIIN:00N040840
MSDS Number: BSBSS

WESTPAC PRODUCTS CO INC

106 HEGENBERGER LOOP
OAKLAND, CA 94621
US

Emergency Phone: 415-632-3778

Info Phone: 415-632-3778

Cage: 4Z694

WESTPAC PRODUCTS CO INC

OAKLAND, CA 94621-1326 US

Cage: 4Z694

SILICON DIOXIDE; (SILCONE DIOXIDE)

CAS: 60676-86-0

RTECS: VV7328000

Fraction By Weight: 67.4%

HEXAVALENT CHROMIUM

Fraction By Weight: TRACE

OSHA PEL 0.5 MG/M3 (CR)

ACGIH TLV: 0.5 MG/M3 (CR)

3.15

CAS: 65997-15-1

RTECS: VV8770000

Fraction By Weight: 32.6%

OSHA PEL 10 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST

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:PRLNG CONT CAN CAUSE IRRIT TO EYES,
SKIN & RESP SYS. WET CEMENT CAUSES BURNS. MAY PRDCE ALLERGIC RXN.
INHAL:MAY IRRIT INTERNAL TISS IF INHALED. SKIN:CAUSES IRRIT - AVOID
DIRECT CONTACT TO EXPOSED AREA S. EYE:INJURIOUS. INGEST:MAY IRRIT
INTERNAL TISSUES. ACUTE:MOD IRRITANT, SLIGHT ALLERGEN. WET CEMENT
AS(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOTE: HEXAVALENT CHROMIUM IS LISTED BY
IARC AND NTP AS A CARCINOGEN .
Effects of Overexposure:HLTH HAZ:ING IN PLASTIC CONCRETE CAN DRY SKIN &
CAUSE ALKALI BURNS. DRY CEMENT CAN IRRITATE EYES & UPPER RESP
SYSTEM. CHRONIC:MOD IRRITANT, SLIGHT ALLERGEN. CEMENT DUST CAN
CAUSE INFLAMM OF TISSUE LIN ING INTERIOR OF NOSE & INFLAMM OF
CORNEA. SOME INDIVIDUALS MAY DEVELOP ALLERGENIC DERMATITIS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYE:RINSE IMMEDIATELY & REPEATEDLY W/WATER FOR AT LEAST 15
MINUTES & GET PROMPT MEDICAL ATTENTION. SKIN:WASH EXPOSED AREAS
PROMPTLY W/SOAP & WATER. INHAL/INGEST:GET PROMPT MEDICAL ATTENTION
WHERE OVER DOSE IS SUSPECT. NOTE TO MD:DRY CEMENT DUST IS ALKALINE
& IS IRRITATING TO TISSUE. WET CEMENT CAUSES CAUSTIC BURNS.

Extinguishing Media:MEDIA SUITABLE FOR SURROUNDING FIRE .
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:USE DRY CLEAN-UP METHOD SUCH AS VACUUM OR
SHOVEL & BROOM W/OUT DISBURSING DUST INTO AIR. AVOID BREATHING
DUST. AVOID CONTACT W/WATER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:PREVENT CONTACT W/EYES & SKIN. AVOID
BREATHING DUST. WEAR COVERING OVER SKIN AREAS. SEE HEATH HAZARD
INFORMATION.
Other Precautions:IT IS ADVISABLE TO WEAR NIOSH/MSHA APPROVED
RESPIRATORY PROTECTION WHEN EXPOSED TO DRY CEMENT DUST.

Respiratory Protection:WHENEVER SANDBLASTING OR CHIPPING & REMOVAL OF
PRODUCT OCCURS, NIOSH/MSHA APPROVED PARTICULATE FILTER RESPIRATORS
SHOULD BE USED IF AIRBORNE DUST CONCENTRATIONS EXCEED TLV FOR
RESPIRABLE SILICA.
Ventilation:LOCAL EXHAUST IF NEEDED TO REDUCE DUST LEVELS.
Protective Gloves:WATERPROOF GLOVES.
Eye Protection:GLASSES WITH SIDESHIELDS .
Other Protective Equipment:EMERGENCY EYE WASH & DELUGE SHOWER . BARRIER
CREAMS, BOOTS, CLOTHING TO PREVENT CONTACT W/WET U-24.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

Spec Gravity:SEE ING 1
Solubility in Water:SLIGHT
Appearance and Odor:ODORLESS GREY POWDER.

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:NONE SPECIFIED BY MANUFACTURER.

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
REGULATIONS . RETURN TO ORIGINAL CONTAINER FOR USE OR DISPOSE AS
COMMON WASTE.

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.