Product ID:MICROLITE VERMICULITE DISPERSIONS, 923
MSDS Date:06/11/1992
FSC:5640
NIIN:00N046755
MSDS Number: BTXYX

W R GRACE & CO

62 WHITTEMORE AVE
CAMBRIDGE, MA 02140
US

Emergency Phone: 617-876-1400;416-683-8561

Info Phone: 617-876-1400;416-683-8561

Cage: 1BX64

W R GRACE & CO

LEXINGTON, MA 02173 US

Telephone: 713-479-7348

Cage: 1BX64

WITH X-RAY DIFFRACTOMETRY HAS BEEN CONDUCTED ON

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RESPIRABLE QUARTZ IS NOT PRESENT ABOVE THE 0.1%

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IS BELOW THE LIMITS OF DETECTION FOR THE ANALYSIS.

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IN THE PROD BELOW 0.1% BY WEIGHT & IF EXPOSURES DO

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HAZARDS DO NOT APPLY. RESULTS OF MONITORING AND

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IN THE ORE BODY. EXCEPT FOR TRACE AMTS, THE

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THE VERMICULITE DURING PROCESSING. IN AN EFFORT TO

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& CO. HAS RETAINED THE SERVICES OF AN OUTSIDE

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STATE-OF-THE-ART ELECTRON MICROSCOPY AT 10,000X.

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PREVENTIVE & CONTROL MEASURES

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QUARTZ (CRYSTALLINE SILICA). QUARTZ IS A NATURALLY

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THAT ARE MINED FROM THE EARTH'S SURFACE SUCH AS

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COMBINED FRACTIONS OF NON-RESPIRABLE SIZED PARTICLES

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DIAMETER). RESP SIZED QUARTZ HAS BEEN TIED TO MORE

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NOT BEEN ABLE TO DETECT ANY RESP SIZED QUARTZ IN

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SAMPLING CONDUCTED DURING SPRAY OF MATL. DUE TO HIGH

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FOR EXPOSURE EXISTED DURING THIS PROCESS. IN ADDN,

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THE POTENTIAL FOR EXPOSURE TO ANY RESPIRABLE SIZED

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NON HAZARDOUS INGREDIENTS

OSHA PEL 5 MG/M3 (MFR)

ACGIH TLV: 15 MG/M3 (MFR)

USED IN THIS PROD IS A NATURALLY-OCCURRING

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LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL: NOT EXPECTED TO OCCUR. IF SPRAY
MISTS ARE GENERATED, INHAL MAY CAUSE SLIGHT IRRIT TO NOSE AND
RESPIRATORY PASSAGES. SKIN/EYE: MAY BE IRRITATING TO EYES UPON
CONTACT WITH LIQUID OR SPRAY. SHORT CONTACT PERIODS WITH SKIN DO
NOT USUALLY CAUSE SKIN IRRIT. REPEATED &/OR PROLONGED CONTACT CAN
RESULT (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: IN SKIN IRRIT. INGEST: NOT EXPECTED
TO BE HARMFUL IF SWALLOWED. HOWEVER, IRRITATION OR UPSET STOMACH
MAY RESULT DUE TO SLIGHT ALKALINE NATURE OF PRODUCT.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:SKIN:WASH W/PLENTY OF SOAP & WATER. IF IRRIT DEVELOPS, GET
MED ATTN. WASH CONTAM CLTHG BEFORE REUSE. EYE:IMMED FLUSH W/ PLENTY
OF WATER FOR @ LST 15 MIN. IF IRRIT DEVELOPS, HAVE EYES EXAMINED &
TREATE D BY MED PERSONNEL. INGEST: GIVE LRG QTYS OF WATER TO DRINK
FOR DILUTION EFT. IF GI SYMPS DEVELOP, CONSULT MED PERSONNEL. NEVER
GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON. INHAL: GET (SUPP
DATA)

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

Spill Release Procedures:OBSERVING THE PRECAUTIONS NOTED, COLLECT
LIQUID OR ABSORB LIQUID WITH AN INERT, NONCOMBUSTIBLE MATERIAL AND
REMOVE FOR DISPOSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:CAUTION! MAY CAUSE SLIGHT IRRIT. MAY
CAUSE IRRIT TO EYES UPON CONTACT. MAY CAUSE SKIN IRRIT UPON
PRLNG/RPTD CNTCT.
Other Precautions:MAY CAUSE SLIGHT IRRIT TO NOSE & RESP PASSAGES IF
MIST IS CREATED. AVOID CNTCT W/EYES, SKIN & CLTHG. AVOID BRTHG
MIST. FOR PROFESSIONAL USE ONLY. KEEP OUT OF CHILDREN'S REACH.

Respiratory Protection:NIOSH/MSHA APPTOVED TYPE TC-21C-XXX DUST RESP IS
RECOMMENDED IF SIGNIFICANT MIST OR DUST IS CREATED IN
HANDLING/PROCESSING AND SHOULD BE REQUIRED IF NECESSARY TO PREVENT
EXPOSURE ABOVE THE LIMITS SPEC IFIED IN INGRED SECTION.
Ventilation:LOC EXST/MECH: NOT GENERALLY REQUIRED, BUT SHOULD BE USED
WHERE AVAIL. SPECIAL: OVENS OR FURNACES USED TO DRY(SUPP DATA)
Protective Gloves:RUBBER OR SYNTHETIC GLOVES.
Eye Protection:ANSI APPRVD SAFETY GLASSES .
Other Protective Equipment:NOT GENERALLY REQUIRED.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
PH: 6.5-8.5. % VOLAT: 80-95 (AS H2O). FIRST AID PROC:FRESH AIR. IF RESP
IRRIT/DISCOMFORT DEVELOPS/PERSISTS, CONSULT MED PERSONNEL.
VENT:PROD SHOULD BE PROPERLY VENTED. OTHER:USE IN AREAS W/GEN VENT.
S UPPLEMENTAL INFO: VERMICULITE: PROD IS A CHEM DELAMINATED
VERMICULITE DISPERSED IN 80-95% WATER. THE VERMICULITE(ING 2)

HCC:N1
Boiling Pt:B.P. Text:212F,100C
Vapor Pres:20 @ 22C
Vapor Density:1.18 @ 22C
Spec Gravity:1.05 (H2O=1)
pH:SUPDAT
Solubility in Water:MISCIBLE W/WATER
Appearance and Odor:AQUEOUS DISPERSION, GREENISH BROWN, NO APPRECIABLE
ODOR.
Percent Volatiles by Volume:SUPDAT

Stability Indicator/Materials to Avoid:YES
NONE KNOWN.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:NOT EXPECTED TO OCCUR.

Waste Disposal Methods:ACCORDING TO THE US EPA (40 CFR 261.2) WASTE OF
THIS PRODUCT IS NOT DEFINED AS HAZARDOUS. DISPOSE OF WASTE IN
ACCORDANCE WITH ALL APPLICABLE LOCAL, STATE AND FEDERAL
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.