Product ID:REFRACTORY MOLDABLE
MSDS Date:02/22/1990
FSC:9350
NIIN:00-789-1749
MSDS Number: BKBXW

MID-MOUNTAIN MATERIALS INC

15020 NE 95TH STREET
REDMOND, WA 98052-2507
US

Emergency Phone: 206-882-2442

Info Phone: 206-882-2442

Cage: 64321

MID-MOUNTAIN MATERIALS INC

REDMOND, WA 98052-2507 US

Telephone: 206-882-2442

Cage: 64321

FIBROUS GLASS

CAS: 65997-17-3

OSHA PEL 5 MG/M3 RDUST Z-3

ACGIH TLV: 10 MG/M3(<7 MICRONS)

SILICA, CRYSTALLINE - CRISTOBALITE

CAS: 14464-46-1

RTECS: VV7325000

OSHA PEL SEE TABLE Z3

ACGIH TLV: 0.05 MG/M3 RDUST9293

Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE:DUST MAY CAUSE SKIN/EYE
IRRITATION. CHRONIC:OVEREXPOSURE TO THIS MATERIAL MAY LEAD TO
NUMEROUS RESPIRATORY PROBLEMS ASSOCIATED WITH SILICOSIS. INGESTION
MAY CAUSE GASTROINTESTINAL IRRITATION.
Explanation of Carcinogenicity:THIS MATERIAL MAY BE A POTENTIAL
CARCINOGEN ACCORDING TO IARC STUDIES.
Effects of Overexposure:SILICOSIS IS ASSOCIATED WITH SYMPTOMS OF
LABORED BREATHING, CHEST PAIN AND CHEST TIGHTNESS. SYMPTOMS ARE
NOT USUALLY MANIFEST UNTIL 15-20 YEARS AFTER EXPOSURE.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF
RESPIRATORY DISORDERS SUCH AS BRONCHIAL HYPER-REACTIVITY AND
CHRONIC BRONCHIAL OR LUNG DISEASE MAY BE AT INCREASED RISK FROM
EXPOSURE.

First Aid:EYE: IMMEDIATELY FLUSH WITH PLENTY OF WATER FOR 15 MINUTES.
GET MEDICAL ATTENTION. SKIN: WASH WITH SOAP AND WATER. INHALATION:
REMOVE TO FRESH AIR. INGESTION:DO NOT INDUCE VOMITING. CALL
PHYSICIAN IM MEDIATELY.

Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
CHEMICAL AS APPROPRIATE FOR SURROUNDINGS.
Fire Fighting Procedures:WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A
FULL FACED SELF CONTAINED BREATHING APPARATUS. EVACUATE AREA. COOL
FIRE EXPOSED CONTAINERS WITH WATER SPRAY.
Unusual Fire/Explosion Hazard:COMBUSTION OR HEAT OF FIRE MAY PRODUCE
HAZARDOUS DECOMPOSITION PRODUCTS AND VAPORS.

Spill Release Procedures:WEAR PROTECTIVE EQUIPMENT, ELIMINATE SOURCES
OF IGNITION, AND VENTILATE AREA AS REQUIRED. ABSORB SMALL SPILL
WITH INERT MATERIAL OR DIKE TO RETAIN LARGE SPILL. PLACE WASTE IN
DOT APPROVED CONTAINER FO R DISPOSAL. USE VACUUM SUCTION IF
POSSIBLE.
Neutralizing Agent:NONE

Handling and Storage Precautions:AVOID CREATING AIRBORNE DUST. WET
SURFACES/FLOORS BEFORE SWEEPING AND USE APPROPRIATE DUST MASK.
Other Precautions:AVOID CREATION OF PARTICULATE DUST OF SILICA

Respiratory Protection:IF VENTILATION DOES NOT MAINTAIN INHALATION
EXPOSURES BELOW PEL (TLV), USE NIOSH/MSHA APPROVED RESPIRATOR AS
PER CURRENT 29 CFR 1910.134, INSTRUCTIONS/WARNINGS AND
NIOSH-RESPIRATOR SELECTION. USE MESA /OSHA RESPIRATOR WHEN CUTTING
& GRINDING
Ventilation:CHECK GOVERNMENT STANDARDS OF EMISSION CONTROL.
Protective Gloves:INDIVIDUAL NEED
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:SAFETY SHOWER AND EYE BATH. INDUSTRIAL TYPE
WORK CLOTHING AND APRON AS REQUIRED TO AVOID PROLONGED OR REPEATED
CONTACT.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING AND BEFORE
EATING OR DRINKING. LAUNDER CONTAMINATED CLOTHING BEFORE REUSE. DO
NOT SMOKE.
Supplemental Safety and Health
DO NOT TAKE PROTECTIVE GEAR OR CLOTHING HOME IS EXPOSED TO DUST. USE OF
BARRIER CREAMS AND LONG-SLEEVES MAY HELP PREVENT SKIN CONTACT.

HCC:T6
Spec Gravity:20-25LBS/CU FT
Solubility in Water:INSOLUBLE AFTER DRY
Appearance and Odor:MOLDABLE, GRAYISH-WHITE, WET FIBROUS SOLUTION; NO
ODOR

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:WILL NOT DECOMPOSE

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH ALL APPLICABLE
FEDERAL, STATE AND LOCAL REGULATIONS FOR PROPER DISPOSAL. ALL WASTE
MATERIALS MUST BE SEALED AND BAGGED.

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.