MERLEX STUCCO, INC.
2911 ORANGE-OLIVE RD.
ORANGE, CA. 92665
714-637-1700
714-637-4865 FAX
MATERIAL SAFETY DATA SHEET
This Material Safety Data Sheet (MSDS) meet the requirements of the Federal
OSHA Hazard Communications Standard (29 CFR 1910.1200).
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SECTION 1. PRODUCT IDENTIFICATION
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MATERIAL NAME: WATER BLOCK HANDY-PAKS
CHEMICAL FAMILY: Silane
FORMULA: Proprietary
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SECTION: COMPOSITION/INFORMATION ON INGREDIENTS
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COMPONENT CAS NUMBER PERCENT EXPOSURE LIMITS
Dust 10 mg/m3 (total inhalable)
Silane 10-20%
4 mg/m3 (respirable)
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SECTION 3. PHYSICAL DATA
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PURE MATERIAL OR MIXTURE: Mixture
PHYSICAL FORM: Solid powder
APPEARANCE/PHYSICAL DESCRIPTION: Dry fine white powder
pH AS IS: N/A
pH in 10% dispersion 7-8.5
BOILING POINT: N/A
MELTING/FREEZING POINT: N/A
SOLUBILITY IN WATER: Soluble
SPECIFIC GRAVITY (WATER = 1): N/A
BULK DENSITY: 200-400 kg/m3
VOLATILES: <2%
EVAPORATION RATE: N/A
VAPOR PRESSURE (mmHg): N/A
VAPOR DENSITY (AIR = 1): N/A
VISCOSITY: N/A
VOLATILE ORGANIC COMPOUNDS: N/A
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SECTION 4. FIRE AND EXPLOSION DATA
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AUTOIGNITION: Grewer Test ? 200 Celsius
FLASH POINT: N/A
UPPER EXPLOSIVE LIMIT (%): Not applicable
LOWER EXPLOSIVE LIMIT (%): 15 g/m3
DUST EXPLOSION CLASS ST 1
EXTINGUISHING MEDIA: Water fog; Foam
SPECIAL FIREFIGHTING PROCEDURES: Fire fighters should be equipped with self-
contained breathing apparatus to protect against
potentially toxic and irritating fumes.
FIRE & EXPLOSION HAZARDS: Product is a finely divided combustible powder and
constitutes a potential fire hazard.Keep workplace
dust levels below the stipulated levels. Prohibit
smoking and open flames. AVoide sparks or other
sources of static electricity. Product contains low
level of organic volatiles which may be emitted at
elevated temperatures
NFPA FLAMMABILITY HAZARD CLASS: 0 = Insignificant
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SECTION 5. HEALTH EFFECTS DATA
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SHORT TERM EFFECTS OF EXPOSURE
ROUTE OF ENTRY: Inhalation; Skin contact; Eye contact
ACUTE EFFECTS - EYE: Particulates may scratch eye surfaces and cause
irritation
ACUTE EFFECTS - SKIN CONTACT: Frequent or prolonged contact may irritate the skin.
ACUTE EFFECTS - INHALATION: Dust is irritating to respiratory system and nasal
assages.
ACUTE EFFECTS - INGESTION: rritant to gastrointestinal tract. Low oral toxicity.
FIRST AID PROCEDURES
EYE: Flush eyes with large amounts of water until irritation subsides. If irritation
persists, get medical attention.
SKIN CONTACT: Wash with soap and water.
INHALATION: Remove to fresh air. Get medical attention if irritation persists.
INGESTION: Treat symptomatically and supportively. Get medical attention.
LONG TERM EFFECTS OF EXPOSURE
EFFECTS OF CHRONIC EXPOSURE: Prolonged or frequent breathing of excess dust may cause
an adverse respiratory effect.
TARGET ORGANS: Not applicable.
SPECIAL HEALTH EFFECTS
CARCINOGEN (OSHA Guidelines): No
PRODUCT TOXICOLOGY
PRODUCT INFORMATION: Unlikely to cause harmful effects under recommended
conditions of handling and use.
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SECTION 6. ECOLOGICAL INFORMATION
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Contributes to effluent BOD. Low toxicity to aquatic organisms. Miscible in water and likely to be
transported considerable distances if allowed ingress to water. Partially biodegradable. Low potential
for bioaccumulation.
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SECTION 7. RECOMMENDATIONS FOR PERSONAL PROTECTIVE EQUIPMENT
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CONDITIONS UNDER WHICH PPE REQ鈥橠: Normal work conditions.
EYE PROTECTION REQUIREMENTS: Wear safety glasses with side shields.
GLOVE REQUIREMENTS: The use of chemically resistant gloves is
recommended.
CLOTHING REQUIREMENTS: Uniforms, coveralls, or a lab coat should be worn.
CHANGE/REMOVAL OF CLOTHING: Soiled clothing should be laundered before re-use.
WASH REQUIREMENTS: Wash before eating, drinking, or using toilet
facilities.
RESPIRATOR REQUIREMENTS: None required under normal handling conditions.
Use NIOSH approved respirator if vapor or mist
levels are irritating.
VENTILATION REQUIREMENTS: Local.
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SECTION 8. REACTIVITY
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STABILITY: Stable.
HAZARDOUS DECOMPOSITION PRODUCTS: Product contains low level of organic volatiles
which may be emitted or released in application
processes involving the use of heat. Vent all ovens
and process vessels to the outside atmosphere.
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SECTION 9. SPILL AND LEAK PR0CEDURES
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SPILL OR LEAK PROCEDURES: Avoide dispersal in air. Remove all ignition sources.
Possible dust explosion in air. Dampen spilled material,
sweep up, and shovel into waste drums.
WASTE DISPOSAL METHODS: Waste disposal should be in accordance with existing
federal,
state and local environmental regulations.
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SECTION 10. HANDLING AND STORAGE PRECAUTIONS
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STORAGE TEMPERATURE: Ambient
HANDLING/STORAGE: Store in a cool, dry area away from heat, sparks, or fire. All
handling equipment must be properly grounded.
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SECTION 11. SHIPPING INFORMATION
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DOT SHIPPING NAME: Not regulated.
DOT HAZARD CLASS: None.
DOT REPORTABLE QUANTITY: None.
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SECTION 12. OTHER REGULATORY
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TSCA: All components are on the TSCA inventory.
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SECTION 13. REGULATORY CONTACT
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MSDS DATE: 05/01/07
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SECTION 14. ADDITIONAL INFORMATION
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The information given and the recommendations made herein apply to our product (s) alone and not
combined with other product (s). Such are based on our research and on data from other reliable
sources and are believed to be accurate. No guaranty of accuracy is made. It is the purchaser鈥檚
responsibility before using any product to verify this data under their own operating conditions and to
determine whether the product is suitable for their purposes.
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