GI-311B

Appearance/Odor

| White to buff colored. Essentially odorless SECTION IV - FIRE AND EXPLOSION HAZARD DATA FLASH POINT: Greater than 210 °F FLAMMABLE LIMITS: N.A. LEL: N.A. (ASTM D-3278) UEL: N.A. EXTINGUISHING MEDIA: Carbon dioxide, sand, foam, dry chemicals SPECIAL FIRE FIGHTING PROCEDURES: Firefighters should wear full protective clothing, including self- contained breathing apparatus. UNUSUAL FIRE AND EXPLOSION HAZARDS: None known to date. “N.A. throughout this document represents "Not Applicable". PRODUCT NAME: GI-311B -2- SECTION V - REACTIVITY DATA STABILITY: STABLE CONDITIONS TO AVOID: N.A. INCOMPATIBILITY (materials to avoid): Strong bases will cause depolymerization. HAZARDOUS DECOMPOSITION OR BYPRODUCTS: Carbon dioxide, silicon dioxide. HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: N.A. SECTION VI - HEALTH HAZARD DATA

Principle Routes of Exposure

INHALATION? NO SKIN? YES INGESTION? NO HEALTH HAZARDS (acute & chronic): May cause temporary, reversible eye irritation. CARCINOGENICITY: NTP? NO IARC MONOGRAPHS? NO

Medical Conditions Generally Aggravated by Exposure

None known to date. EMERGENCY AND FIRST AID PROCEDURES: | Eye Contact: Flush eyes with large quantities of water for at least 15 minutes. Consult a physician. SECTION VII - PRECAUTIONS FOR SAFE HANDLING AND USE STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: Cover spill with an absorbent material such as sand or sawdust. Scoop up and place in an appropriately marked container. WASTE DISPOSAL METHOD: May be incinerated or land-filled under conditions complying with federal, state, and local environmental control regulations. PRECAUTIONS TO BE TAKEN IN HANDLING AND STORING: Store at temperatures between 32 and 80 °F OTHER PRECAUTIONS: N.A. SECTION VIII - CONTROL MEASURES RESPIRATORY PROTECTION: Not required. VENTILATION: LOCAL EXHAUST: N.A. SPECIAL: N.A. MECHANICAL: N. A. OTHER: N.A. PROTECTIVE GLOVES: Rubber EYE PROTECTION: Safety goggles OTHER PROTECTIVE CLOTHING OR EQUIPMENT: | Rubber apron, eye wash fountain, safety shower. WORK/HYGIENIC PRACTICES: Wash hands immediately after use. PREPARED BY: DJ Date: 5/13/98 SILICONES, INC. MATERIAL SAFETY DATA SHEET PRODUCT NAME: GI-311A SECTION I - PRODUCT IDENTIFICATION MANUFACTURER: Information Phone: 336/886-5018 Silicones, Inc. Emergency Phone: CHEMTREC P. O. Box 363 800/424-9300 211 Woodbine St. High Point, NC 27261 PRODUCT NAME: GI-311A SECTION I - HAZARDOUS INGREDIENTS/AIDENTITY INFORMATION INGREDIENTS CAS # EXPOSURE LIMITS Organo tin compounds 0.1 mg/m? as tin Ethy1 silicate 78-10-4 10 ppm Polymeric ethyl silicate 68412-37-3 N.A. SECTION HI - PHYSICAL/CHEMICAL CHARACTERISTICS BOILING POINT: N.A.* SPECIFIC GRAVITY: 0.99 VAPOR PRESSURE (mm Hg.): N.A. MELTING POINT: N.A. VAPOR DENSITY (AIR=1): N.A. EVAPORATION RATE (Butyl Acetate=1): N.A. SOLUBILITY IN WATER: | Slight APPEARANCE AND ODOR: | Blue liquid. Mild alcohol-like odor. SECTION IV - FIRE AND EXPLOSION HAZARD DATA FLASH POINT: 208 °F FLAMMABLE LIMITS: N.A. LEL: N.A. (ASTM D-3278) UEL: N.A. EXTINGUISHING MEDIA: Carbon dioxide, sand, foam, dry chemicals SPECIAL FIRE FIGHTING PROCEDURES: Firefighters should wear full protective clothing, including self- contained breathing apparatus. UNUSUAL FIRE AND EXPLOSION HAZARDS: Organo tin fumes may be evolved. _1- “'N.A. throughout this document represents "Not Applicable". PRODUCT NAME: GI-311A -2- SECTION V - REACTIVITY DATA STABILITY: STABLE CONDITIONS TO AVOID: N.A. INCOMPATIBILITY (materials to avoid): Acids, bases and water. HAZARDOUS DECOMPOSITION OR BYPRODUCTS: | Ethanol, silicon dioxide, carbon dioxide, and organo- tin compounds. HAZARDOUS POLYMERIZATION: WILL NOT OCCUR CONDITIONS TO AVOID: N.A. SECTION VI - HEALTH HAZARD DATA ROUTES OF ENTRY: INHALATION? YES SKIN? YES INGESTION? NO HEALTH HAZARDS (acute & chronic): Eye and skin irritant. Temporary irritation of respiratory tract may occur. CARCINOGENICITY: NTP? NO IARC MONOGRAPHS? NO OSHA REGULATED? NO SIGNS AND SYMPTOMS OF EXPOSURE: Overexposure via inhalation or skin absorption may cause headache and nausea. May irritate eyes and skin on contact. Inhalation of vapors may irritate the respiratory tract. MEDICAL CONDITIONS GENERALLY AGGRAVATED BY EXPOSURE: None known to date.