HENKEL LOCTITE CORPORATION 10/28/02 ROCKY HILL, CONNECTICUT EMERGENCY PHONE: (860) MATERIAL SAFETY DATA SHEET Page 01 of 05

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1 CHEMICAL PRODUCT AND COMPANY IDENTIFICATION MATERIAL SAFETY DATA SHEET Page 01 of 05 Product Type: Threadlocker 2. COMPOSITION, INFORMATION ON INGREDIENTS Ingredients CAS No. % Methacrylate resin Proprietary Hydroxyalkyl methacrylate Maleimide resin Silica, amorphous, treated Aromatic dimethacrylate ester CUMENE HYDROPEROXIDE* Poly(ethylene) Poly(tetrafluoroethylene) Saccharin N,N-Dialkyltoluidines MALEIC ACID Acetyl-2-phenylhydrazine * This component is listed as a SARA Section 313 Toxic Chemical. Ingredients which have exposure limits Exposure Limits (TWA) ACGIH OSHA OTHER Ingredients (TLV) (PEL) Hydroxyalkyl methacrylate None None 1 ppm TWA 3 ppm STEL Silica, amorphous, treated 10mg/m3 (Inhal) 20 mppcf 6 mg/m3 3mg/m3 (Resp) CUMENE HYDROPEROXIDE None None 1ppm(6mg/m3) Skin(WEEL) Poly(tetrafluoroethylene) None None AEL (DuPont) 5mg/m3 8hr dust Exposure Limits (STEL) ACGIH OSHA Ingredients (TLV) (PEL) 3. HAZARDS IDENTIFICATION Toxicity: Severe eye irritant. Moderate skin irritant. Possible inhalation irritant. May be harmful if swallowed.

2 MATERIAL SAFETY DATA SHEET Page 02 of HAZARDS IDENTIFICATION (continued) Primary Routes of Entry: Signs and Symptoms of Exposure: Existing Conditions Aggravated by Exposure: Eyes, skin, inhalation Prolonged or frequent contact may cause skin irritation. May cause severe dermatitis on prolonged contact in sensitive individuals. Dermatitis Literature Referenced Carcinogen Ingredients Target Organ and Other Health Effects NTP IARC OSHA Methacrylate resin No Data NO NO NO Hydroxyalkyl methacrylate ALG IRR NO NO NO Maleimide resin NTO NO NO NO Silica, amorphous, treated NTO NO NO NO Aromatic dimethacrylate ester ALG IRR NO NO NO CUMENE HYDROPEROXIDE ALG CNS COR IRR MUT NO NO NO Poly(ethylene) NTO NO N/A NO Poly(tetrafluoroethylene) NTO NO N/A NO Saccharin NTO NO N/A NO N,N-Dialkyltoluidines NTO NO NO NO MALEIC ACID IRR KID NO NO NO 1-Acetyl-2-phenylhydrazine ALG BLO KID MUT SOM NO NO NO Abbreviations N/A Not Applicable BLO Blood COR Corrosive KID Kidney NTO No Target Organs ALG Allergen CNS Central nervous system IRR Irritant MUT Mutagen SOM Some evidence of carcinogenicity 4. FIRST AID MEASURES Ingestion: Inhalation: Skin Contact: Eye Contact: Do not induce vomiting. Keep individual calm. Obtain medical attention. Does not apply Wash with soap and water. Flush at least 15 minutes with water. Obtain medical attention.

3 MATERIAL SAFETY DATA SHEET Page 03 of FIRE FIGHTING MEASURES Flash Point: More than 200 F Method: Tag Closed Cup Recommended Extinguishing Agents: Carbon dioxide, foam, dry chemical Special Firefighting Procedures: Hazardous Products formed by Fire or Thermal Decomp Oxides of carbon and nitrogen, silica; small amounts of formaldehyde; toxic fumes. Unusual Fire or Explosion Hazards: None Explosive Limits: (% by volume in air)lower (% by volume in air)upper 6. ACCIDENTAL RELEASE MEASURES Steps to be taken in case of spill or leak: Soak up with an inert absorbent. Store in a half filled container until disposal. 7. HANDLING AND STORAGE Safe Storage: Store below 100 F (Contact Loctite Customer Service for shelf life information) Handling: Avoid prolonged skin contact. Keep away from eyes. 8. EXPOSURE CONTROLS, PERSONAL PROTECTION Eyes: Skin: Ventilation: Respiratory Safety glasses or goggles. Rubber or plastic gloves.butyl or nitrile may be most appropriate. Normal mechanical ventilation is adequate. See Section 2 for Exposure Limits. 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance: Red-orange liquid Odor: Slight Boiling Point: ph: Does not apply Solubility in Water: Insoluble Specific Gravity Volatile Organic Compound (EPA Method 24) 14.44%; 172 grams per liter Vapor Pressure: Negligible

4 MATERIAL SAFETY DATA SHEET Page 04 of PHYSICAL AND CHEMICAL PROPERTIES (continued) Vapor Density: Evaporation Rate (Ether = 1) 10. STABILITY AND REACTIVITY Stability: Stable Hazardous Polymerization: Will not occur Incompatibility: Acids, bases, oxidizing agent, reducing agnets, free radical initiators, peroxides, mild steel, and possibly other metallic compounds. These incompatibilities do not preclude the use of this product as a threadlocker for any substrate mentioned above; however, this product should not be stored in a container composed in whole or in part of these substrates. Conditions to Avoid: Hazardous Decomposition Products (non-thermal): None 11. TOXICOLOGICAL INFORMATION 12. ECOLOGICAL INFORMATION 13. DISPOSAL CONSIDERATIONS See Section 3. No data available Recommended methods of disposal: Incinerate following EPA and local regulations. EPA Hazardous Waste Number D001 per 40 CFR TRANSPORTATION INFORMATION DOT (49 CFR 172) Domestic Ground Transport Proper Shipping Name: Unrestricted Hazard Class or Division: Unrestricted Identification Number: None Marine Pollutant: None IATA Proper Shipping Name: Unrestricted Class or Division: Unrestricted UN or ID Number: None

5 MATERIAL SAFETY DATA SHEET Page 05 of REGULATORY INFORMATION CA Proposition 65: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Ethylene oxide, propylene oxide, dioxane This product contains Saccharin. No Prop65 hazard warning is necessary if this product is used as reasonably anticipated. 16. OTHER INFORMATION Estimated NFPA(R) Code: Health Hazard: 1 Fire Hazard: 1 Reactivity Hazard: 1 Specific Hazard: Does not apply Estimated HMIS(R) Code: Health Hazard: 1* Flammability Hazard: 1 Reactivity Hazards: 1 Personal Protection: See Section 8. NFPA is a registered trademark of the National Fire Protection Assn. HMIS is a registered trademark of the National Paint and Coatings Assn. Prepared By: Stephen Repetto Title: Research Chemist - Health & Regulatory Affairs Company: Henkel Loctite Corporation, Rocky Hill CT (24hr.) Phone: (860) Revision Date: January 27, 1999 Revision: 0005