87 Oakwood Road

SECTION 2: Hazards identification

(29 CFR 1910.1200) Skin corrosion/irritation, Category 2 Skin sensitizer, Category 1A H315 Causes skin irritation. Eye damage/irritation, Category 2A H317 May cause an allergic skin reaction. Chronic aquatic toxicity, Category 3 H319 Causes serious eye irritation. H411 Toxic to aquatic life with long lasting effects Eye Health Effects/ Symptoms: Causes eye irritation. Skin Health Effects /Symptoms: Causes skin irritation. May cause an allergic skin reaction. Inhalation Health Effects / Symptoms: N/A Ingestion Health Effects / Symptoms: May cause damage to organs 3. Components CAS Number Chemical Name Percent Mixture of epoxy resin with silica

Non Hazardous Components

100% filler

Additional information

Material will burn as combustion solid 6. Accidental Release Procedures Spill Procedure Pick up spill material to prevent slipping hazard. No special precaution required. (Less than 1 Gallon): Spill Procedures Pick up spill material to prevent slipping hazard. No special precaution required. (More then 1 Gallon): 7. Handling and Storage Procedures No special handling and / or storage hazards 8. Exposure Controls / Personal Protection Ventilation: Not required Respiratory: Not required Eyes: Safety glasses with side shields Clothing / Gloves: Rubber Gloves 9. Physical and Chemical Properties Boiling Point (degree C): N/A Melting Point (degree C): N/A Vapor Pressure (mm Hg): N/A Percent Volatiles: < 0.1% Vapor Density (air =1) Solid Specific Gravity: 1.6 Evaporation Rate: N/A Oxidizing Properties Strong oxidizers Solubility: N/A PH: N/A Oil / Water Coefficient: N/A Odor Threshold: No odor Physical State: Solid

Appearance/Odor

Off-White, No odor 10. Stability and Reactivity Stability: Stable Incompatibility: None Decomposition: Oxides of carbon, silicon oxide Polymerization: Not occur 11. Toxicological Information Eye: N/A Inhalation: N/A Skin: N/A Ingestion: N/A Sensitization: None Irritancy: None Mutagenicity: None Teratogenicity: None Reproduction: None Conditions Aggravated by Exposure: None Carcinogenicity: None NTP: None OSHA: None IARC: None Other: N/A 12. Ecological Information Ecological Information: Not a hazard to the environment. Material will not decompose rapidly in the environment. Chemical Fate Information: N/A 13. Disposal Considerations Wipe up and collect for proper disposal methods. Follow all applicable Waste Disposal Procedures: local, state and federal disposal regulations. Dispose of according to regulations by incineration in a special waste incinerator. Small quantities may be disposed of in a domestic waste incinerator. Waste Disposal Codes 080410 for cured material (All that apply): 1150102 for empty pail and cartridges 14. Transportation Information Shipping and Labeling Information: Not regulated for shipping purpose. 15. Regulatory Information U.S. Federal Regulation: None Known State Regulation: None Known International Regulations: None Known 16. Additional Information These data are offered in good faith as typical values and not as product specifications. No warranty, either expressed or implied, is hereby made. The recommended industrial hygiene and safe handling procedures are believed to be generally applicable. However, each user should review these recommendations in the specific context of the intended use and determine whether they are appropriate. Safety Data Sheet Total 6 pages EP1640 Low Coefficient of Thermal Expansion Adhesive SDS No.: 0312051640G Revision Date: 2005/03/12, 2014/12/04, 2015/05/15, 9/18/2019, 5/20/2025 1. Manufacturing And Product Information Manufacturer: United Adhesives Inc. Product Disposal Information: 87 Oakwood Road CHEMTREC: (989) 496-5900 Lake Zurich, IL 60047, USA phone# +1 (224) 436 0077 Trade Name: EP1640 Part B Chemical Name or Synonym: Low Coefficient of Thermal Expansion Adhesive Generic Description: Low Coefficient of Thermal Expansion Epoxy Adhesive Physical Form: Semi-Fluid Color: Amber Odor: Slight odor NFPA Profile: Health 2 Flammability 1 Instability/Reactivity 1 Note: NFPA = National Fire Protection Association 24 Hour Emergency Telephone: 1-800-424-9300 2. Hazards Identification Skin corrosion/irritation, Category 2 Skin sensitizer, Category 1A H315 Causes skin irritation. Eye damage/irritation, Category 2A H317 May cause an allergic skin reaction. Chronic aquatic toxicity, Category 3 H319 Causes serious eye irritation. H411 Toxic to aquatic life with long lasting effects Eye Health Effects/ Symptoms: Causes eye irritation. Skin Health Effects /Symptoms: Causes skin irritation. May cause an allergic skin reaction. Inhalation Health Effects / Symptoms: N/A Ingestion Health Effects / Symptoms: May cause damage to organs 3. Components CAS Number Chemical Name Percent Mixture of amine cure agent with silica