Safety Data Sheet Revision Date: 7-June-2022 Version 1 1. IDENTIFICATION Product Identifier Product Name MucoHard+ Bonding Liner Recommended use of the chemical and restrictions on use Recommended Use Self-Cured, Hard Reline/Repair Resin. Details of the supplier of the safety data sheet Supplier Address Parkell, Inc. 300 Executive Drive Edgewood, NY 11717 Emergency Telephone Number Company Phone Number (631)249-1134 Emergency Telephone (24 hr) INfOtRAC 1-352-323-3500 (International) Signal Word Warning Hazard statements Harmful if swallowed Causes skin irritation Causes serious eye irritation May cause an allergic skin reaction Suspected of causing cancer May cause respiratory irritation. May cause drowsiness or dizziness May cause damage to organs through prolonged or repeated exposure

S642- MucoHard™+ Bonding Liner Precautionary Statements - Prevention Obtain special instructions before use Do not handle until all safety precautions have been read and understood Use personal protective equipment as required Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Contaminated work clothing must not be allowed out of the workplace Do not breathe dust/fume/gas/mist/vapors/spray Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection Precautionary Statements...

S642- MucoHard™+ Bonding Liner Call a poison center or doctor/physician if you feel unwell. Rinse mouth. Most important symptoms and effects Symptoms Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction. Suspected of causing cancer. May cause respiratory irritation. May cause drowsiness or dizziness. May cause damage to organs through prolonged or repeated exposure. Indication of any immediate medical attention and special treatment needed Notes to Physician Treat symptomatically. 5. FIRE-FIGHTING MEASURES Suitable Extinguishing Media...

S642- MucoHard™+ Bonding Liner Conditions for safe storage, including any incompatibilities Storage Conditions Store locked up. Store in a well-ventilated place. Keep container tightly closed. Incompatible Materials Acids. Alkalis. Oxidizing agents. Chemically active metals. Exposure Guidelines Appropriate engineering controls Engineering Controls Ensure adequate ventilation, especially in confined areas. Eyewash stations. Showers. Skin and Body Protection Impervious protective gloves. Respiratory Protection Use self-contained breathing apparatus when needed. General Hygiene Considerations Handle...

S642- MucoHard™+ Bonding Liner Property Decomposition Temperature Kinematic Viscosity Dynamic Viscosity Explosive Properties Oxidizing Properties Values Not determined Not determined Not determined Not determined Not determined Remarks • Method 10. STABILITY AND REACTIVITY Reactivity Not reactive under normal conditions. Chemical Stability Stable under recommended storage conditions. Possibility of Hazardous Reactions None under normal processing. Hazardous Polymerization Hazardous polymerization does not occur. Conditions to Avoid Avoid heat, ignition sources, moisture, aging, and contamination....

S642- MucoHard™+ Bonding Liner Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen. However, the product as a whole has not been tested. Suspected of causing cancer. Other Adverse Effects Not determined

S642- MucoHard™+ Bonding Liner 13. DISPOSAL CONSIDERATIONS Waste T reatment Methods Contaminated Packaging Disposal should be in accordance with applicable regional, national and local laws and regulations. Disposal should be in accordance with applicable regional, national and local laws and regulations. Please see current shipping paper for most up to date shipping information, including exemptions and special circumstances. Not regulated Not regulated Not regulated

S642- MucoHard™+ Bonding Liner 15. REGULATORY INFORMATION International Inventories

S642- MucoHard™+ Bonding Liner 16. OTHER INFORMATION NFPA HMIS Issue Date: Revision Date: Revision Note: Health Hazards 2 Health Hazards Not determined Flammability 3 Flammability Not determined Instability 3 Physical hazards Not determined Special Hazards Not determined Personal Protection Not determined Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release...