ANSI Material Safety Data Sheet
Hercules Chemical Company, Inc. 
HERCULES PLASTIC SEAL MSDS # 373
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HERCULES PLASTIC SEAL MSDS # 373 
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9. PHYSICAL AND CHEMICAL PROPERTIES 
Appearance: Thick paste. 
Physical State: Paste  Boiling Point: N/A 
Vapor Density: N/A  Vapor Pressure: N/A 
Specific Gravity (water=1): 1.5889  Evaporation Rate (butyl acetate=1): <1 
Freezing Point: Not applicable  Density: 13.25 lb/gal 
Acid / alkalinity (meq/g): No data available pH:  N/A 
Solubility In Water: Insoluble Voc: 4 g/L  
Solubility in organic solvent (state solvent): No data available 
10. STABILITY AND REACTIVITY 
Stability: Stable 
Hazardous polymerization: Material will polymerize upon contact with water or water vapor. 
Hazardous thermal decomposition / combustion products: Carbon dioxide (CO2); Carbon monoxide; 
Oxides of nitrogen and calcium oxide. 
Incompatibility (materials to avoid): Water, alcohol, amines, and acids will react with the resin. This could 
destroy the resin or cause unexpected hardening of the sealant. 
Conditions to avoid: N/A 
11. TOXICOLOGICAL INFORMATION 
HEALTH HAZARDS: 
Eye: N/A 
SKIN: N/A 
INGESTION: N/A 
INHALATION: N/A 
SUBCHRONIC: N/A 
CHRONIC/CARCINOGENICITY: N/A 
TERATOLOGY: N/A 
Mutagenicity: N/A 
REPRODUCTION: N/A 
12. ECOLOGICAL INFORMATION 
Ecotoxicity: No data available 
Distribution: No data available 
Chemical fate: No data available 
13. DISPOSAL CONSIDERATIONS 
Disposal method: Incinerate in furnace or bury in landfill in accordance with all applicable regulations. Not 
classified as a hazardous waste. 
14. TRANSPORT INFORMATION 
This product is not regulated for transportation. 




