ANSI Material Safety Data Sheet
Material Safety Data Sheet # 373
Hercules Chemical Company Inc. 
111 South Street 
Passaic NJ 07055-7398 
Information Telephone: 1-800 221-9330 
Internet: www.herchem.com 
NFPA  
HMIS  
PPE  
Transport Symbol 
Preparation: 9/29/09 
Revision Date  
Revision Number 0
HERCULES PLASTIC SEAL MSDS # 373 
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1. PRODUCT AND COMPANY IDENTIFICATION 
Product Identity: PLASTIC SEAL 
Intended Use:   Sealant 
Manufacturer:  Hercules Chemical Company, Inc.  Information Telephone: (800) 221-9330 
 111 South Street 
  Passaic, New Jersey 07055-7398    Internet: http://www.herchem.com 
Emergency Phone: CHEMTREC: (800) 424-9300 
NFPA Rating: Health = 1  Fire = 0   Reactivity = 0 
HMIS Rating: Health = 1  Fire = 0   Reactivity = 0 
MSDS Date of Preparation:  09/29/09 
2. HAZARDS IDENTIFICATION 
This product is a thick paste. 
EMERGENCY OVERVIEW 
WARNING! May cause eye irritation. Repeated or prolonged exposure may cause moderate skin irritation and 
sensitization. May cause an allergic skin rash in sensitive individuals. 
Ingestion: Very low toxicity if swallowed. Harmful effects not anticipated from swallowing small amounts. 
Skin: May cause moderate skin irritation on a single short exposure. Repeated or prolonged exposure may lead 
to sensitization or cause an allergic skin rash on sensitive individuals. 
Inhalation: Not a likely route of exposure. 
Eyes: Eye irritation on contact with the uncured product. 
Medical conditions aggravated: Pre-existing skin condition. 
Subchronic (target organ): Eye, Skin. 
Chronic effects / carcinogenicity: This product or one of its ingredients present at 0.1% or more is NOT listed 
as a carcinogen or suspected carcinogen by NTP, IARC, or OSHA. 
Routes of exposure:  Eyes; Skin; Ingestion. 




