Hardener PEPA: Description, Characteristics, and Applications
Hardener PEPA, also known as polyethylene polyamine, is a liquid ranging from light yellow to dark brown in color, free from mechanical impurities. A greenish tint is allowed.
This chemical compound is used as a hardener for epoxy resins.
Characteristics of Hardener PEPA:
- Appearance: Liquid ranging from light yellow to dark brown, free from mechanical impurities; a greenish tint is allowed.
- Density: 0.956–1.011 g/cm³ at 25°C.
- Viscosity: Approximately 900 mPa·s.
- Molecular weight: Between 230–250.
- Melting point: -30°C.
- Boiling point: Over 350°C.
- Flash point: 104°C.
- Nitrogen content: At least 30%.
- Titrated nitrogen: Between 19.5–22.0%.
- Chloride ion: Absent.
Applications of Hardener PEPA:
- Epoxy resin curing: Used for curing various types of epoxy resins such as ED-20, ED-16, ED-24, and others.
- Production of ion-exchange resins: Acts as a hardener in the production of ion-exchange resins.
- Additive manufacturing: Used as a component in the production of various additives.
- Other applications: Utilized in other industries where epoxy resin curing is required.
Advantages of Hardener PEPA:
- Efficiency: Ensures fast and complete curing of epoxy resins.
- Versatility: Suitable for curing different types of epoxy resins.
- Affordability: Relatively inexpensive.
- Ease of use: Easily mixes with epoxy resin.
Important Safety Precautions:
When working with Hardener PEPA, it is essential to follow safety precautions:
- Avoid contact with eyes and skin.
- Use protective gloves, goggles, and a respirator.
- Ensure proper ventilation in the workspace.
- Keep away from open flames.
- Store in a tightly sealed container in a cool, dark place.
Hardener PEPA is an essential component for working with epoxy resins.
If you have any questions regarding Hardener PEPA, feel free to ask.
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