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jER™ 1256
jER™ 1256 is a solid epoxy resin formulated for use in a variety of applications, including PCM, CAN, and other coatings; carbon fiber–reinforced polymers (CFRP); and fiber-reinforced materials due to its toughness, strong adhesion, excellent insulating and vapor barrier properties, and resistance to heat, water, and chemicals.
- Manufacturer: Mitsubishi Chemical Group
- Product Line: jER™ Epoxy Resins
- Product: jER™ Thermosetting Epoxy Resins
- Industries: Adhesives | Coatings | Maintenance, Repair, Overhaul
- Authorized Countries: United States
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Overview
jER™ 1256 is a bisphenol A-type solid epoxy resin with epoxy functional groups at both ends. It can be used in various applications, including PCM, CAN, and other coatings; carbon fiber–reinforced polymers (CFRP); and fiber-reinforced materials due to its toughness, strong adhesion, and excellent insulating and vapor barrier properties. It also exhibits outstanding resistance to heat, water, and chemicals.
Specifications
Structure: BisA
Epoxy equivalent weight (WPE): 7,500–8,500 g/eq
Appearance: Pale yellow solid pellet
Viscosity @ 25°C (40% butyl carbitol solution):
CAS: 25036-25-3
Features & Benefits
High molecular weight
Resistance to heat, water, and chemicals
High softening points
Good film former
Hydrolysis resistance
Flexibility
Strong adhesion
Insulating and vapor barrier properties
Toughness and film/sheet formability
Problems Solved
Damage to coatings caused by exposure to weather, chemicals, or water
Resin shifting or distortion from water
Cracking and surface defects of coatings used on flexible substrates
Applications
Compatible with metal, aluminum, concrete, masonry, glass, fibers, fabrics, plastics, steel, and ceramic
PCM, CAN, and other coatings
Paints and coating: additive to improve paintability/coatability
CFRP: Additive to give toughness/flexibility
Fiber-reinforced materials
Thermoplastics
Printed electronics
Plastic processing
Related Applications
Adhesives
- Architectural
- Ceramics
- Industrial
- Machinery & Appliances
- Packaging
- Paper & Consumables
- Sealants
- Textiles
Related Chemistries
Maintenance, Repair, Overhaul
Related Functions
Related Technologies
Adhesives
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