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jER™ YL983U

jER™ YL983U is a Bisphenol F-type liquid epoxy resin with very low chlorine content and low viscosity. It is used for electrical and electronic applications (Sealant, casting agent, adhesives, and so on). BenefitsExcellent adhesivenessGood elastic recovery FeaturesChemical, heat and water resistantElectrical insulating propertiesSignificantly low chlorine content (below 500 ppm)Low viscosityApplicationsElectrical and electronic applications Potting & encapsulation materialsAdhesives *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.

Brand: jER™ Epoxy (18 products)

Polymer Name: Epoxy Resins & Compounds

Functions: Adhesion Promoter, Binder & Resin, Coupling Agent, Resin, Resins, Binders & Matrix Materials

Chemical Family: Bisphenol Epoxy Resins, Bisphenol F Type Epoxy, Epoxy & Epoxy Derivatives

End Uses: Semiconductor Applications, Underfill

Compatible Substrates & Surfaces: Aluminum, Ceramic, Concrete, Fibers & Fabrics, Glass, Metal, Plastics, Steel

Features: Abrasion Resistance, Chemical Resistance, Chemical Resistant, Electrically Insulating, Excellent Electrical Insulation, Good Elastic Recovery, Good Electrical Properties, Good Mechanical Properties, Heat Resistance, Improved Dimensional Stability, Improved Flexibility, Low Chlorine Content, Low Viscosity, Reduced Wear, Water Resistance, Water Resistant

Enhanced TDS

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

CASE Ingredients Features
Materials Features
  • Highly adhesive to metal, porcelain, concrete
  • Excellent insulation property
  • High heat resistance
  • High chemical resistance
  • High water resistance
Product Highlights
  • Liquid type 
  • Significantly low chlorine content (Total-Cl:below 500ppm)
  • Low viscosity

Applications & Uses


Physical Form
pale yellow transparency
Physical Properties
ValueUnitsTest Method / Conditions
Density (at 25°C)1.2g/cm3Density Meter (Vibration type)
Typical Properties
ValueUnitsTest Method / Conditions
Epoxy Equivalent Weight (WPE)165 - 175g/eqPotentiometric Titration
Harsh Hydrolyzable Chloridemax. 200ppmPotentiometric Titration
Saponificable Chloride0 - 50ppmPotentiometric Titration
Viscosity (at 25°C)30-60PCapillary Viscometer
Total Chloride Content300ppm

Technical Details & Test Data

Typical Reactions with Representative Hardeners

jER™ YL983U - Typical Reactions With Representative Hardeners

Typical Reactions with Self Polymerization

jER™ YL983U - Typical Reactions With Self Polymerization

Selection of Hardeners

Appropriate choice of Hardener for a desired curing temperature

jER™ YL983U - Selection of Hardeners

General Ways to Use Epoxy
  • Epoxy resin forms 3D crosslinked network structure
  • Abundant choices of Epoxy/Hardener combination

 jER™ YL983U - General Ways To Use Epoxy

Packaging & Availability

Packaging Type
Packaging Information
Metal can with 20 kg net

Storage & Handling

Shelf Life
3 months
Storage and Handling

Carefully read the SDS before using, handling, transporting, storing or disposing. jER™ YL983U should be stored in tightly closed containers under exclusion of humidity at gentle temperatures. Avoid exposure to direct sunlight. Under these storage conditions the product has a minimum shelf life of three months from date of delivery.