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jER™ YL983U

Sold by Mitsubishi Chemical Group Corporation
Polymer Name: Epoxy Resins & Compounds
Function: Adhesion Promoter, Binder, Coupling Agent
Chemical Family: Bisphenol F Type Epoxy, Epoxy & Epoxy Derivatives, Bisphenol Epoxy Resins
End Uses: Underfill, Semiconductor Applications
Compatible Substrates & Surfaces: Concrete, Metal, Aluminum, Glass, Steel, Plastics, Fibers & Fabrics, Ceramic
Features: Heat Resistance, Reduced Wear, Improved Dimensional Stability, Good Elastic Recovery, Water Resistant, Good Mechanical Properties, Good Electrical Properties, Abrasion Resistance, Chemical Resistant, Electrically Insulating, Low Chlorine Content, Water Resistance, Chemical Resistance, Improved Flexibility, Low Viscosity, Excellent Electrical Insulation
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Minimum Order Quantity
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TypeDocument Name
jER™ Epoxy Resin Series Brochure
jER™ Epoxy Resin Series Brochure
Technical Data Sheet
jER™ YL983U Technical Data Sheet
jER™ YL983U Technical Data Sheet
Technical Data Sheet
Safety Data Sheet
jER™ YL983U Safety Data Sheet
jER™ YL983U Safety Data Sheet
Safety Data Sheet

Knowde Enhanced TDS

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Identification & Functionality

jER™ YL983U Features & Benefits

  • 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.

jER™ YL983U
Mitsubishi Chemical Group Corporation