Precision Epoxy Products
Liquid Epoxy Resin

Products

SUMIMAC®ECR/ECH has excellent workability and safety and is widely used for electrical insulation of ignition coils, relays and sensor applications.

Plants

  • Shizuoka plant

Laboratories

  • High Performance Plastic Technology Development Laboratory

Features

Insulated filling material for ignition coils

  • Separated type liquid resin: Epoxy / hardener
  • Low viscosity and good deforming performance for coil impregnation and excellent withstanding voltage
  • Easy operation with good mixing performance
  • Good storage stability

Insulated encapsulation material for relays
(automotive, communication and industrial equipment)

  • Premix type liquid resin: epoxy / hardener
  • Good heat resistance for reflow soldering
  • Good adhesion with phosphorus bronze terminals
  • Low cure temperature grade (100°C) is available.
  • Separated type liquid resin: epoxy / hardener
  • Excellent electrical insulation properties
  • Good storage stability

Applications

Electrical and Electronic Equipment

Electronic Components

Application example: ignition coil impregnation

Application example: relay encapsulation

Specifications

SUMIMAC®ECR series products line-up (Premix-type liquid resin: Epoxy/hardener)

 ECR-9250KECR-9185KECR-9240KECR-9125K
ApplicationRelayRelaySensorCeramic filter
AdvantageHeat
resistance
   
Good
adhesive
strength
 
Low temp.
curing
   
High
strength
   
ViscosityPa·s,
25°C
3546718
Specific
gravity
- ,
25°C
-1.4-1.3
Color of cured materialBlackBlackBlackBlack
Standard condition
for curing
100°C. 60min.
or
120°C. 30min.
100°C. 60min.
or
120°C. 30min.
120°C.
60min.
80°C. 60min.
or
100°C. 30min.

Remark

  • The data given above are not guaranteed values.

SUMIMAC®ECR, ECH series products line-up (Separated-type liquid resin: epoxy/hardener)

 ECR-2222K
+
ECH-222G
ApplicationIgnition coil package
AdvantageGood impregnation ability
Low temp. curing 
Flame resistance 
Mixing ratio (resin/hardener)100 / 100
Viscosity of mixture

Pa·s,
25°C

0.5 / 60°C.
Specific gravity of mixture-,
25°C
1.7
Color of cured material Black
Standard condition for curing 100°. 2hr
+
140°C. 2hr

Remark

  • The data given above are not guaranteed values.

Examples

Exhibitions More

Precision Epoxy Products More

Call or email us about our Division/Department.

TEL:
+81-3-5462-4118
FAX:
+81-3-5462-4889

※9:00-17:40 Mon.-Fri. (JST)

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