Sumitomo Bakelite Co., Ltd.

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-9240K
ApplicationRelayRelaySensor
AdvantageHeat resistance●  
Good adhesive strength●●●
High strength  ●
ViscosityPa·s, 25°C35467
Specific
gravity		- , 25°C-1.4-
Color of cured materialBlackBlackBlack
Standard condition for curing100°C. 60min.
or
120°C. 30min.		100°C. 60min.
or
120°C. 30min.		120°C.
60min.

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°C1.7
Color of cured material Black
Standard condition for curing 100°. 2hr + 140°C. 2hr

Remark

  • The data given above are not guaranteed values.

Examples

Topics More

Precision Epoxy Products More

Call or email us about our Division/Department.

TEL:
+81-3-5462-4101
FAX:
+81-3-5462-4887

※9:00-17:40 Mon.-Fri. (JST)

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