SynChem – Resins & Varnishes Synthite EB-43/387-D Polyester enamel varnish

Synthite EB-43/387-D is a black, very quick drying Polyester enamel varnish.

Synthite EB- 43/387-D has the following excellent properties:

  • very fast drying
  • UL-approved
  • excellent chemical resistance
  • oil and moisture resistant
  • hard, smooth, abrasion resistant film
  • good adhesion
  • good electrical properties
  • transformer oil resistance ASTM D 155-55
  • corrosion and humidity resistance
Download datasheet

Application

Typical applications for Synthite EB-43/387-D are:

  • stators
  • printed circuit boards
  • form wound coils
  • resistors
  • transformers
  • bus bars

Standards

class H (180°C) UL 1446
UL-file-no. OBOR2.E317427 and OBJS2.E317429

magnet wire Twisted Pairs Helical Coil
MW 24-C 155 °C 155 °C
MW 28-C 130 °C 130 °C
MW 35-C 180 °C 180 °C

 

 

 

 

 

 

 

Delivery forms

5 kg, 25 kg and spray cans on request.

Color

Black

Storage

Store in cool, dry place (max. 30 °C) away from direct sunlight. Proect from moisture and humidity. Shelf-life is 24 months when stored in closed original containers at max. 30 °C.

Hardening

Air-drying tim (on copper plate):
60 min. - set to touch

Protection

Use in well ventilated areas, avoid contact with scin and eyes and wear protective clothes. For more details see the safety data sheet.

Processing

For spraying application, Synthite EB-43/387-D must be thinned with 15 % of Dolph's® T-200 thinner.
It is supplied with a viscosity suitable for application by brush.

Technical data

Mechanical
Property Unit of measure Conditions  Values  Test method 
Coating thickness  µm    75-100 ASTM D-115-55
Chemical
Property Conditions ISO 2812-2 / 168 h  Blistering  Rusting  Cracking  Test method 
Resistance  Water     no ISO 4628/2-3-4
Resistance  10 % sulphuric acid no no no ISO 4628/2-3-4
Resistance  1 % Sodium hydroxide no no no ISO 4628/2-3-4
Resistance  Salt water no no   ISO 4628/2-3-4
Liquid phase
Property Unit of measure Bedingung  Werte  Prüfmethode 
Specific density  g/l  25 °C 1070 - 1130  
Viscosity  25 °C 60-80 Ford Cup 4
Viscosity  25 °C 75-110 ISO Cup 5
Electrical
Property Unit of measure Conditions  Value  Test method 
Dielectric strength  kV/mm  dry / 0.025 mm film thickness 80 ASTM D-115
Dielectric strength  kV/mm  after 24 h water disposal / 0.025 mm film thickness 48 ASTM D-115
Creep resistance      600 M DIN IEC 60112