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
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.
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.
You have questions according to our resins and varnishes or want to send an inquiry?
Our product manager will be happy to help you.
Technical data
| Property | Unit of measure | Conditions | Values | Test method |
|---|---|---|---|---|
| Coating thickness | µm | 75-100 | ASTM D-115-55 |
| 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 |
| Property | Conditions ISO 2812-2 / 168 h | Blistering | Rusting | Cracking | Test method |
|---|---|---|---|---|---|
| Resistance | Water | no | no | 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 | no | ISO 4628/2-3-4 |
| Property | Unit of measure | Conditions | Values | Test method |
|---|---|---|---|---|
| Viscosity | s | 25 °C | 60-80 | Ford Cup 4 |
| Viscosity | s | 25 °C | 75-100 | ISO Cup 5 |
| Specific density | g/cm³ | 25 °C | 1.07-1.13 |