SynChem – Resins & Varnishes AQUA-THERM BC-380/870-D
AQUA-THERM BC-380/870-D is a white, water-based varnish with low environmental impact.
AQUA-THERM BC-380/870-D has the following features:
- UL approved
- very good bond strength
- very good abrasion resistance
- very good resistance to moisture and chemicals
- good flexibility
- Freon R22 resistant
- high flash point (over 100 °C)
Application
AQUA-THERM BC-380/870-D is mainly used for impregnation of:
- stators
- rotors
- transformers
- hermetic motors
- electrical devices
- laminations
Standards
- UL-approved, File OBOR2.E317427 and OBJS2.E317429
- Thermal class 180 °C acc. UL 1446
| magnet wire | Twisted Pairs |
| MW35-C | 180°C |
Delivery forms
AQUA-THERM BC-380/870-D is supplied in 20 kg containers and 200 kg barrels.
Storage
Store in a cool dry place (max. 30 °C) away from direct sunlight. Protect from moisture and humidity. Shelf-life is 9 months when stored in closed original container at max. 30 °C. Being a water-thinnable emulsion with a very low co-solvent content, this prouduct suffers from cold and must be stored at temperatures included between 0 and + 30 °C.
Hardening
Typical curing times:
- at 170 °C 2-4 h
- at 150 °C 3-5 h
- at 135 °C 5-8 h
Curing times after reaching the object temperature.
Protection
Use in well ventilated area, avoid contact with skin and eyes and wear protective clothes. For more details see the SDS.
Processing
AQUA-THERM BC-380/870-D can be used as supplied or diluted up to 70 % with tap water depending on the final objects. It is recommended to mix the product in the original container before use. It is recommended to mix the product into the tank for some minutes twice a day to avoid sedimentation.
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Our product manager will be happy to help you.
Technical data
| Property | Unit of measure | Value | Conditions | Test method |
|---|---|---|---|---|
| Bond strength | N | >170 | 25 °C helical coil / MW 35-C | IEC 61033B |
| Bond strength | N | >38 | 155 °C helical coil / MW 35-C | IEC 61033B |
| Property | Value | test method |
|---|---|---|
| Thermal class | H (180 °C) | MW 35-C |
| Property | Unit of measure | Value | Conditions | Test method |
|---|---|---|---|---|
| Dielectric strength | kV/mm | >100 | 0.025 mm film thickness | ASTM D–115 |
| Property | Unit of measure | Value | Test method |
|---|---|---|---|
| Viscosity | s | 35-80 | ISO Cup 3 / 25 °C |
| Flashpoint | °C | >100 | SETA closed cup |
| Specific density | g/cm³ | 1.04 | 25 °C |