Styrene-Free Varnish
This is a low-odor type impregnation varnish used in the insulation process of the coils and is a solventless varnish that does not use a styrene monomer.
Product name
Styrene-free varnish (V313-00, V573-00, V598-00)
Characteristics
- Low-odor and solventless varnish that allows a good working environment
- Does not contain substances with offensive odors specified in the Offensive Odor Control Act.
- Excellent impregnation ability and workability with low viscosity and a long pot life
Application example
- For impregnation of general-purpose motor and fan motor coils.
- For impregnation of sealed motor coils, etc.
General characteristics
| Item | Condition | Unit | Measured value | ||
| V313-00 | V573-00 | V598-00 | |||
|---|---|---|---|---|---|
| Composition | － | － | Epoxy modified polyester | Epoxy resin | Imide modified epoxy resin |
| Heat resistance category |
－ | － | F | F | H |
| Appearance | Visual | － | Light yellow, transparent |
Light yellow, transparent |
Brown |
| Viscosity | 25℃/B type | mPa・s | 1200 | 550 | 200 (60℃) |
| Specific gravity | 25℃/set to touch | － | 1.15 | 1.18 | 1.18 |
| Standard cure condition |
－ | ℃ x h | 130 x 4 | 150 x 8 | 200 x 12 |
| Pot life | 40℃ | Day | 30 | 2 | 8 |
| Monomer for viscosity adjustment |
－ | － | V716－00 | ― | ― |
| Standard formulation |
－ | Weight | V313-00/V716-00/V066-00 ＝100/100/2 |
V573-00/V032-00 ＝100/86 |
V598-00/V033-00 ＝34.2/20 |
| Volume resistivity |
normal state | Ω・cm | 5 x 1015 | 7 x 1016 | 3 x 1016 |
| Volume resistivity |
after submergence | 2 x 1015 | ― | ― | |
| Characteristics | Low odor | High heat resistance, high adhesive strength | High heat resistance, high adhesive strength | ||
| Major application | Induction motors, 3-phase motors, fan motors, and general-purpose motors | Large-sized rotary machines | Train motors | ||
