High-temperature resistant varnish copolyimine impregnating resin T1050
· High mechanical strength
· Resistant to water and oil
· Distortion temperature to be 200℃
- · Excellent storage stability
- · Strong bonding strength
- · Short gelling time under high temperature
- · Compatible well with magnet wires
- · Good insulation performance
- · Trickle or impregnation
TYPICAL APPLICATIONS
· Class H motors, transformers and electric appliances
TYPICAL PROPERTIES
Items |
Specifications |
|
T1050 |
||
Appearance |
Dark brown transparent liquid, no mechanical impurity |
|
Viscosity:TU-4 cup viscometer,23±2℃(s) |
30-60 | |
Solid content:(%) ≥ |
48 | |
Drying time130±2℃(h) ≤ |
2 | |
Solidifying capacity: 2h130℃,2h;150℃,4h (better than) |
S1,U1,I22 |
|
Volume resistivity:(Ω.m) |
Normal: ≥ |
1×1013 |
Immersed in water:≥ |
1×108 | |
Breakdown strength:(MV/m) |
Normal: ≥ |
22 |
Immersed in water:≥ |
20 | |
Storage stability:(50±2℃)viscidity increase times ≤ |
1 | |
Note |
(1) Shelf life: 6 months. (2) Curing condition of Item6,7: 130±2℃,2h,150±2℃,4h; (3) Viscosity and solid content can be adjusted to more than 60s and 95% respectively,accoding to customers’ need. (4) Thinner: TX-118. |
Pre-baking |
20-130℃ |
2-6h |
Impregnating |
50-60℃ |
15-30min(until there is no air bubbles.) |
Draining |
30min | |
Baking |
120-130℃ |
4h |
150℃ |
4-6h (Bake again at 180℃ for 2-4h ,if the parts are used under the condition of high running speed and large centrifugal force.) |