1.Product introduction
This product is diluted by little polar solvent ,such
as modified epoxy ,tongma acid anhydride and auxiliary agent .it is
featured with good dielectric property,heat-resistance ,three proof
and good mechanical performandce with the best storage stability .With
good immersion & baking manufacturability,higher solid content,low
viscosity,low curing temperature ,short time ,strong adhesive force
.The product can be used for insulation processing of F grade motor,electrical
appliances ,also general purpose between B & F grade.
2.Technological requirements:
No.
|
Index name |
Unit
|
Index value |
1
|
appearance |
|
Transparent liquid ,no mechanical impurity |
2
|
Viscosity,#4 viscosimeter23±1 |
S
|
20-50 |
3
|
Solid content,120℃ 1h, 150℃
2h 10g |
%
|
70±4 |
4
|
gelling time 140±2℃ |
h
|
≤4 |
5
|
Cure capability for the thick layer
,45×45×25mm Aluminium box 10g 120℃ 1h 150℃ 2h |
|
Equal to S1
U1 I4.2 |
6
|
Thermoelasticity,180±2℃ |
h
|
≥48 |
7
|
Dielectric strength,ordinary state
after soaking 24h under 23±2℃ |
MV/m
|
≥60
≥40 |
8
|
Volume resisitivity
Ordinary state
24h under 23±2℃ water 155±2℃ |
MΩ.m
|
≥1×1012
≥1×1011
≥1×108 |
3.application instruction
Every kindof motor &electrical appliance
should be immersed in varnish for 20-30 min under 50℃,drained 30 min,baked
7-10 hours under 140±5℃.Using xylene solvent to regulate the viscosity.
This varnish should be sealed in cool & dry room temperature ,storage
duration is 3 months.This product exceeding storage durage also can
be used through qualified test. |
|