|
Ⅰ.
Component
A: Epoxy
Resin , Filler, Additive
B: Acid
Anhydride, Accelerator |
  |
Ⅱ.
Characteristics
a)
Excellent workability
b)
Excellent penetrating
c)
The exothermic peak is relatively low, high reliability
of encapsulated products
d)
Flame resistance (UL-94, V-0)
e)
Excellent electronic properties
f)
Environmental-friendly
Ⅲ.
USE
Casting for Flyback
Transformer and other electronic parts
Ⅳ.
Packing
A: 33kg
B: 22kg
、220kg
Ⅴ.
Transportation
This product does
not belong to dangerous article . It can be transported in the
way as common chemical do .
Ⅵ.
Storage
a)
Completely packed, preferably between 15℃
and 25℃
b)
Free from direct sunlight
c)
Free from humidity
d)
Free from fire
Ⅶ.Product
property
|
|
Standard
data |
Testing
standard |
|
Before cure |
|
Appearance |
|
|
Visual
estimation |
|
B |
Light yellow
liquid |
|
Viscosity
（40℃，mPa
·s） |
A |
（1.0~1.5）×104 |
GB-3/T2794 |
|
B |
15~23 |
|
A+B |
≤
550 |
|
Specific
gravity
（25℃，g/ml） |
A |
1.70~1.75 |
GB-3/T4472 |
|
B |
1.18~1.21 |
|
A+B |
1.58~1.63 |
|
Mixing
ratio(WT%) |
A：B=100：30 |
/ |
|
Pot life(40℃，h) |
>3.5 |
/ |
|
Gel time（80℃，min） |
100~120 |
|
|
|
|
Hardness（25℃，D） |
>87 |
|
|
Glass
transition（℃） |
108-120 |
DSC |
|
Flexural
strength（25℃，N/MM2） |
>74 |
/ |
|
Impact
strength（KJ/cm2） |
>2.5 |
GB-3/T1043 |
|
Coefficient
of liner thermal expansion（℃-1）(below
Tg) |
<5.0×10-5 |
GB-3/1036-70 |
|
Thermal
conductivity（25℃，W/Mk） |
>0.48 |
GB-33399-82 |
|
Volume
resistivity（25℃，Ω·cm） |
>3.9×1015 |
GB-3/T1410 |
|
Surface
resistivity（25℃，Ω） |
>5.8×1014 |
|
Dielectric
constant（25℃，10KHz） |
3.8±0.1 |
GB-3/T1409 |
|
Dissipation
factor（25℃，10KHz） |
<0.008 |
|
Water
absorption（23℃，24h,
%） |
<0.15 |
GB-3/T1304 |
|
Breakdown
voltage（25℃，KV/mm） |
>25 |
GB-3/T1048 |
|
Flammability
(UL-94, 6mm ) |
V-0 |
GB-3/T4069 |
Ⅷ.
Potting Condition
|
|
|
Temperature（℃） |
Vacuum
（τ） |
Time
（h） |
|
A
|
65±5 |
<2 |
4~12 |
|
B
|
35±5 |
<2 |
4~12 |
|
Potting
|
Coil
preheating |
Temperature
（℃） |
105±5 |
|
Time
（h） |
>1.5 |
|
Mixing
temperature（℃） |
40~45 |
|
Prevacuum
pressure |
Vacuum
（τ） |
<2 |
|
Potting |
Vacuum（τ） |
<5 |
|
|
Vacuum
（τ） |
<5 |
|
Time
（s） |
>20 |
|
Curing
|
75℃/2.5h+75~110℃/0.5h+110℃/2.5h |
Ⅸ.
Cautions
1. Cautions in use
a)
Part A should be agitated before use to disperse
sufficiently the settled filler.
b)
Part B may be crystallized when it is stored at low
temperature, in this case, heat it to 40-50℃
until it is completely dissolved.
c)
Weigh both A and B respectively, into specified amounts
and mix them uniformly.
2. Cautions in handling
a)
Work place should provide a ventilator for performing
sufficient ventilation
b)
Protective garments, gloves, goggles are necessary to
workers to avoid direct contact of the materials.
c)
In the event of the agent contacting the skin wash it off
immediately with warm water and alkali-free soap. Medical
treatment is needed if skin is seriously imitated.
d)
Avoid breathing vapors, which can cause respiratory
damage.
3.Cautions in Storage
a)
Store it at the cool and dark place (preferably between
15℃
and 25℃)
b)
Seal the products to avoid mixing of water into the
products.
c)
Keep to the first-in first-out
d)
Once the container is opened, the material should be used
as fast as possible, to prevent properties from deterioration by
foreign substance and moisture absorption
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