Purchase, please contact Mr. Wang: 13771380144
The main components of the 5217A/B Epoxy Resin System
|
 |
I. Introduction:
5217A / B Department of green environment-friendly epoxy resin and acid anhydride curing agent, impregnation, the excellent electrical performance; curing contraction of the small, fire-retardant and meet the UL94 V-0 (6mm) class, the process of curing exothermic peak low, casting products high reliability.
Second, conventional performance:
Test items
|
Testing methods or conditions
|
5217A
|
5217B
|
Appearance
|
Visual
|
Red viscous liquid
|
Light yellow transparent liquid
|
Density
|
25℃ g/cm3
|
1.85~2.17
|
1.18~1.21
|
Viscosity
|
40℃ mPa·s
|
15000~30000
|
16~23
|
(A+B)Viscosity
|
≤1550
|
Retention period
|
Room ventilation
|
Six months
|
Six months
|
Third, the use of technology:
Item
|
Unit or the conditions of
|
5217A/5217B
|
Mixing ratio
|
Mixing ratio
|
100:18
|
Pot life
|
40℃,35g,h
|
≥3.5
|
Curing conditions
|
℃/h
|
75/2.5+75~110/0.5+110/2.5
|
Fourth, use:
Applied to the potting of electronic components as Rotor.
Fifth, after the curing characteristics:
Item |
Unit or the conditions of
|
5217A/5217B
|
Hardness |
25℃,Shore-D
|
>87
|
Volume resistivity |
25℃,Ω·cm
|
≥5.8×1015
|
Surface Resistivity |
25℃,Ω
|
≥1.8×1014
|
Dielectric Strength |
25℃,kV/mm
|
≥25
|
Linear expansion coefficient |
1/℃×10-5
|
≤5. 5
|
Tensile strength |
Mpa
|
≥40
|
Elongation at break |
%
|
≥1.3
|
Permittivity |
25℃,1MHZ
|
3.8±0.1
|
Dielectric Loss Tangent |
25℃,1MHZ
|
<0.008
|
Impact strength |
kJ/cm2
|
>2.5
|
Flame retardant |
UL 94(6mm)
|
V-0
|
Tg values |
℃
|
≥100
|
Sixth, storage, transportation and Cautions:
1. Such products of non-dangerous goods, as a general storage and transportation of chemicals, product packaging, see barrels of storage period.
2. Please see the product model, and then pigeon-holing; accurate weighing, please give full uniform mixing.
Seven, packaging specifications:
A packaging material for the 30kg; B packaging material for the 10kg
Note: The above performance data for the product in 70% humidity, the temperature at 25 ℃ typical testing data for customers reference and can not guarantee that in a particular environment can be achieved when all the data. When your customers use to the measured data.