Orgin��epoxy-cn.com | Write��Admin | View��| AddDate��2010-6-24
Purchase, please contact Mr. Wang:
13771380144
The main components of the 5217A/B Epoxy Resin System
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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�棬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�棬Shore-D |
>87 |
Volume resistivity |
25�棬Ω·cm |
≥5.8×1015 |
Surface Resistivity |
25�棬Ω |
≥1.8×1014 |
Dielectric Strength |
25�棬kV/mm |
≥25 |
Linear expansion coefficient |
1/��×10-5 |
≤5. 5 |
Tensile strength |
Mpa |
≥40 |
Elongation at break |
% |
≥1.3 |
Permittivity |
25�棬1MHZ |
3.8±0��1 |
Dielectric Loss Tangent |
25�棬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.
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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.