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Help CenterCW - 200 Light Coating Epoxy Self - Levelling Casting Resin System For Indoor Equipment
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Certification:ISO9001,ISO14001,GB/T28001
CW - 200 Light Coating Epoxy Self - Levelling Casting Resin System For Indoor Equipment
Description:
CW-200 is used for casting electrically insulating parts for application in indoor equipment such as post-type insulators, supports, switchgear, bushing, current and voltage transformers
Major Character:
1. Processing Property: Easy to operate, Faster curing, Curing on normal temperature or Heating cure
2. Appearance: Light coating, self- Levelling, Bubble Free, High Adhesion, Good Flexibility.
3. Physical Property: Can endure transformer running for long time, steady performance, Can protect transformer core.Specifications:
|
Item |
Unit |
Test values |
|
Organ chlorine |
eq/100g< |
0.02 |
|
Inorganic Chlorine |
eq/100g< |
0.001 |
|
Fugitive Constituent |
% |
0.5 |
|
Epoxy Value |
eq/100g |
0.24-0.28 |
|
Co lour |
< |
3 |
|
Softening Point |
°C |
45-50 |
|
Ash |
% |
0.009 |
|
Density(25°C) |
g/cm3 |
1.10-1.20 |
|
Acid Value |
mgKOH/100g |
0 |
|
Viscosity(25°C) |
mPa.s |
300-500 |
|
Viscosity Increment (120°C×24h) |
% |
4 |
|
Gelatinizing Time(120°C) |
min |
102 |
Using Techniques:
1. Formula A: CW200 Epoxy Resin: Silica Filler: Mixed Anhydride Hardener
= 100:200:30
2. Formula B: CW200 Epoxy Resin: Alumina Filler: Methyl Tetrahydr Opthalic Anhydride = 100:350:36
3. Operate Techniques: Put the epoxy resins in vacuum reactor system first, heat to 130°C and melt it, put the pre-heated filler, vacuum degassing 5 mmHg for twenty minutes than release the vacuum, put the hardener than pouring-in the moulds, after that put in the heater on 130°C to cure.
4. Curing Condition: 130°C curing for 24 Hours to de-mould.
The Properties of cured:
Formula A (Silica Formula) the curing technics with the mechanical and electrical properties of cured.
|
Item |
Unit |
Test values |
|
Operating Time(140°C) |
min |
112 |
|
Bending Strength |
MPa |
143 |
|
Impacting Strength |
kJ/m2 |
13.5 |
|
Heat Distortion Temperature |
°C |
104 |
|
Arc Resistance |
s |
182 |
|
Comparative Tracking Index Mark |
V |
600 |
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