JHY-636 outdoor weather-resistant epoxy casting glue
JHY-636 outdoor weather-resistant epoxy casting glue has the advantages of good mechanical properties, low shrinkage, and resistance to cracking. It has excellent impact performance under the conditions of -50℃~100℃ and has good electrical properties. It is easy to operate and has strong process applicability. It is an ideal casting material for outdoor transformers.
Categories：
Material Chemistry
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Product introduction
Technical indicators
|
Type |
JHY-636 |
|
|
Component A |
Component B | |
|
Indicator name |
Index value |
|
|
Appearance |
Colorless/light yellow slightly turbid viscous liquid |
Colorless/light yellow transparent liquid, no impurities |
|
Acid value，mgKOH/g |
≥500 |
|
|
Anhydride content，% |
≥30.0 |
|
|
viscosity，mPa.s，25℃ |
≤300 |
|
|
Epoxy value |
0.43～0.48 |
|
|
Heating loss，%，110℃/2h |
≤1.0 |
≤1.0 |
|
Gel time，min，120℃ |
≤50 |
|
Reference performance
|
Indicator name |
Index value |
|
|
Mechanical behavior |
Tg（DSC） |
≥80℃ |
|
Impact strength |
≥12KJ/mm2 |
|
|
tensile strength |
≥70N/mm2 |
|
|
Bending strength |
≥120N/mm2 |
|
|
Curing shrinkage |
＜1% |
|
|
Electrical properties |
Electrical strength |
≥20KV/mm |
|
Volume resistance |
≥1×1013Ω﹒m |
|
|
Dielectric loss |
≤0.02 |
|
|
Thermal decomposition temperature |
＞300℃ |
|
Packaging and storage
20kg or 200kg
Materials should be stored in dry and ventilated conditions, with the ambient temperature below 40°C. Validity period is 6 months. If it exceeds the expiration date, it can only be used after passing the inspection and performance. The remaining materials must be stored in sealed conditions.
Precautions
When mixing, mix ingredients A and B evenly before adding fillers and other materials.
The mixing temperature is strictly controlled between 60 and 80°C, and the mixing time is about 1 hour.
External accelerators must be strictly controlled in quantity
Mixing, including use time, is strictly controlled within 4 hours to prevent the mixture from gelling
Operators who spill materials during use should immediately rinse them with tap water and seek medical attention promptly.
If the operator develops allergies while using the materials, please make adjustments in time.
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