Description of YE-8111/YH-8111
A two-component epoxy resin system, liquid at room temperature, suitable for both the APG (Atmospheric Pressure Gelation) injection process and vacuum casting process. It features low curing shrinkage, excellent dimensional stability of molded parts, superior processing performance, and outstanding electrical properties.
Specification
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YE-8111 Resin is a modified BPA epoxy resin |
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Items |
Unit |
Standard |
|
Appearance |
Visual |
Transparent viscous liquid |
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Epoxy value |
Eq/kg |
4.8-5.2 |
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Viscosity (25℃) |
mPa.s |
3000-6000 |
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Density (25℃) |
g/cm³ |
1.15-1.20 |
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Vapor pressure(25℃) |
Pa |
＜0.01 |
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Flashing point |
℃ |
Approx.135 |
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YH-8111 Curing Agent is a liquid modified carboxylic anhydride curing agent |
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Items |
Unit |
Standard |
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Appearance |
Visual |
Pale yellow or slight yellow liquid |
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Viscosity (25℃) |
mPa.s |
500-800 |
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Density (25℃) |
g/cm³ |
1.17-1.24 |
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Vapor pressure(25℃) |
Pa |
Approx.0.5 |
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Flashing point |
℃ |
Approx.140 |
Application
Medium and high voltage electrical transformers, such as: 10-35kv current and voltage transformers and other related transformers.
Gel time
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Temperature |
Gel Time |
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At 120 ℃ |
20-30mins |
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At 140 ℃ |
10-15mins |
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At 160 ℃ |
5-8mins |
Physical & Mechanical Properties
Test mode:
Mix. Ratio: YE-8111 Resin/YH-8111 curing agent/filter: 100/100/350
Curing conditions: 80℃*2hours+140℃*8hours
Ps.: The properties listed below are tested in accordance with national standards and are provided for customer reference only. Actual characteristics must be verified based on end-user's operational conditions.
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Properties |
Typical Value |
Properties |
Typical Value |
|
Tg(DSC) |
70-80℃ |
Thermal conductivity |
0.8-0.9W/mk |
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Tensile strength |
60-85N/mm² |
Thermal decomposition temperature |
＞320℃ |
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Flexural strength |
100-130N/mm² |
Water absorption |
0.10-0.20%by wt. |
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Compressive strength |
140-180N/mm² |
Water absorption |
0.08-0.15%by wt. |
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Impact strength |
8-14kJ/m² |
Surface resistivity |
10⁴Q |
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Curing shrinkage |
0.7-0.9% |
Volume resistivity |
10"Q.cm |
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Flammability(4mm) |
HB degree |
Dielectric strength |
30kv/mm |
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Flammability(12mm) |
V1 degree |
Dielectric loss |
0.02 |
FAQ
Q: 1. When can I get the quotation?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please tell us so that we will regard your inquiry priority.
Q: 2. How can I get a sample to check your quality?
A: After price confirmation, you can require for samples to check our quality.
Q: 3.How long can I expect to get the sample?
A: After you pay the sample charge and send us confirmed files, the samples will be ready
for delivery in 1-3 days. The samples will be sent to you via express and arrive in 5-7 days.
Q: 4.What about the lead time for mass production?
A: 15-20 working days for mass production.It depends on your quantity,and we will try our best to meet your needs.
Q: 5.What is your terms of delivery?
A: EXW, FOB, CIF, etc.
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