Description of YE-7001/YH-7001
Dual-system transformer epoxy hardener, liquid at RT, optimized for vacuum casting. Features minimal curing shrinkage, exceptional molded-part stability, user-friendly processing, and robust electrical characteristics.
Specification
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A component：YE-7001 Resin is a modified BPA epoxy resin |
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|
Items |
Unit |
Standard |
|
Appearance |
Visual |
Red viscous liquid |
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Viscosity (40℃) |
mPa.s |
4000-8000 |
|
Density (25℃) |
g/cm³ |
1.6-2.1 |
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Vapor pressure(25℃) |
Pa |
＜0.01 |
|
Flashing point |
℃ |
Approx.135 |
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B component：YH-7001 Curing Agent is a liquid modified carboxylic anhydride curing agent |
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Items |
Unit |
Standard |
|
Appearance |
Visual |
Pale yellow viscous liquid |
|
Viscosity (40℃) |
mPa.s |
2000-4000 |
|
Density (25℃) |
g/cm³ |
1.6-2.1 |
|
Vapor pressure(25℃) |
Pa |
Approx.0.5 |
|
Flashing point |
℃ |
Approx.140 |
Application
Dry-type transformers, dry-type reactors, special transformers, etc.
Gel time
|
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-7001 Resin/YH-7001 curing agent: 100/100
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.
|
Properties |
Typical value |
Properties |
Typical value |
|
Tg(DSC) |
70-80℃ |
Thermal conductivity |
0.8-0.9W/mk |
|
Tensile strength |
60-85N/mm² |
Thermal decomposition temperature |
＞320℃ |
|
Flexural strength |
100-130N/mm² |
Water absorption(23℃*10days) |
0.10-0.20%by wt. |
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Compressive strength |
140-180N/mm² |
Water absorption(100℃*60mins) |
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 |
|
Flammability(12mm) |
V1 degree |
Dielectric loss |
0.02 |
Storage
Components must be stored dry in sealed containers (6–35°C). Shelf life: 2 years (labeled). Post-expiry reuse requires retesting. Secure containers after partial withdrawal.
Packing
Epoxy resin 20kg/pail or 220kg/pail
Curing agent 20kg/pail or 220kg/pail
FAQ
Q: Are you trading company or manufacturer?
A: We are professional manufacturer specialized in chemical products. And we trade our products with our clients directly.
Q: How many packaging do you have?
A: We have 3 packages including HDPE bag, Jamboo bag, iron barrel currently.
Q:When can I get the price?
A: Usually we quot within 8 hours after we get your inquiry.
Q: What's your MOQ?
A: If we have the products in stock, it will be no MOQ. If we need to produce, we can discuss the MOQ according to customer's exact situation.
Q: Do you provide sample ? Is it free?
A: If the sample is low value, we will provide the free sample with freight collect. But for some high value samples, we need to collect the sample charge.
Q: Do you have the test and audit service?
A: Yes, we can assist to get the designated test report for product and the designated factory audit report.
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