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| Categories | Casting Epoxy Resin |
|---|---|
| Brand Name: | wenyou |
| Model Number: | 8516L |
| Certification: | ISO9001, ISO14001, SGS, and UL |
| Place of Origin: | China |
| MOQ: | 20kg/pail as sample |
| Price: | Negotiable |
| Payment Terms: | Normally L/C,T/T |
| Supply Ability: | Plenty of raw material in stock |
| Delivery Time: | 7 -10 work days |
| Packaging Details: | 20kg/pail, 220kg/barrel, 1200kg/tank |
| Classification: | Two-component saturated cyclic epoxy resin |
| Usage: | Sealing and connecting insulation |
| Application: | Low-voltage electrical applications, electronics, cable insulation, bonding, sealing, etc. |
| Appearance of epoxy resin: | Light yellow transparent viscous liquid |
| Appearance of hardener: | Light yellow to slightly yellow liquid |
| Viscosity at 25°C: | 1000 - 3000mPa.s |
| Density at 25°C: | 1.15 - 1.19g/cm3 |
| Vapor Pressure at 25°C: | ＜ 0.01Pa |
| Flash point: | Around 110°C |
| Description: | Best service epoxy resin supply chain electrical insulating epoxy resin |
| Company Info. |
| Shanghai Wenyou Industry Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Cycloaliphatic Resin + Anhydride Hardener for Precision CT/PT Encapsulation
LE-8516L epoxy resin and LH-8516L hardener deliver ultra-low viscosity (<500cPs mixed) for flawless void-free encapsulation of MV current/voltage transformers. Engineered to penetrate micron-scale gaps in densely wound coils, this system ensures partial discharge <5pC and compliance with IEEE C57.13 accuracy standards.
| Property | Performance |
|---|---|
| Void Elimination | <0.1% microvoids • Prevents electrical treeing |
| Electrical Integrity | Volume resistivity >1E15 Ω·cm • DF <0.01 @50Hz |
| Thermal Management | Conductivity >0.5 W/mK • Tg >110°C |
| Process Efficiency | 5X deeper penetration vs standard epoxies |
Instrument Transformers: CTs/PTs (15-36kV)
MV Switchgear Components
High-Voltage Insulators & Bushings
Precision Electronics Encapsulation
| Method | Key Benefit |
|---|---|
| Vacuum Gravity Casting | Bubble-free impregnation of cellulose barriers |
| Automated Potting Systems | Consistent results for high-volume production |
| Compatible with existing manufacturing setups |
| Component | Material | Ratio (pbw) |
|---|---|---|
| Epoxy Resin | LE-8516L (Cycloaliphatic) | 100 |
| Hardener | LH-8516L (Anhydride) | 100 |
| Filler | Silica Powder | 250-350 |
| Accelerator | LZ-622 | 2-4 |
| Colorant | LC Series Paste | As needed |
| Parameter | Value | Standard |
|---|---|---|
| Mixed Viscosity | 450-480 cPs | ASTM D2196 |
| Partial Discharge | <3 pC @ 1.5Ur | IEC 60270 |
| Flexural Strength | 105 MPa | ISO 178 |
| Thermal Shock | Passes 500 cycles (-40°C↔125°C) | IEC 60068-2-14 |
Precision Reliability: Maintains 0.2% metering accuracy in CTs/PTs
Short-Circuit Resilience: Withstands 50kA/3s mechanical stress
UV/Environment Proof: Cycloaliphatic chemistry resists yellowing
Faster Processing: Accelerator reduces gel time by 35%
The Gold Standard for HV Instrument Transformers – Trusted by global manufacturers for mission-critical grid components where dielectric perfection and long-term stability are non-negotiable.
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