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| Categories | Transformer Epoxy Resin |
|---|---|
| Brand Name: | wenyou |
| Model Number: | 8213 |
| Certification: | ISO9001, ISO14001, SGS, and UL |
| Place of Origin: | China |
| MOQ: | 20kg/pail as sample |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C |
| Supply Ability: | Plenty of raw material in stock |
| Delivery Time: | 7 -10 work days |
| Packaging Details: | 20kg/pail, 220kg/barrel, 1200kg/tank |
| Classification: | Double Components Adhesives |
| Usage: | Dry-type transformers, 10-66kV current transformers, voltage transformers, and other related products |
| Application: | Electrical insulators for medium and high voltage applications |
| Appearance of epoxy resin: | Transparent viscous liquid |
| Appearance of hardener: | Light yellow liquid |
| Viscosity at 25°C: | 3000 - 6000mPa.s |
| Density at 25°C: | 1.16 - 1.20g/cm3 |
| Vapor Pressure at 25°C: | ＜ 0.01Pa |
| Flash point: | around 135°C |
| Description: | Excellent transformer maker epoxy resin producer environment friendly chemicals |
| Company Info. |
| Shanghai Wenyou Industry Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
LE-8213 Epoxy Resin + LH-8213 Hardener
LE-8213/LH-8213 is a saturated cyclic aliphatic epoxy resin system engineered for high-voltage electrical insulation. Designed for sustainability and extreme reliability, this two-component system delivers exceptional thermal shock resistance (-40°C to +150°C), low curing shrinkage, and UV/weather stability. Ideal for encapsulating MV switchgears, dry-type transformers, and critical grid components.
| Property | Performance |
|---|---|
| Thermal Resilience | Withstands 1,000+ cycles (-40°C ↔ +150°C) |
| Electrical Safety | Dielectric strength >18 kV/mm • Partial discharge <5 pC |
| Environmental Resistance | UV stable • Moisture impermeable • Chemical inert |
| Processing Flexibility | Low viscosity • Zero filler pre-mix • Room-temp liquid |
| Mechanical Integrity | Compressive strength >120 MPa • CTE <45 ppm/K |
Dry-Type Transformers (10-66 kV)
MV Switchgears: CTs, PTs, bushings, circuit breakers
Outdoor Electrical Components
Renewable Energy Infrastructure
Vacuum Gravity Casting
Optimal for complex geometries
Eliminates air pockets in windings
Automatic Pressure Gelation (APG)
50% faster cycle times vs. conventional casting
Precision molding for high-volume production
Customizable to existing manufacturing workflows
| Component | Material | Ratio (pbw) |
|---|---|---|
| Epoxy Resin | LE-8213 | 100 |
| Hardener | LH-8213 (Weather-resistant anhydride) | 100 |
| Filler | Silica Powder | 300-380 |
| Colorant | LC Series Paste | As required |
| Category | Parameter | Value |
|---|---|---|
| Electrical | Volume Resistivity | >1×10<sup>15</sup> Ω·cm |
| Comparative Tracking Index | >600 V | |
| Thermal | Glass Transition Temp (T<sub>g</sub>) | >125°C |
| Thermal Conductivity | 0.7-1.1 W/m·K | |
| Mechanical | Flexural Strength | >95 MPa |
| Curing Shrinkage | <0.3% |
Eco-Compliant: Halogen-free • Low-VOC formulation
Zero Defects: Void-free encapsulation for PD resistance
Lifecycle Efficiency: 30+ year service life in substations
Cost-Reduction: Minimizes downtime & maintenance
Optimized for grid resilience – Trusted by global manufacturers for switchgear insulation, transformer coils, and renewable energy systems requiring uncompromising dielectric performance under thermal cycling stress.
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