China Electrical Epoxy Resin manufacturer
Shanghai Wenyou Industry Co., Ltd.
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UV & Arc-Resistant Vibration-Resistant Epoxy Resin Potting Compound for Thermal Shock Stable Transformer Encapsulation

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Shanghai Wenyou Industry Co., Ltd.

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-57500369-841

Contact Person:
Ms.Hope View Contact Details

UV & Arc-Resistant Vibration-Resistant Epoxy Resin Potting Compound for Thermal Shock Stable Transformer Encapsulation

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Brand Name wenyou
Model Number 8224A
Certification ISO9001, ISO14001, SGS, and UL
Place of Origin China
Minimum Order Quantity 20kg/pail as sample
Price Negotiable
Payment Terms Normally 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 12~40.5kV insulators, current & voltage transformers, dry type transformers etc
Application Indoor medium & high voltage electrical products
Appearance of epoxy resin White viscous liquid
Viscosity at 40°C 16000 - 35000mPa.s
Density at 25°C 1.60 - 1.70g/cm3
Vapor Pressure at 25°C ＜ 0.01Pa
Flash point > 150°C
Discription Strong weather endurance Transformers Epoxy Resin outdoor CT VT raw material
Detailed Product Description
Protecting Sensitive CT/PT Coils | Vibration Resistant RT Cure Potting Compound
LW-8224A/B: Vibration-Resistant Epoxy for Outdoor CT/VT Transformers - 12-40.5kV Crack-Proof Encapsulation
Prefilled BPA Resin | Thermal Shock Stability | Room Temp Cure
Engineered for outdoor CT/VT transformers, this prefilled Bisphenol-A epoxy system delivers vibration-resistant potting for 12-40.5kV coils exposed to extreme weather. LW-8224A resin + LW-8224B anhydride hardener provide crack-resistant encapsulation protecting delicate windings from mechanical stress, temperature swings (-40°C to 155°C), and environmental degradation.
Critical Advantages
  • Vibration Damping: Shields sensitive CT/PT coils from operational stress
  • Outdoor Endurance: Superior UV/weather resistance for transformers
  • Crack Resistance: Withstands thermal cycling in low/high temperature conditions
  • Prefilled System: Ready-to-use precision formulation
  • Energy-Efficient: Room temperature cure eliminates oven dependency
Applications
Voltage ClassComponents
12-40.5kV SystemsCurrent/Voltage Transformers (CT/VT), Dry-Type Transformers
Medium/High VoltageBushings, Insulators, Switchgear
Processing Methods
MethodKey Benefit
Vacuum Gravity CastingBubble-free encapsulation for intricate coils
APG (Automated Pressure Gelation)High-volume production of vibration-resistant parts
Performance Properties
PropertySpecification
Dielectric Strength>20 kV/mm (ASTM D149)
Temp Range-40°C to +155°C operational
Crack ResistanceExcellent (1,500+ thermal cycles)
Vibration Damping60%+ stress reduction vs. standard epoxies
Cure ConditionsRoom temperature (24-72 hrs)
Color OptionsCustomizable (LC-Series paste)
Simplified Formulation
ComponentProductProportion
Epoxy ResinLW-8224A100 pbw
HardenerLW-8224B100 pbw
ColorantLC-Series*3 pbw
*Add for UV-stable pigmentation in outdoor applications
Technical Superiority for Demanding Environments
This electrical-grade potting compound combines prefilled precision with outdoor durability. Its optimized viscosity ensures complete gap filling for CT/VT windings, while room temperature curing slashes production costs. Validated for 12-40.5kV transformers, it delivers unmatched mechanical-electrical stability under thermal shock, vibration, and moisture exposure - ideal for dry-type transformers in renewable energy grids and substations.
Advantage
Package Image
Shipment Image
Example Application Image
Product Tags: UV resistant epoxy resin for transformers   arc-resistant outdoor electrical insulation epoxy   transformer epoxy resin with UV protection  
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