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Fast Room Temp Cure Epoxy Resin for CT / PT Transformer Potting & Encapsulation

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Fast Room Temp Cure Epoxy Resin for CT / PT Transformer Potting & Encapsulation

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Brand Name : wenyou

Model Number : 8216

Certification : ISO9001, ISO14001, SGS, and UL

Place of Origin : China

MOQ : 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 : insulators, transformers, and other insulation products

Application : Electrical insulators for medium and high voltage applications

Appearance of epoxy resin : Light yellow transparent viscous liquid

Viscosity at 25°C : 9500 - 15500mPa.s

Density at 25°C : 1.16 - 1.20g/cm3

Vapor Pressure at 25°C : < 0.01Pa

Flash point : around 145°C

Discription : UL certified epoxy resin supplier flame retardant material indoor outdoor application

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LE-8216/LH-8216: UL-Certified Room Temperature Cure Epoxy for CT/PT Potting & Encapsulation

Flame-Retardant | UV/Weather-Resistant | High Dielectric Strength

Engineered for transformer encapsulation in Current Transformers (CT) and Potential Transformers (PT), LE-8216/LH-8216 delivers fast room temperature curing, eliminating energy-intensive ovens. This UL-certified, flame-retardant epoxy system combines a modified cyclic aliphatic epoxy resin (LE-8216) and weather-resistant anhydride hardener (LH-8216) for superior electrical insulation, moisture resistance, and vibration damping in demanding indoor/outdoor environments.

Key Features & Benefits

  • Fast Ambient Cure: Saves energy with rapid curing at room temperature.

  • Robust Protection: Shields CT/PT units from thermal shock, contaminants, and mechanical stress.

  • Superior Insulation: High dielectric strength (>18 kV/mm) for high-voltage applications.

  • Flame Retardant: UL 94 V-0 certified for safety-critical installations.

  • Weatherproof: Exceptional UV/environmental resilience for outdoor use.

  • Low-Viscosity Formulation: Penetrates intricate coils for void-free gap filling.


Applications

Ideal for:

  • Transformer potting & encapsulation (CT/PT units)

  • Medium/high-voltage insulators, bushings, and switchgear

  • Electrical components requiring moisture-resistant protection

  • Flame-retardant insulation in power infrastructure


Processing Methods

Method Description
Vacuum Gravity Casting Traditional method for bubble-free transformer encapsulation under vacuum.
Automatic Pressure Gelation (APG) High-efficiency process for mass production of CT PT epoxy components.

Material Properties

Property Value/Description
Curing Temperature Room temperature (20-25°C)
Dielectric Strength >18 kV/mm
Thermal Shock Resistance Excellent (ASTM D2519)
Viscosity Low (optimized for deep gap filling)
Flame Rating UL 94 V-0 certified
Color Options Customizable via LC-series paste

Formulation Guide

Component Product Proportion (pbw)
Epoxy Resin LE-8216 100
Hardener LH-8216 100
Filler Silica Powder 280-350
Colorant LC-Series* 3
*Add LC-series paste for UV-stable pigmentation.

Why Choose LE-8216/LH-8216?

This electrical-grade epoxy system excels as a potting compound for transformer manufacturing, offering unmatched electrical component protection. Its saturated cyclic aliphatic structure ensures long-term stability under thermal cycling, while silica-filled reinforcement enhances mechanical strength and dielectric performance. Compatible with vacuum casting and APG processes, it integrates seamlessly into existing production lines—ideal for creating reliable, flame-retardant CT/PT encapsulation with minimal energy input.


Keywords: Room temperature cure epoxy, CT PT epoxy, transformer potting, transformer encapsulation, electrical insulation epoxy, potting compound, flame retardant epoxy, UL certified epoxy, dielectric strength, vibration damping, moisture resistant, gap filling, electrical component protection, fast cure epoxy, low viscosity epoxy, thermal shock resistance, UV resistance, Automatic Pressure Gelation, vacuum casting.


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Fast Room Temp Cure Epoxy Resin for CT / PT Transformer Potting & Encapsulation


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Fast Room Temp Cure Epoxy Resin for CT / PT Transformer Potting & Encapsulation

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Fast Room Temp Cure Epoxy Resin for CT / PT Transformer Potting & Encapsulation


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Fast Room Temp Cure Epoxy Resin for CT / PT Transformer Potting & Encapsulation



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