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UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils

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UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils

Brand Name : wenyou

Model Number : 8218A

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 : insulation products, connectors, etc.

Application : Various products cured at room temperature

Appearance of epoxy resin : Red viscous liquid

Viscosity at 40°C : 20000 - 40000mPa.s

Density at 25°C : 1.55 - 1.70g/cm3

Vapor Pressure at 25°C : ＜ 0.01Pa

Flash point : around 135°C

Discription : Electronic connectors crystal clear epoxy resin hand pouring curing agent

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LW-8128A/LH-8116: UL 94 V-0 Crystal Clear Epoxy Potting Resin for Electronic Connectors | Hand-Pour Application

Product Overview

LW-8128A/LH-8116 is a premium two-component, crystal clear epoxy potting system engineered for hand-pour encapsulation of sensitive electronics. Featuring UL 94 V-0 flame resistance, modified PBA epoxy resin (LW-8128A), and a modified amine hardener (LH-8116), this system delivers exceptional clarity, electrical insulation, and fire safety for electronic connectors, sensors, and micro-transformers. With room-temperature curing and vacuum-compatible processing, it ensures bubble-free protection against moisture, chemicals, and thermal stress.

Key Features & Benefits

Property Specification Benefit
Flame Resistance UL 94 V-0 Certified Prevents fire propagation in electrical failures.
Clarity Crystal Clear (Custom Color Options) Aesthetic transparency for visual inspection of components.
Curing Room-Temperature Cure Energy-efficient processing; no ovens required.
Processing Hand-Pour or Vacuum Casting Flexible for low-volume batches or precision vacuum impregnation.
Electrical Safety High Dielectric Strength Reliable insulation for connectors operating under electrical stress.
Compatibility Pre-Mixed Fillers & Color Paste Uniform consistency; reduces mixing errors.

Applications

Ideal for encapsulating:

  • Electronic connectors (signal, power, PCB headers)

  • Miniature transformers and inductors

  • Sensor modules and LED arrays

  • Insulation bobbins and coil terminals

  • Wearable electronics and IoT devices

Technical Specifications

Parameter Value
Epoxy Resin LW-8128A (100 pbw)
Curing Agent LH-8116 (20–25 pbw)
Color Paste LC Series (1 pbw, optional)
Viscosity Paste Consistency (25°C)
Pot Life 40–60 minutes (25°C)
Cure Time 24–48 hours (25°C)
Hardness (Shore D) ≥85
Certification UL 94 V-0 Flame Rating

Processing Guide

  1. Mixing: Blend LW-8128A resin and LH-8116 hardener at 100:22.5 pbw (default ratio). Add LC-series color paste if required.

  2. Degassing: Vacuum degas mixture (recommended for bubble-free clarity).

  3. Pouring: Hand-pour or gravity-cast over components.

  4. Curing: Cure 24h at 25°C (accelerated curing at 60°C optional).

Why Choose This System?

  • Flame Safety: Meets stringent UL 94 V-0 standards for electronics in high-risk environments.

  • Ease of Use: Paste consistency simplifies manual application without sagging.

  • Optical Clarity: Maintains component visibility for QC inspections.

  • Adaptable: Integrates with existing hand-pour or vacuum production lines.


UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils


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UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils

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UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils


Example application image


UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils



Wholesale UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils from china suppliers

UL 94 V-0 Fire-Resistant Epoxy Potting Resin for Electrical Transformers & Coils Images

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