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Thermal Management

INSULCAST 116 FR – Two-component epoxy for potting, casting, and electrical applications with flame resistance

Item Name: INSULCAST 116 FR
Manufacturer: ITW Performance Polymers
Technologies: Two-component ambient temperature curing epoxy
Color: Part A – Black, Part B – Cream
Cure Type: Ambient temperature
Package Size: Contact to Techniq VN for details.
Shelf Life: 12 months

1. Product Overview

INSULCAST 116 FR-FC is a room-temperature-curing, 1:1 mix-ratio epoxy potting and casting compound designed for production environments. It offers UL94 V-0 flame resistance, low toxicity, and safe handling characteristics. The formulation provides reliable mechanical, thermal, and electrical insulation performance for components requiring flame retardancy and stable curing at ambient conditions.


2. Applications

  • Potting and casting of electrical and electronic components

  • Encapsulation requiring flame-retardant UL94 V-0 performance

  • Production-line mixing and automated dispensing

  • Applications needing balanced mechanical strength, thermal stability, and dielectric protection

3. Typical Properties

Uncured Properties

Property Part A Part B Method
Colour Black Cream Visual
Viscosity (cPs) 7,200 11,000 ASTM D2393
Specific Gravity 1.50 1.50
Pot Life (100 g), min 30–45
Gel Time (25°C), hrs 1–2
Mixed Viscosity, cPs 9,800
Shelf Life (25°C), months 12

Cured Properties

Category Property Value Method
Physical Hardness (Shore D) 75 ASTM D2240
Compressive Strength 11,500 psi / 79.3 MPa ASTM D695
Tensile Strength 9,500 psi / 65.5 MPa ASTM D638
Flexural Strength 10,000 psi / 69 MPa ASTM D790
Tensile Elongation 5–7% ASTM D638
CTE 30×10⁻⁶ m/mK
Thermal Conductivity 0.65 W/mK
Flammability UL94 V-0 Pass
HDT 80°C
Service Temperature –40 to 105°C
Electrical Dielectric Strength 420 V/mil ASTM D149
Dielectric Constant (1 kHz) 4.4 ASTM D150
Dissipation Factor (1 kHz) 0.02 ASTM D150
Volume Resistivity 1×10¹⁴ ohm-cm ASTM D257

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