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High-Temperature Resistant APG Epoxy Resin (Tg >100°C) for Electrical Parts

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High-Temperature Resistant APG Epoxy Resin (Tg >100°C) for Electrical Parts

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Brand Name :	WENYOU
Model Number :	LE-8516 & LH-8516
Certification :	CE/RoHS/UL/REACH/ISO
Price :	Pricing based on different products
Payment Terms :	L/C,T/T,Western Union,MoneyGram
Supply Ability :	12000 tons per month
Delivery Time :	10 working days

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High-Temperature Resistant APG Epoxy Resin (Tg >100°C) for Electrical Parts

Epoxy Resin & Hardener – High-Performance Industrial Coating System

Product Specifications

Attribute	Value
Flexibility	High
Solvent Resistance	High
Usage	Electric insulation
Cure Temperature	130-140℃
Moisture Resistance	High
Heat Resistance	High

Product Description

Epoxy Resin LE-8516 and Hardener LH-8516 form a modified, weather-resistant anhydride-cured system designed for demanding industrial applications. With a 1:1 mixing ratio by weight, this combination delivers exceptional mechanical strength, thermal stability, and electrical insulation—ideal for coatings, encapsulation, and structural composites.

Key Features & Benefits

Optimized Viscosity Pairing - LE-8516 (500-1000 mPa.s) + LH-8516 (200-500 mPa.s) ensures easy mixing and filler wetting.
High Thermal Resistance - Glass transition (Tg) 60-80°C; thermal decomposition >320°C.
Low Shrinkage (0.8-1.0%) - Minimizes stress in precision components.
Superior Dielectric Properties - Volume resistivity: 10¹⁵ Ω*cm; dielectric strength: 20-30 kV/mm.
Weather & Chemical Resistance - Anhydride hardener enhances UV/acid durability.

Technical Comparison: LE-8516 Resin vs. LH-8516 Hardener

Epoxy Resin LE-8516	Hardener LH-8516
Appearance: Transparent, pale yellow, viscous liquid	Appearance: Transparent, pale yellow liquid
Epoxy Value: 4.5-5.0 Eq/kg	Viscosity at 25°C: 200-500 mPa.s
Viscosity at 25°C: 500-1000 mPa.s	Density at 25°C: 1.16-1.20 g/cm³
Density at 25°C: 1.17-1.24 g/cm³	Flash Point: ~135°C
Flash Point: ~140°C	Vapor Pressure at 25°C: <0.01 Pa
Vapor Pressure at 25°C: ~0.5 Pa

Frequently Asked Questions

Q1: Why is the hardener's viscosity lower than the resin's?

A: LH-8516's lower viscosity (200-500 mPa.s) improves filler (e.g., silica flour) dispersion and reduces air entrapment during mixing.

Q2: Can I adjust the filler loading beyond 350 pbw?

A: Exceeding 350 pbw may compromise mechanical properties. Conduct trials for your specific application.

Q3: Is post-curing mandatory?

A: Yes. Post-cure (130-140°C * 6-10 hrs) ensures full crosslinking and optimal thermal/electrical performance.

Q4: How does this system compare to amine-cured epoxies?

A: Anhydride curing offers lower exotherm, reduced shrinkage, and better UV resistance vs. amines.

Q5: What safety precautions are required?

A: Use PPE (gloves, goggles); ensure ventilation (vapor pressure: resin 0.5 Pa, hardener <0.01 Pa)

High-Temperature Resistant APG Epoxy Resin (Tg >100°C) for Electrical Parts

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