Name: Outdoor Epoxy Resin UV-Resistant APG / Vacuum Casting High-Voltage Insulation
Brand: Shanghai Wenyou Industry Co., Ltd.
SKU: LE-184/LH-8504
Price: 2.50 USD
Availability: InStock

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Outdoor Epoxy Resin UV-Resistant APG / Vacuum Casting High-Voltage Insulation

UV-Resistant Outdoor Epoxy Resin

High-Voltage Insulation Outdoor Epoxy Resin

Vacuum Casting Outdoor Epoxy Resin

Place of Origin:

CHINA

Brand Name:

WENYOU

Certification:

ISO/REACH/RoHS/SGS/UL

Model Number:

LE-184/LH-8504

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Outdoor Epoxy Resin UV-Resistant APG / Vacuum Casting High-Voltage Insulation

Product Details

Process:

APG & Vacuum Casting

Impact Strength:

10-18kJ/ M2

Temperature Resistance:

High

Apply:

High Voltage Transformer

Application:

Electrical Insulation

Payment & Shipping Terms

Minimum Order Quantity

20kg/pail as sample

Price

Negotiable

Packaging Details

20kg/pail, 220kg/barrel, 1200kg/tank

Delivery Time

7 -10 work days

Payment Terms

L/C,T/T,Western Union,MoneyGram

Supply Ability

Plenty of raw material in stock

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Elliot.yang@sh-wysy.com

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Product Description

Outdoor Epoxy Resin | UV-Resistant | APG/Vacuum Casting | High-Voltage Insulation

Product Specifications

Attribute	Value
Process	APG & Vacuum Casting
Impact Strength	10-18kJ/ M2
Temperature Resistance	High
Apply	high voltage transformer
Application	Electrical Insulation

Product Description

The LE-184/LH-8504 epoxy system is a weather-resistant, multi-component formulation engineered for outdoor high-voltage electrical insulation. Featuring modified BPA epoxy (LE-184), anhydride hardener (LH-8504), flexibilizer (LF-660), and accelerator (LZ-622), it delivers exceptional UV/erosion resistance, thermal shock stability, and superior dielectric performance. Ideal for APG or vacuum casting processes in harsh environments.

Key Features & Advantages

Feature	Advantage
UV & Weather Resistance	Withstands outdoor exposure, prevents erosion & yellowing
Flexibilizer LF-660 (0-20 pbw)	Enhances crack resistance under thermal cycling
Accelerator LZ-622 (0-0.4 pbw)	Speeds curing for high-volume production
APG & Vacuum Casting Compatible	Adapts to existing manufacturing setups
High Dielectric Strength	25-35 kV/mm (IEC 60243-1) for outdoor insulators
Low Water Absorption	0.10-0.20% (23°C/10d) ensures long-term integrity
Solvent-Free	Eco-friendly, low-VOC processing

Applications

Built for outdoor electrical components:

HV bushings, insulators & surge arresters
Transformer encapsulation
Outdoor switchgear (12-40.5 kV)
Solar/Wind energy infrastructure
Railway electrification components

Key Performance Data

Cured system: LE-184/LH-8504/Silica=100:90:350 | Cure: 140°C×2h + 130°C×10h

Mechanical & Thermal Properties

Property	Value	Standard
Tensile Strength	60-85 MPa	ISO 527
Flexural Strength	100-140 MPa	ISO 178
Impact Strength	8-16 kJ/m²	ISO 179
Glass Transition (Tg)	65-105°C	ISO 11357-2
Thermal Conductivity	0.7-0.9 W/m*K	ISO 8894-1
Decomposition Temp	>320°C	ASTM E2402

Electrical & Safety Properties

Property	Value	Standard
Breakdown Strength (3mm)	25-30 kV/mm	IEC 60243-1
HV Arc Resistance	185-195 sec	IEC 61621
Tracking Resistance	CTI>600 (Solution A/B)	IEC 60112
Electrolytic Corrosion	Grade A-1	IEC 60426
Flammability	HB Rating	UL94

Frequently Asked Questions (FAQ)

Q1: What's the role of LF-660 and LZ-622?

A: LF-660 (0-20 pbw) improves flexibility & crack resistance. LZ-622 (0-0.4 pbw) accelerates curing - critical for APG production.

Q2: How should I store components?

A: Store in sealed containers at 18-25°C. Shelf life: 24 months. Avoid moisture - hardener is humidity-sensitive.

Q3: What processing methods are supported?

A: Optimized for:
APG: Mold temp 130-150°C | Gel time 10-50 min
Vacuum Casting: Cure 80-100°C | Gel time 3-6h
Post-cure: 130-140°C×6-10h for all methods

Q4: How is filler pre-treated for HV applications?

A: Silica filler must be pre-dried (moisture ≤0.2%). Use thin-film degassing mixers for consistent dispersion.

Q5: Is this system suitable for coastal environments?

A: Yes! UV resistance + low water absorption (0.10-0.20%) prevents salt corrosion & tracking.

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