Name: Crack Resistant High Dielectric Strength Room Temperature Cure Epoxy Casting Resin for Electrical Insulation
Brand: Shanghai Wenyou Industry Co., Ltd.
SKU: 9229A
Price: 2.30 USD
Availability: InStock

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Crack Resistant High Dielectric Strength Room Temperature Cure Epoxy Casting Resin for Electrical Insulation

crack resistant epoxy casting resin

high dielectric strength epoxy resin

electrical insulation epoxy resin

Place of Origin:

China

Brand Name:

wenyou

Certification:

ISO9001, ISO14001, SGS, and UL

Model Number:

9229A

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Product Details

Vapor Pressure:

< 0.01Pa At 25°C

Viscosity:

10000 - 20000mPa.s At 40°C

Density:

1.55 - 1.70g/cm3 At 25°C

Flash Point:

Around 135°C

Dielectric Strength:

>22 KV/mm (ASTM D149)

Thermal Shock Resistance:

1,000+ Cycles (IEC 60216)

Highlight:

crack resistant epoxy casting resin

high dielectric strength epoxy resin

electrical insulation epoxy resin

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

Normally T/T,L/C

Supply Ability

Plenty of raw material in stock

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Product Description

High Mechanical Strength Anti-Cracking Epoxy Casting Resin for Thermal Cycling Switchgear Insulators

LW-9229A/B: Crack-Resistant Room Temp Cure Epoxy for 10-35kV CT/PT Insulation & Outdoor Encapsulation

UL-Certified | Pre-Mixed Fillers | Superior Dielectric Strength

Engineered for outdoor electrical insulation in Current Transformers (CT) and Potential Transformers (PT), this modified BPA epoxy system delivers crack-resistant encapsulation for 10-35kV terminal posts, bushings, and transformer components. With pre-mixed fillers in both resin (LW-9229A) and hardener (LW-9229B), it ensures consistent thermal shock resistance and long-term durability in harsh environments.

Key Advantages

Crack Resistance: Withstands thermal cycling for outdoor applications
High Dielectric Strength: Critical for 10-35kV insulation systems
Pre-Mixed Fillers: Simplified processing, no weighing errors
Room Temperature Cure: Energy-efficient transformer manufacturing
Moisture & Chemical Resistance: Protects CT/PT units from environmental degradation

Applications

Ideal for:

10-35kV sealed terminal posts
CT/PT transformer potting & coil encapsulation
Outdoor bushings, insulators, switchgear
High-voltage electrical insulation components

Processing Methods

Method	Benefit
Vacuum Gravity Casting	Bubble-free encapsulation for complex geometries
Automatic Pressure Gelation (APG)	High-yield production of crack-resistant parts

Critical Properties

Property	Value/Description
Filler Status	Pre-mixed in resin & hardener
Dielectric Strength	>22 kV/mm (ASTM D149)
Thermal Shock Resistance	Excellent (1,000+ cycles, IEC 60216)
Crack Resistance	Optimized for outdoor exposure
Viscosity	Slurry liquid for deep gap filling
Certification	UL 94 V-0 (Flame Retardant)

Formulation Guide

Component	Product	Proportion
Epoxy Resin	LW-9229A	100 pbw
Hardener	LW-9229B	100 pbw
Colorant	LC-Series*	1 pbw

*Color paste optional for UV-stable pigmentation.

Why Choose LW-9229A/B?

This electrical-grade epoxy combines BPA's structural strength with pre-mixed fillers for unmatched crack resistance in outdoor applications. Its slurry viscosity ensures perfect gap filling for CT/PT windings, while room temperature curing reduces production costs. Ideal for 10-35kV terminal posts and transformer encapsulation, it delivers lifelong moisture resistance and dielectric performance under thermal cycling.

Advantage

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High Dielectric Strength Crack Resistant Room Temperature Cure Epoxy Resin for Electrical Insulation and Transformer Encapsulation

Get Best Price

Video

10-35kV Insulation Epoxy Resin with Pre-Mixed Fillers for Room Temperature Cure in Electrical Components

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