JT 8053 Transparent Epoxy Resin for Electrical Insulation - 5000-10000 mPa.s Viscosity, 70-80 MPa Tensile Strength

Price Negotiable

Price: negotiable

MOQ: 20kg

Delivery Time: Negotiable

Brand: JT

Product Description

Product Overview

JT 8053 transparent room temperature epoxy system is specifically formulated for electrical insulation applications requiring low viscosity and excellent dielectric properties.

Key Applications

Medium and high voltage indoor electrical insulators
LBS, bushings, spouts, monoblock components
Switch gears and embedded poles

Technical Specifications

Component Formulation

Component	Designation	Parts by Weight
EPOXY RESIN	JT 8053 A	100 pbw
HARDENER	JT 8053 B	90 pbw
SILICA POWDER	FILLER	360 pbw

Processing Methods

Automatic pressure gelation casting (APG process)
Conventional vacuum casting

Key Properties

Very low initial mixed viscosity
Excellent mechanical and electrical performance
Adjustable anti-cracking toughness and filler content

Material Properties

JT 8053 A Modified Epoxy Resin

Property	Test Method	Typical Values
Viscosity @ 25℃	ASTM D-2983	5000-10,000 mPa.s
Non-volatile component	DOWM 101188-TE	100 wt%
Density @ 25℃	ASTM D-1475	1.14-1.17 g/cm³
Storage life @ 25℃	-	12 months

JT 8053 B Modified Liquid Hardener

Property	Test Method	Typical Values
Viscosity @ 25℃	ASTM D-2983	300-500 mPa.s
Vapor Pressure @ 25℃	-	1-2 mbar
Density @ 20℃	ASTM D-1475	1.18-1.22 g/cm³
Storage life @ 25℃	-	12 months

Processing Parameters

Mixing Viscosity

Temperature	Test Method	Viscosity Range
40℃	ASTM D-2983	25,000-35,000 mPa.s
50℃	ASTM D-2983	20,000-28,000 mPa.s
60℃	ASTM D-2983	10,000-15,000 mPa.s

Curing Conditions

Process	Mould Temperature	Demoulding Time
APG Process	130-160°C	10-40 minutes
Conventional Vacuum Casting	70-100°C	5-8 hours

Performance Characteristics

Mechanical Properties (Cured 10h @ 140℃)

Property	Test Method	Typical Values
Glass transition temperature	DSC, mid point, 10℃/min	85-100°C
Tensile strength @ 25℃	ISO R 527	70-80 MPa
E modulus from tensile test	ISO R 527	10,000-11,000 MPa
Flexural strength @ 25℃	ISO 178	110-130 MPa
Impact strength	ASTM D-4812	10-15 kJ/m²

Electrical Properties

Property	Test Method	Typical Values
Dielectric strength @ 25°C	IEC 60243-1	>25 kV/mm
Volume resistivity @ 25°C	IEC 60093	10¹⁵-10¹⁶ Ω.cm
Dielectric constant	IEC 60250	3.5-4.0
Dielectric loss factor at 50 Hz	IEC 60250

Safety & Storage

Store components in tightly sealed original containers at 5-25°C under dry conditions. Shelf life is 12 months. Use appropriate personal protective equipment including gloves, goggles, and protective clothing during handling.

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