JT 8048A/B High Temperature Epoxy Resin System 85-95°C Glass Transition for Dry Type Transformers
Price:
$3/kg
MOQ:
25KG
Delivery Time:
5 days
Brand:
JT-RESIN
Product Description
Product Overview
JT 8048A/B is a high-performance, silica flour-filled epoxy resin system specifically engineered for electrical insulation applications in dry-type transformers and instrument transformers. This hot-curing cast resin system offers excellent processing characteristics and superior electrical properties.
Key Features & Benefits
- Long pot life with short gel time under high temperature
- Excellent mechanical and electrical insulation properties
- Superior crack resistance for long-term reliability
- Optimized for APG (Automatic Pressure Gelation) and conventional casting processes
- Solvent-free formulation with excellent impregnating performance
Technical Specifications
Component Properties
| Component | Property | Test Method | Value Range |
|---|---|---|---|
| JT 8048A Epoxy Resin | Aspect | Visual | Red paste |
| Viscosity at 40°C | ISO2555:1989 | 2000-3500 Mpa.s | |
| Specific Weight at 20°C | ISO2811-2:1997 | 1.55-1.62 g/cm³ | |
| Filler Content | % by weight | 47-52% | |
| JT 8048B Epoxy Hardener | Aspect | Visual | Red paste |
| Viscosity at 40°C | ISO2555:1989 | 1500-3000 Mpa.s | |
| Density at 20°C | ISO2811-2:1997 | 1.70-1.80 g/cm³ | |
| Filler Content | % by weight | 52-58% |
Mechanical Properties
| Property | Test Method | Value Range |
|---|---|---|
| Tensile Strength | ISO R 527:1993 | 75-78 N/mm² |
| Elongation at Break | % | 1.0-1.5% |
| E Modulus (Tensile) | N/mm² | 10000-12000 |
| Flexural Strength | ISO 178:2001 | 105-115 MPa |
| Glass Transition Temperature | ISO 11357-2:1999 | 85-95°C |
| Breakdown Strength (50 Hz) | IEC 60243-1 | 22-25 kV/mm |
Processing Guidelines
Mixing Ratio
JT 8048A : JT 8048B = 100 : 80 pbw
Processing Parameters
| Process Type | Mould Temperature | Demoulding Time | Cure Conditions |
|---|---|---|---|
| APG Process | 140-160°C | 10-40 min | 4h at 130°C or 3h at 140°C |
| Conventional Vacuum Casting | 70-100°C | 5-8h | 12h at 130°C or 8h at 140°C |
Storage & Handling
- Store at 5-25°C in tightly sealed original containers
- Protect from moisture and high temperatures
- Stir components before partial use to prevent filler sedimentation
- Use complete container units when possible
Important: JT 8048B contains accelerator. Prolonged storage at high ambient temperatures may increase viscosity and impair system reactivity.
Safety Information
Follow standard industrial hygiene practices during operation. Use protective gloves, clothing, goggles, and recommended masks. For detailed safety instructions, refer to the Material Safety Data Sheet (MSDS).
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGTE INSULATION COMPOSITE
Location
RM1204, Greenland Center of Financial City, No.662 Huangpu M Avenue, Tianhe District, Guangzhou, China.
Contact Person
Sales Manager