Class F Epoxy Casting Resin
Introduction
Class F Epoxy Casting Resin is a high-performance insulating material designed for electrical encapsulation and structural casting applications.
Basic Product Parameters
| Components | Main Agent | Curing Agent | Referenced Standards |
| color | Bright Red | Grayish-brown | 一一 |
| Viscosity at 40°C (mPa·s) | 4300~6000 | 3800~5200 | GB/T24148.4-2009 |
| density(g/mL) | 1.65~1.76 | 1.65~1.69 | GB/T6750-2007 |
Note: Colors can be customized according to customer requirements.
Product Features
High Thermal Resistance (Class F)
Withstands temperatures up to 155°C, suitable for high-temperature electrical systems.
01
High Mechanical Strength
Provides strong structural support and resists cracking under stress.
02
Good Flowability
Low viscosity ensures complete filling of molds and complex structures.
03
Curing Temperature Profile
| stage | content | Curing Time(min) | Curing Temperature(℃) |
|
1 |
Warming Up | 30 | 25~80 |
| 2 | constant temperature | 360 | 80 |
| 3 | Warming Up | 15 | 80~100 |
| 4 | constant temperature | 240 | 100 |
| 5 | Warming Up | 15 | 100~130 |
| 6 | constant temperature | 360 | 130 |
Note: Colors can be customized according to customer requirements.
Product Characteristics After Curing
| Test Items | Class F Epoxy Casting Resin | Referenced Standards |
| Tensile Strength (MPa ) | 50~63 | GB/T 15022.2-2017 |
| Tensile Modulus of Elasticity(MPa ) | 7.60~8.60*10³ | |
| Flexural Strength(MPa ) | 99~106 | |
| Flexural Modulus(MPa ) | 8.65~9.63*10³ | |
| Impact Strength(KJ/m² ) | 49~59 | |
| Elongation at break(%) | 1.0~1.1 | |
| Compressive Strength(MPa ) | 150~155 | |
| hardness(Shored) | 82~85 | |
| Volume Resistivity(Ω·m) | 1015 | |
| Dielectric Strength(MV/m) | 26 |
Application Fields
Dry-Type Transformers
Provides insulation and structural support for coils and windings.
Switchgear and High-Voltage Equipment
Ensures electrical safety and long-term stability.
Electrical Insulators
Used in components requiring high dielectric performance.
Coils and Windings
Enhances mechanical strength and thermal resistance.
Power and Energy Systems
Suitable for applications in grid equipment and industrial power systems.
Insulation Class: Class F
Shelf Life and Storage Conditions:
Shelf Life: 180 days. If the product exceeds the shelf life, it must be inspected and confirmed to meet the required specifications before use.
Store in a dry, well-ventilated environment, protected from moisture and kept away from sources of ignition.
Processing Instructions
Mixing
Mix resin and hardener according to the specified ratio until uniform.
Degassing
Vacuum degassing is recommended to eliminate bubbles.
Casting
Pour slowly into molds or components to ensure complete filling.
Curing
Follow the recommended curing schedule for best results.
Why Choose Us
Strong Customization Capability
Flexible formulations meet different industry requirements.
Strict Quality Control
Comprehensive testing guarantees consistent product quality.
Technical Support
Professional team provides guidance on application and processing.
Stable Supply
Reliable production capacity ensures timely delivery.
FAQ
Q1: What is the product storage condition?
Store in dry and ventilated place, protected from moisture and away from ignition sources.
Q2: How long is the product shelf life?
180 days, re-inspection is required if used after expiration.
Q3: What protection is needed for operation?
Wear gloves and mask to avoid direct skin and respiratory contact with the material.
Q4: How to handle accidental eye contact?
Flush eyes with running clean water for 10-15 minutes, seek medical help if discomfort remains.
Q5: Is the product suitable for atmospheric pressure casting?
It is specially formulated for vacuum casting to ensure the forming quality of components.
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