Product Standard
ISO, NEMA, IEC, DIN, JIS
product Specification
|
3841FR (FR4 Rod) Laminated Rods |
||
|
Dimensions (L) |
1000 |
MM |
|
1170 |
MM |
|
|
Other dimensions |
MM |
|
|
Density |
1.70-2.00 |
g/cm3 |
|
Flexural strength perpendicular to laminations, room temperature |
≥ 241 |
kV/mm |
|
Breakdown voltage parallel to laminations |
≥ 15 |
kV |
|
Axial compressive strength |
≥ 241 |
MPa |
|
Water absorption rate, D-24/23 φ25 mm |
≤0.5 |
% |
|
Flammability |
V-0 |
CLASS |
Material: woven glass fabric, epoxy resin
Color & Logo: green
3841FR, similar to NEMA FR4, is a molded laminate rod produced from woven glass fabric bonded with a flame-retardant epoxy resin. This material exhibits high strength, minimal moisture absorption, superior electrical properties, and robust chemical resistance, all of which remain consistent at room temperature and in humid or damp environments. 3841FR is the ideal grade for producing intricate machined components that demand superior electrical properties. Such components may encompass switchgear, bus bars, and electronic testing apparatus.
Product Application
FR4 rods, crafted from epoxy resin reinforced with woven glass fiber, deliver exceptional electrical insulation, thermal stability, and mechanical strength. Their versatility makes them indispensable across industries requiring precision, durability, and reliability.
Below are key applications where FR4 rods excel:
1. Electronics & Electrical Engineering
Insulating Standoffs & Supports: Safeguard highvoltage circuits in transformers, switchgear, and power distribution systems.
Bus Bar Insulators: Prevent electrical leakage in industrial motor controls and energy storage systems.
2. Industrial Automation & Machinery
Thermal Barriers: Shield sensitive components from heat in welding equipment or hightemperature sensors.
Structural Reinforcements: Enhance rigidity in lightweight tooling frames without compromising electrical safety.
3. Automotive Innovation
EV Battery Insulation: Ensure safety in electric vehicle battery modules and charging infrastructure.
Sensor Mounts: Withstand engine bay heat and vibrations in emission control systems.
4. Renewable Energy Systems
Solar Inverter Components: Resist UV degradation and thermal cycling in photovoltaic installations.
Wind Turbine Sensors: Provide longterm stability in harsh, moistureprone environments.
5. Medical Equipment
Imaging Device Insulators: Nonconductive mounts for MRI and CT scanner electronics.
Sterilizable Handles: Withstand repeated autoclave cycles in surgical tools.
Why Choose FR4 Rods?
- Temperature Resilience: Perform consistently from 50°C to +150°C.
- Low Moisture Absorption: Ideal for humid or outdoor environments.
- Machinability: Easily drilled, cut, or milled to tight tolerances.
- FlameRetardant: Meets UL94 V0 standards for critical safety applications.
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