FR-4 Epoxy Fiberglass Series

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3240 epoxy fiberglass series
3240 Epoxy Fiberglass Series
Product Forms and Customization 3240 Epoxy Glass Cloth Laminated Sheets Thickness Range: 0.3mm-100mm Standard Size: 1020×1220mm Customizable: width, length, thickness, precision cutting, slotting, drilling Applications: motor insulation parts, mold base plates, structural supports   3240 Epoxy Fiberglass Rods Standard Diameter: 6mm-200mm Length: customizable or cut to specified size Customizable: diameter, length, end-face machining Applications: electrical insulating shafts, fasteners, insulation supports   3240 Epoxy Fiberglass Tubes Manufactured by winding or molding process Customizable: tube diameter, wall thickness, length, precision inner and outer diameter machining Applications: insulating sleeves, mechanical structural parts, electrical equipment protective covers   Product Advantages High Mechanical Strength: excellent tensile, compressive, and bending performance Superior Electrical Insulation: arc-resistant, leakage-resistant, stable dielectric properties Heat Resistance (Class F): continuous operating temperature up to 155℃ Moisture and Corrosion Resistance: suitable for humid conditions and certain chemical environments Flexible Customization: adjustable width, length, thickness, and multiple machining options to meet specific client requirements   Applications Electrical Insulation: motor, transformer, and switchgear insulation components Mechanical Structures: high-strength support parts, insulating connectors, mold base plates Energy & Transportation: wind power equipment, rail transit, power equipment components Electronics Industry: PCB substrates, insulating partitions
mica products
Mica Products
Available Product Types Mica Tube: Cylindrical insulating tubes that can be used as winding sleeves or high-temperature protective tubes. Mica Tape: Includes 5438 Epoxy Glass Mica Tape, 5440 Tongma Epoxy Glass Mica Tape, 5450/5450-1 Silicone Glass Mica Tape, etc. Mica Sheet/Board: Includes 5151 Soft Silicone Glass Mica Sheet, HPS Mica Powder Board for Electrical Heating Equipment, etc. Custom Mica Composites: Various resin-impregnated mica products can be customized according to customer requirements.   Specifications and Customization Inner Diameter (for tubes): Customizable (commonly 5mm-50mm) Outer Diameter (for tubes): Customizable (commonly 10mm-60mm) Length/Dimensions: Made to customer specifications Material: Mica powder, mica sheets, resin-impregnated mica, and other composites Packaging: Available as individual tubes or batch-wound rolls   Product Advantages Excellent High-Temperature Resistance: Long-term use up to 500℃ or higher (depending on material grade) Superior Electrical Insulation: Arc-resistant, high dielectric strength, and breakdown-resistant High Mechanical Strength: Resistant to compression, bending, and tearing Chemical Resistance: Withstands oil, moisture, and common chemicals Easy Processing: Customizable length with end-face machining support   Applications Motors & Transformers: Winding insulation sleeves, end insulation posts Electrical Heating Equipment: Heater protection sleeves, high-temperature furnace tubes Industrial Equipment: High-temperature insulating support tubes, thermal protection for precision equipment Research & Laboratory Devices: Insulating protection for high-temperature experimental setups
engineering plastics series
Engineering Plastics Series
Product Forms and Customization Standard Engineering Plastics: PP, PVC, PE, PA High-Performance Plastics: PPS, PEEK, PI, PEI, PAI Forms: Sheets, rods – customizable dimensions available upon request   Product Advantages High Mechanical Strength: Excellent tensile, bending, and impact resistance Wide Temperature Resistance: Stable performance in extreme temperature environments Wear and Corrosion Resistance: Suitable for long-term friction and chemical exposure Dimensional Stability: Maintains shape and size over long-term use Electrical Insulation: Some materials suitable for electronic and electrical components Customizable: Dimensions, thickness, and shapes can be tailored to project requirements   Applications Machinery Manufacturing: Gears, bearings, pulleys, guide rails Electronics & Electrical: Insulating supports, connectors, switch components Automotive Industry: Engine parts, seals, instrument panels Aerospace: High-temperature parts, lightweight structural components Medical Equipment: Chemically resistant components, transparent devices
3841 epoxy glass fiber series
3841 Epoxy Glass Fiber Series
Product Forms and Customization 3841 Epoxy Glass Cloth Laminated Sheets Thickness range: 0.3mm-100mm Standard size: 1020×1220mm, customizable width, length, and thickness Secondary processing: Cutting, slotting, drilling Applications: Motor insulation components, mechanical structural parts, mold base plates   3841 Epoxy Fiberglass Rods Standard diameters: 6mm-200mm Customizable lengths Precision machining for end faces and diameters available Applications: Insulation supports, fasteners, electrical shafts   3841 Epoxy Fiberglass Tubes Customizable inner/outer diameters, wall thickness, and length Supports winding or molding processes Applications: Insulation sleeves, mechanical structural components, protective covers for electrical equipment   Key Material Advantages High Mechanical Strength: Excellent tensile, compressive, and bending resistance Superior Electrical Insulation: Arc-resistant, leakage-resistant, stable dielectric properties Heat Resistance: Continuous working temperature up to 155℃ Moisture and Chemical Resistance: Suitable for humid and mildly corrosive environments Flexible Customization: Supports extended, widened, or thickened sizes and multiple machining processes   Applications Electrical Insulation: Motors, transformers, switchgear, and other insulation components Mechanical Structures: High-strength support components, mold base plates, insulated connectors Industrial & Energy: Rail transportation, power equipment, wind power devices Electronics Industry: PCB substrates, insulation partitions
pultruded insulation series
Pultruded Insulation Series
Product Types & Customization Range Insulation Rods Diameter range: 6mm-200mm Customizable length End-face machining, cutting, and drilling available Applications: Motor bearing supports, precision insulation columns, mechanical support components   Insulation Tubes Inner diameter, outer diameter, and wall thickness customizable Available in molded or pultruded forms Applications: High-voltage insulation sleeves, wire protection tubes, equipment shielding pipes   Product Advantages High Mechanical Strength: Outstanding tensile, compressive, and flexural performance Superior Electrical Insulation: Excellent arc resistance, leakage resistance, and stable dielectric properties High Dimensional Accuracy: Pultrusion process ensures uniform diameter and length Heat & Corrosion Resistance: Long-term operating temperature up to 155℃; resistant to moisture and mild acids/alkalis Flexible Customization: Custom diameters, lengths, and wall thicknesses available   Application Fields Motors & Transformers: Insulation supports, bushings, end-cap insulation columns Switchgear & Power Distribution Equipment: High-voltage insulation sleeves, wire protection tubes Machinery & Industrial Equipment: Insulation shafts, precision insulating structural parts Rail Transit & Energy: Electrical insulation components, wind power equipment insulation supports
carbon fiber series
Carbon Fiber Series
Available Forms Sheets: Suitable for structural parts and composite laminates Rods: Ideal for mechanical components and custom-machined parts Tubes: Lightweight tubes for aerospace and sports applications Customization: Sizes, lengths, and shapes can be tailored to customer requirements   Key Product Features High Strength & Lightweight: High tensile strength and low density enable structural weight reduction Excellent Heat Resistance: Maintains stable performance under high temperatures Corrosion Resistance: Resistant to most chemical agents and environmental corrosion High Rigidity: High stiffness and minimal deformation under complex loads Machinability: Available in sheets, rods, tubes, and molded parts Adjustable Electrical Properties: Conductive or insulating performance achievable depending on fiber orientation and matrix materials   Applications Aerospace: Aircraft structural components, support parts Automotive: Vehicle body structures, chassis components, lightweight parts Wind Energy: Blades, support structures Sports Equipment: Bicycle frames, golf clubs, skis Electronics: Heat sinks, conductive or insulating structural components High-End Industrial: Mechanical parts, wear-resistant and corrosion-resistant components  

FR-4 Epoxy Fiberglass Series

The FR-4 Epoxy Glass Fiber Series consists of laminated composite materials made from fiberglass cloth impregnated with flame-retardant epoxy resin and cured under high temperature and pressure. The “FR” in the name stands for Flame Retardant, making FR-4 one of the most widely used insulation materials worldwide. FR-4 offers excellent mechanical strength, electrical insulation, and flame resistance, making it ideal for electronics, electrical, and industrial applications.

Product Forms and Customization

FR-4 Epoxy Glass Cloth Laminated Sheets

Thickness range: 0.2mm-100mm

Standard sizes: 1020×1220mm, 1220×2440mm

Customizable width, length, and thickness

Secondary processing: Cutting, slotting, drilling

Applications: PCB substrates, electrical insulation boards, mechanical structural parts

 

FR-4 Epoxy Fiberglass Rods

Standard diameters: 6mm-200mm

Custom lengths, diameters, and precision machining available

Applications: Insulation shafts, fasteners, support components

 

FR-4 Epoxy Fiberglass Tubes

Produced by winding or molding processes

Customizable inner/outer diameters, wall thickness, and lengths

Applications: Insulation sleeves, protective covers, electrical equipment tubing

 

Key Material Advantages

Superior Electrical Performance: High dielectric strength, arc-resistant, leakage-resistant

Flame Retardant: Meets UL94 V-0 standard for safe and reliable applications

High Mechanical Strength: Excellent tensile, compressive, and bending resistance

Heat Resistance: Continuous working temperature up to 130-140℃

Moisture and Chemical Resistance: Suitable for humid and mildly corrosive environments

Flexible Customization: Supports extended, widened, or thickened dimensions and various secondary machining processes

 

Applications

Electronics: PCB substrates and printed circuit boards

Electrical Insulation: Motors, transformers, switchgear, relays, and other insulation components

Industrial Machinery: High-strength insulation supports, fasteners, structural parts

Transportation & Energy: Rail transit, power equipment, wind power applications