Epoxy fiberglass tube Applications

The high insulation, mechanical strength, weather resistance and designability of epoxy pipes make them widely used i...

The high insulation, mechanical strength, weather resistance and designability of epoxy pipes make them widely used in many key fields. The following is a systematic classification of its core application fields and typical scenarios:

1. Power energy field (the largest application accounts for > 60%)

Power transmission and transformation system

Composite insulator core rod (110kV~1100kV transmission line, replacing ceramics, reducing weight by 50%)

GIS/GIL insulation casing (550kV GIS equipment with wall thickness ≥30mm, partial discharge <3pC)
‌Lightning arrester outer casing (withstands 200kA lightning current impact, protection level IP68)

‌Transformer and reactor

‌Winding insulation cylinder (F/H grade temperature resistance 155~180℃, axial pressure resistance >200kN)
‌Dry-type transformer skeleton (thermal conductive epoxy tube, temperature rise reduced by 40℃)

‌Switchgear

‌Vacuum circuit breaker arc extinguishing cylinder (12kV grade arc erosion resistance >100 times)
‌Disconnector operating rod (bending strength >300MPa, torque transmission accuracy ±0.2°)

‌2. New energy field (fastest growth, annual demand ↑25%)

‌Application scenarios ‌Technical points ‌Case ‌‌Photovoltaic inverter resistant to DC1500V+UL94 V0 flame retardant support insulation column (wall thickness 3mm)
‌Wind turbine Carbon fiber epoxy tube fatigue resistance > 10⁷ cycles Blade bearing sleeve (diameter 1.5m)
‌Energy storage battery system‌ Resistant to electrolyte corrosion (no swelling after immersion in DMC solvent) Battery module isolation bracket
‌Hydrogen energy electrolyzer‌ Resistant to strong alkali (40% KOH, 80℃) Electrode insulation sealing tube

3. Transportation field‌

‌Railway transportation‌
‌Pantograph insulation tube‌ (25kV contact network, impulse withstand voltage 250kV)
‌Vehicle equipment bracket‌ (flame retardant EN45545-2, smoke toxicity level S2)
‌New energy vehicles‌
‌Motor insulation sleeve‌ (corona resistance life＞20,000h)
‌High-voltage terminal‌ (DC1000V, creepage distance ≥15mm/kV)
‌Aerospace‌
‌UAV structural parts‌ (carbon fiber epoxy tube specific strength＞350MPa/(g/cm³))
‌Satellite antenna bracket‌ (CTE≈6×10⁻⁶/K, spatial dimensional stability)

‌4. Industrial Equipment Sector‌

‌Application‌	‌Requirements‌	‌Components‌
‌Textile machinery‌	Wear resistance (<5mg/1000 rev)	High-speed yarn guides (Ra<0.4μm)
‌Semiconductor tools‌	Ultra-high purity (metal ions <1ppb)	Wafer handling tubes (HF acid resistant)
‌Medical devices‌	Sterilization/radiation resistance	CT scanner rotating frames
‌Robotics‌	Flexural modulus >50GPa	Robotic arm links (±0.05mm repeatability)