UN.Tex (Dalian) Co.,Ltd

To be one of your best sellers in China

Manufacturer from China
Verified Supplier
5 Years
Home / Products / Electrical Insulation Board /

Grade B Alkali-free Reinforced Laminates With Phenolic Epoxy Resin For Insulation

Contact Now
UN.Tex (Dalian) Co.,Ltd
Visit Website
City:dalian
Country/Region:china
Contact Person:MrsSophia Gao
Contact Now

Grade B Alkali-free Reinforced Laminates With Phenolic Epoxy Resin For Insulation

Ask Latest Price
Video Channel
Model Number :3240
Place of Origin :China
MOQ :1000kgs
Price :basing on size and quantity
Payment Terms :T/T
Supply Ability :200000kgs per month
Delivery Time :30 working days
Packaging Details :pallet
Material :Phenolic Epoxy Resin & Glass Fiber
Size :102 X 202cm / 102 X 122cm / 122 X 204cm / 122 X 244cm
Thickness :0.2-101.6mm
Density :1.8-2.0 g/cm3
Temp. Index :120℃
Flammability :HB
Water absorption Rate :≤0.5%
Tensile strength(MD) :≥200MPa
Insulation Resistance (Normal) :≥5.0×10^12 Ω
Application :Applicable to mechanical, electrical, electronic and other fields
more
Contact Now

Add to Cart

Find Similar Videos
View Product Description

Product Description:


3240: A High-Performance Electrical Insulation Laminate


The Phenolic Epoxy Glass Fiber Laminate 3240 provides outstanding electrical and mechanical performance. This alkali-free reinforced laminate, with its Class B thermal stability, is the ideal choice for manufacturing critical insulation components and structural parts. It performs consistently even in challenging operating environments, including high humidity and immersion in transformer oil.


Advantages:


  • Excellent Dielectric Strength & Stability: Combines high perpendicular electric strength (≥14.2 kV/mm at 90°C in oil) with low relative permittivity (≤5.5 at 50Hz), ensuring reliable insulation against breakdown and minimal energy loss for enhanced operational efficiency.
  • Superior Mechanical Durability: Features a high-density (≥1.8 g/cm³), robust structure that provides exceptional long-term mechanical strength, making it ideal for demanding applications.
  • Impeccable Surface Quality: The smooth, defect-free surface facilitates easy installation and prevents performance issues such as partial discharges, guaranteeing consistent quality and long-term reliability.


Technical Parameters:

Attribute Value
Color Yellow
Shape Board
Surface Smooth/no Significant Defect
Density ≥1.8g/cm3
Water Absorption ≤0.5%
Tensile strength (MD) ≥200MPa
Compressive strength ≥350MPa
Vertical electric strength (at 90℃±2℃ in oil), 1mm in thickness ≥14.2kV/mm
Parallel breakdown voltage(at 90℃±2℃ in oil) ≥35kV
Relative permittivity(50Hz) ≤5.5
Insulation Resistance (Normal) ≥5.0×10^12 Ω
Temp. Index 120℃
Flammability HB

Applications:


  • Ideal for Transformers: Relies on its exceptional dielectric strength (both parallel and perpendicular) for internal insulation.
  • Critical for Switchgear: Valued for its mechanical durability and impact resistance in high-strength environments.
  • Essential for Busbar Supports: Ensures stable power distribution thanks to its low and stable permittivity.


Grade B Alkali-free Reinforced Laminates With Phenolic Epoxy Resin For InsulationGrade B Alkali-free Reinforced Laminates With Phenolic Epoxy Resin For Insulation

Inquiry Cart 0