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3240 Epoxy Insulation Press Board

Basic Info

Model No.:  MJ-3240

Product Description

Model NO.: MJ-3240 Type: Insulation Sheet Material: Fiberglass Maximum Voltage: 10KV~20KV Certification: ISO9001 Brand: Mj Density: 1.9g/cm3 Tensile Strength: 300 MPa Appliction: Electrical Insulation Customizable: Yes Transport Package: According to Customers Requirement Origin: Xi′an, Shaanxi, China Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Switch Baseplate Chemistry: Epoxy Thermal Rating: B 130 Classification: Epoxy Color: Yellow Size: 1220X2040. Formation Methods: High Temperature and High Pressure Samples: Free Samples Available Delivery Time: 7-10 Working Days Trademark: MJ Specification: ISO9001 HS Code: 8547909000 Feature:
Excellent mechanical property
Heat resistance property                                                                                                                
Excelletn magnetic permeability                                                                                        
Energy-saving & Environmental protection
Motor and generator groove strip/slot wedge
Reduce the motor loss, temperature rising, noise and etc

Electrical Insulation Laminates Packaging & Shipping
Epoxy Fiberglass Insulation Laminate Series
Our Company Covers an Area of about 5000 Square Meters, Construction Area of About 2200 Square Meters
We Take Place In Domestic & International Exhibition Fair Like CWIEME in Berlin/Shanghai,  CW CIEMME in Guangdong, Cross-Straits Electric Motor & Appliance Exposition in Taiwan and etc.
We Have Over 50 Sets of Production & Testing Equipments Which  Insure Us  The Annual Production Capacity 360 Tons of Magnetic Conductive Sheet, 240 Tons of Insulating Sheet, 80 Tons of Insulation Varnish. Production is Strictly Under Control.
We Have Over 10 Years in  Manufacting Magnetic/None-Magnetic Insulation Laminte, Slot Wedge, Insulation Tube, Fiberglass Varnish Cloth, Thermal expansion Sheet, Insulation Varnish, Mica Tape and Processed Machining Components.
We have passed ISO 9001-2000 and got our own patent technology, Xi'an city Science and Technology Bureau identified us as "High-Tech Enterprises"

Our Business Scope Is All Over The World, A.O.Smith Is One of Our VIP Customers.

Excellent Service and Operation Team Ensure 100% of Your Profit


(1) Can you give me a discount price?

It is depending on the volume. The larger the volume is, the more discount you can enjoy.

(2) How can I get a sample?

Normally small samples (sizes not larger than 300*300mm) can be sent free of charge and customers just need to bear a little shipping charge, or you can provide your DHL,FEDEX,EMS,UPS courier account number to us. For bigger sizes, it depends.

(3) How can you deal with quality issues that customer feedback after receiving the goods?
1) Customers take photos of unqualified goods and then our sales staff will send them to Engineering Department to verify.
2) If the issue is confirmed, our sales staff will explain the root cause and take corrective actions in coming orders.
                                                                                   Basic information
Product name 3240 Electrical Insulation Stator Wedge
Item No. With the same item numbers of the laminates which used for processing
Brand MJ
Material Epoxy Resin and Alkali free fiberglass cloth
Grade Grade B
Excellent mechanical & electric property                                                                                                                             Good heat & moisture resistance                                                                                                                                     Easy for installing
 Motors & generators                                                                                                                                                      Traction motors                                                                                                                                                                  High-speed motors                                                                                                                                                            Wind turbines Metro reactors
Technical Performance
Density ≥2.0g/cm 3
Appearance  Natural color Yellow, surface smoothly without bubble and impurities, no flow marks, Cutting edge without fault and separation
Sheets Thickness 0.1-50mm 
Size Customized 
Formation methods High temperature and high pressure 
Thermal stability in 24h ≥180°C
Water Absorption (D-24/23, 1.6mm 21.5 mg 
Impact strength parallel to layer (Charpy method) ≥34.5 KJ/m 2 
Tensile strength ≥300 Mpa 
Flexural strength perpendicular to layer                                 at room temperature                                                                     at high temperature  180±2°C                                                                                             ≥345MPa                                                                       ≥340 MPa
Insulation Resistance after immersion in water (D-24/23) 5.1×10 8 W
Dielectric Strength perpendicular to laminations (in 90±2 °C transformer oil, 1 mm)          10.4 KV/mm
Voltage resistance parallel to layer                                        (at 90°C ±2°C oil for 1min) ≥30 kV
Breakdown Voltage parallel to laminations (in 90±2°°C transformer oil) ≥36.1 kV
Permittivity (50Hz) 5
Permittivity (1MHz) 5.1
Dissipation Factor (50Hz) 0.032
Dissipation Factor (1MHz) 0.032
Reference Standard GB/T1303.1-1998

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