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F872 (Bismaleimide) Modified Bismaleimide Glass Fabric Laminated Sheets

F872 (Bismaleimide) Modified Bismaleimide Glass Fabric Laminated Sheets

F872 has high mechanical and dielectric properties, good heat resistance and radiation resistance, similar to F871 but with N grade thermal resistance. It is commonly used for mechanical and electrical purposes, F872 is used for motor insulation, like slot wedges, carbon brush brackets, and other insulation structural parts in electrical equipment.
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Product Standard

 

ISO, NEMA, IEC, DIN, JIS

 

product Specification

 

F872 (Bismaleimide ) Modified Bismaleimide Glass Fabric Laminated Sheets

Dimensions (LxW)

1020*1220

MM

1020*2040

MM

1220*2470

MM

Density

1.80-2.00

g/cm3

Electric strength perpendicular to laminations (in
oil, 90±2℃), 1 mm in thickness

≥18

kV/mm

Breakdown voltage parallel to laminations
(in oil, 90±2℃)

≥35

kV

Insulation resistance after 24 h water immersion, D-24/23

≥1.0×1010

Ω

Water absorption rate, 1.5 mm in thickness

≤71

mg

Permittivity, 1 MHz

≤5.50

-

Dissipation factor, 1 MHz

≤0.03

-

Thermal resistance

N

CLASS

 

Material: Modified Bismaleimide resin and a woven fiberglass

Color & Logo: black

 

F872 has high mechanical and dielectric properties, good heat resistance and radiation resistance, similar to F871 but with N grade thermal resistance. It is commonly used for mechanical and electrical purposes, F872 is used for motor insulation, like slot wedges, carbon brush brackets, and other insulation structural parts in electrical equipment.

Services

 

  • Material customization:

Adjust the formula according to the requirements of temperature resistance, dielectric and mechanical strength .

  • Processing support:

Provide suggestions for optimizing process parameters of laser cutting/compression molding.

Real-time online support (email/phone/video) for product selection, process optimization, and troubleshooting.

  • Technical documents:

Datasheets (PDF), safety manuals, third-party certifications.

  • Response time:

24h for general inquiries; 2h for emergencies.

FAQ

 

FAQ

Q: What's the differences between F871 and F872?

A: F872 has N grade(200℃) thermal resistance, but F871 has H grade(180℃) thermal resistance.

Q: Which international standards does it comply with?

A: IEC 60249-2-18

 

 

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