Emei Group

Emei Group is a supplier of electronic engineering materials and components

Insulators

Insulators

Feature 

  • High voltage endurance
  • High temperature stability
  • Shock and flections resistance
  • Acid-proof and alkali solvent endurance


Typical properties


Thickness 
0.1-0.38 mm
Color 
Transparent, semitransparent, milky white, white, black
Density g/cm3  1.4
Opacity % 
15-24
Use 
Multi-purpose materials for plate making, printing, electronic inscription, soft circuits, cards, etc.  
UL grade 
The fire-resistance grade reaches UL94HB~VTM2.


NOMEX® TYPE 410

NOMEX® Type 410 is a calendered insulation paper which have superior property by offering high inherent dielectric strength, mechanical toughness, flexibility and resilience. NOMEX® Type 410 is the original form of NOMEX® paper, and is widely used in a majority of electrical equipment applications. Available in 12 thicknesses products(0.05 to 0.76 mm) with specific gravities from 0.7 to 1.2,which is widely used in a majority of electrical equipment applications.

Feature

  • Inherent dielectric strength
  • Mechanical toughness
  • Flexibility and resilience
  • Thermal stability
  • Chemical compatibility
  • Mechanical properties

Application

  • Voltage Transformers
  • Motors and Generators
  • Fire-resistant wrapper and maker tapes for cables, appliance switchovers, shields for printed circuit boards, etc.

Typical properties


Color 
Original color
Thickness 
0.13mm ~ 0.25mm

Dielectric constant
at 60 Hz
 

1.6-3.4

Dielectric strength
-AC rapid rise
(kV/mm)
 

27-33
Density g/ cm3 
0.72-1.06
UL grade 
The fire-resistance grade reaches UL94V-0


Formex®

Formex® are flame retardant grades of polypropylene, extruded into sheet and primarily used for their electrical insulation properties.


Due to the high dielectric strength and low moisture absorption, they can meet the insulation requirements for most majorities of electrical equipment applications.


Typical properties

Feature 
Shock and flections resistance, strong break resistance and
suitable for molding processing.
Thickness 
0.25mm ~ 0.46mm
Color 
Natural color, black
Use 
Suitable for the insulating use of electronic and electrical machinery,
mould cutting and folded boxes
UL grade 
The fire-resistance grade reaches UL94V-0


Applicable to:
Product Center