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MATERIALS

 
 

Electrical Insulating and
Vulcanized Fiber / Fishpaper
Alternative Materials
   
  TYPICAL PROPERTIES OF
"VHR-115"
   
 

VHR-115 is a dense, rigid material produced in multi-ply construction from unbleached kraft pulp and acrylic polymer.  VHR-115 has excellent dielectric and mechanical strengths, low water absorption and is free of conducting particles, chemical impurities and foreign matter.  Its chemical cleanliness accounts for its excellent aging characteristics in air up to 115°C.
   
 

VHR-115 can be used in many coil, transformer, motor, electrical hardware and electronic applications where the need for excellent dielectric and physical strengths are required.
   
 

VHR-115 is approved by Underwriters Laboratories reference E-31556(M) electrical use at 115°C and mechanical at 110°C.
   
 

PHYSICAL, ELECTRICAL AND CHEMICAL PROPERTIES:
 

Fiber Content

100% Unbleached Kraft Wood Pulp
Ash Content (Max.) .75%
pH Water Extract 6.5 - 7.5

Moisture Content

7.0% Avg.
Water Absorption % change in wgt. 24 hrs max 2 hours 50%
24 hours 60%
     

Standard Thickness, ± 7%

Inches

.010

.015

.020

.025

.031

.062

Apparent Density, (Air Dry), ± 7%

g/cc

1.05

1.05

1.05

1.05

1.05

1.05

Weight, (Air Dry), ± 7%

lbs./sq. ft.

.054

.082

.109

.136

.169

.338

Dielectric Strength, (Avg.) grams AC, 25˚C

Volts/mil

250

250

250

250

250

250

Tensile Strength, (Avg.)

MD lbs./In.

200

305

425

540

660

 

CMD lbs./In.

35

60

75

95

110

 

Burst Strength, (Avg.)

lbs./sq. in.

150

250

375

460

550

900

Tear Strength, (Avg.) grams

MD

255

450

615

830

950

 

CMD

425

740

900

1000

1000+

 

 
 

 

STYLE "E-FR" VULCANIZED FIBER
STYLE "FRP" VULCANIZED FIBER
STYLE "HITEX" VULCANIZED FIBER
STYLE "KRAFT INSULATION" VULCANIZED FIBER
STYLE "RAGTEX" VULCANIZED FIBER
STYLE "VHR-115" VULCANIZED FIBER
       
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This information is furnished as a guide for selecting materials.  Atlantic Gasket disclaims liability for results or use of this information.  It is the customer’s responsibility to obtain and test samples when determining suitability of material for a particular application.

 
 
 
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