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Isovolta 4373 Poroband® Mica Tape, 38" x 50 yd

ID: MICA4373X38X50YD Mfr ID: MICA4373X38X50YD
Manufactured by: Isovolta
Isovolta 4373 is a class F 155 deg C tape composed of a woven glass fabric, mica paper and with a polyester mat covering the mica paper. It is designed for use in vacuum pressure impregnation (VPI) applications. The binder is a modified epoxy resin, uncatalyzed and fully compatible with most commonly used VPI resins.

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USD $770.24 / RL

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1-4 $770.24 / RL
5-9 $641.87 / RL
10+ $592.49 / RL

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This item may be sold in units of 1.

  • Brand name :  Isovolta
  • Trade Name :  Poroband®
  • Series :  4373
  • Item Name :  Mica Tape
  • Short Desc :  MICA TAPE,4373, 38.00" X 50 YDS 3"C
  • UNSPSC :  31201502

Because of the low resin content, the tapes and wrappers are very porous, very flexible and conformable allowing tight hand or machine winding around both straight and irregular surfaces thereby helping to reduce air voids and therefore, the possibility of internal corona discharges.

Performance Details
Tensile Strength 80  lb/Inch
Design & Construction
Adhesive Type Epoxy 
General Features
Shelf Life 24 Months 
Electrical Properties
Dielectric Strength 425  V/Mil
Physical Properties
Length 50  Yard
Core Size 3 Inch 
Width 38  Inch

Isovolta 4373 Poroband® Mica Tape, 38" x 50 yd Technical Data Sheet 

Features :

  • Low dissipation factor at operating temperature through 155 deg C with low factor VPI resin
  • Less than 1% dissipation factor tip up
  • High mica content
  • Excellent resin penetration
  • Compatible with most commercially available VPI resins

Applications :

  • For Insulating Pole and Interpole Coils in Traction Motors and Magnet Coils