Diamond Dot Paper


Material Properties:

  • Insulation class A (105 °C) in accordance with VDE 0530 Part 1
  • Presspaper (in rolls), 100 % sulphate wood pulp
  • Type P 4.1 in accordance with IEC 641 – 1 (soft calandered)
  • Also available: Type P 2.1 according to IEC 641 – 1 (calandered)
  • High purity and mechanical strength
  • Thermosetting coating of expoxi-phenolic resin (B-stage), put in rhombic pattern on one or both sides.
  • Good compatibility with transformer impregnants after curing of the coating.

Note: The surfaces to be bonded must remain tightly pressed together during curing


Layer insulation in liquid-immersed transformers


  • In rolls of 1280 mm width
  • Available thickness: 0.1 – 1.0 mm
Code Size
TP113 0.13mm
TP125 0.25mm
TP138 0.38mm

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DISCLAIMER: The technical information contained herein is the result of extensive testing in the manufacturer’s laboratories. In addition any application advice given verbally, in writing or by testing corresponds to the best of our knowledge and belief. Since the use and application of any of our products lies beyond our area of control, it remains the responsibility of the user to verify the product’s suitability for their application.

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