Diamond Dotted Insulation Paper

Diamond Dotted Insulation Paper
Main Parameters:

Insulation class:   A Class(105°C)

Width: 960mm

Thickness: 0.08mm,0.13mm,0.18mm,0.20mm,0.25mm  

Can be customized
Yaan Catalog
  • Product Details
  • Company Profile

Product Video

Product Information

Brief Introduction of Diamond Dotted Insulation Paper

—Diamond dotted Insulation Paper is made of electrical grade Insulating paper coated with B-stage heat curable epoxy resin on either or both sides. The base paper is made from unbleached 100% Sulfate kraft pulp.
—The epoxy resin is applied on base paper in diamond pattern, which is consisted of 9.5mm x 9.5mm diamonds with 15.9mm center spacing.
—Diamond dotted paper has good dielectric properties and mechanical properties after being heat solidified.
 Diamond Dotted Insulation Paper,insulation paper

Main Features of this Diamond Dotted Insulation Paper:

—Insulation class A (105 °C) according to according to IEC 641
—Width: 960mm
—Thickness: 0.08mm,0.13mm,0.18mm,0.20mm,0.25mm , Can be customized
—Kraft paper, 100% sulphate pulp
—High purity and mechanical strength
—Baked enamel coating: Epoxy resin , rhombic, one or both sides
—Good compatibility with liquid dielectic after the baked enamel coating has hardened.
—Care should be taken that the that the layers to be baked remain closely pressed against each other during baking time
—It has been approved by UL (NO.: E310670) ,ROHS and REACH test.

Technical Parameters

Thickness mm 0.088 0.15 0.17 0.2 0.25 0.3
Thickness tolerance mm ±0.010 ±0.015 ±0.015 ±0.020 ±0.020 ±0.030
Resin thickness μm ≥15
Pollution / No
For transformer oil
Tensile Strength, MD ≥45 ≥80 ≥120 ≥140 ≥190 ≥270
No bending TD ≥45 ≥80 ≥105 ≥120 ≥170 ≥200
Elongation MD % ≥15 5
TD ≥20 5
Breakdown Voltage, KV 5 6 7 9 12 15
No bending
Insulation Class ≥ 155
Cure Condition 90±5℃,2h;140±5℃,≥4h
Storage Below 35℃, Dry, Clean, Ventilated place.
Away from the fire source and heat.
Avoid the sun.
Shelf life 12 months under normal temperature.


1.Q: Are you trading company or manufacturer ? 

A: We are a manufacturer, We have more than 36 years experience in producing electrical insulation material.

2.Q: Where is your factory located? How can I visit there? 

A: Our factory is located in Xuchang,Henan provience.

3.Q: Which certification do you have?

A: The plant has passed the certificate of ISO 9001 quality system certification;
The products have passed ROHS test.

4.Q: Can i get a samples for free?

A: Of course we can sent you a sample  for free, customers just need to pay a litter shipping change.

5.Q: How long is the delivery time?

A: Generally it is 5-15 days if polyimide film price is  in stock, or it is 15-30 days.

Insulation Material Guide:

  • Composite Insulation Paper
  • Insulation Paper
  • Insulation Varnish
  • Insulation Film
  • Insulation Board
  • Insulation Sleeving
  • Insulation Tape
  • Varnished Cloth

    Our production

    Our Customer

    Our Team

    Our Certificates

Leave Us Your Feedback
Contact us