3021 - Phenolic Paper Laminate Sheets

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Electrical insulation material phenolic paper sheet 3021 bakelite sheet

Electrical insulation material phenolic paper sheet 3021 bakelite sheet



--3021 phenolic paper laminated sheet is made up of paper impregnated with phenolic resin by baking and heat pressing.

--The thicker Polyester film you choose, the higher electrical strength is.

--Insulation class: E class (120 °C)

--3021 phenolic paper laminated sheet has high mechanical properties.
--as insulating structural parts in electric motor, electrical equipments which request high mechanical properties, also used in transformer oil.

--The insulation system has been approved by UL (NO.: E310670) and the products have passed ROHS and RECH test. 

Detail Information:

NO. Item Unit Index value
1 Density g/cm3 1.45
2 Thermostability: 20mm or below
20mm or above
3 Bending strength(3mm or above) Mpa ≥117.6
4 Tensile strength Mpa ≥90
5 Adhesive strength N ≥3136
6 Impact-resistance strength   ≥15
7 Parallel insulation resistance:normal
after becoming damp
8 Vertical dielectric strength: withstand voltage for 5 minutes in transformer oil,1mm.  MV/m ≥16
9 Parallel breakdown voltage:withstand voltage for 5 minutes in transformer oil. Temperature 20℃±5℃. KV ≥14

Product details


Product features

--Form: Sheet or other form customized according to customer requirements.

--Colur:Orange brown and black. Special colours can be provided on request. 

--Thickness : 0.5mm-100mm.

--Size: Regular 1020*2020mm,1220*2440mm.

--Special specifications can be customized.

Yaan is a young dynamic organized and disciplined and passionate young international team 
founded by, is a growth-oriented company and thinking. Simple, stylish, personalized office 
environment has always been our style!

Our customer is all over the world,and we have more than 10 years import & export experience
All the finished products are displayed in the exhibition hall.


1.Q: Are you trading company or manufacturer ?  

A: We are a manufacturer, We have more than 32 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 insulation system has been approved by UL;
The products have passed ROHS test.

4.Q: Can i get a samples for free?

A: Of course we can sent you a sample of 3021 phenolic laminated paper sheet 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 the goods are in stock, or it is 15-30 days.

Contact Us


Company name:Henan Yaan Electric Power Technology Co., Ltd
Sales Department Address:No.1404,14 floor, builiding 5, Henan Electronic Commerce Industrial Park,26 Zhengzhou high tech Industrial Development Zone
Factory address:West Industrial Parks, Weidu District, Xuchang, Henan 461000,China
Phone:400-7707-168 0371-55572250/60 19937611577 
Fax: 0371-55626022
Whatsapp: 19937611577

Quick Details
Place of Origin:
Henan, China (Mainland)
Brand Name:
Young Elephant
Model Number:
Insulation Sheet
phenolic paper
High Voltage
Rated Voltage:
Product name:
insulation material phenolic paper sheet 3021 bakelite sheet
Standard color:
Brown, Red
3021 Phenolic resin laminated paper sheet
Work temperature:
E class (120℃)
wooden case
over 32 years

Supply Ability
Supply Ability:
100000 Kilogram/Kilograms per Month

Packaging & Delivery
Packaging Details
Epoxy fiberglass packing in pallets or wooden case according to sizes. Customized acceptable.