Black Gray electrical insulation vulcanized fiber sheet

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$2.00 - $10.00 / Kilograms | 100 Kilogram/Kilograms vulcanized fiber sheet (Min. Order)
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Quick Details
Place of Origin:
Liaoning, China
Brand Name:
Model Number:
red electrical insulation fiber board
High Voltage, Insulation tube
craft pulp
Electrical Equipment & Supplies, High Voltage
Rated Voltage:
Tensile Strength:
as below
white black red gray
for transformer insulation
Supply Ability
Supply Ability:
100 Ton/Tons per Month vulcanized fiber sheet
Packaging & Delivery
Packaging Details
Black Gray electrical insulation vulcanized fiber sheet
packing:in pallets or wooden case according to sizes. Customized acceptable
Lead Time :
Shipped in 15 days after payment

Black Gray electrical insulation vulcanized fiber sheet

Product Description


1 what is the red electrical insulation fiber board  ?


 The product is produced by 100% sulphate pulp refined proceesed.product has a high chemical purity,good elongation,electrical performace,high mechanical strength properties.


2 what is the technical of red electrical insulation fiber board ?

1Nominal thickness tolerance%≤10(±)
2Nominal Grammageg/cm31.00~1.201.00~1.251.15~1.30
3Shear strength,M.D.Mpa≥100≥105≥110
4Shear strength,C.M.D.Mpa≥75≥80≥85
5Elongation (M.D.)%≥3.0
6Elongation (C.M.D.)%≥4.0
8Shrinkage which would resume%≥45≥50≥50
 Thickness direction≤4.0
12Moisture content%≤6.0
13Ash content%≤1.0
14Electrical conductivity of aquesous extractms/m≤1.6>1.6~3.0>3.0
15Aquesous extract (PH)6~9
16Oil absorption%≥11.0≥9.0≥7.0
17Voltage resistant strength(In air)MV/m≥12≥11≥10
18Voltage resistant strength(In oil)MV/m≥40≥35≥30


3 what is the application of red electrical insulation fiber board ?


it shouled be noted storage environment,storage in need of rain,moisture,fire,dust,sunlight exposure is strictly prohibited,to avoid prolonged exposed to the air.against direct contact with the ground,should be placed in a flat,dry on a wooden bracket,such as the use could not finish,after opening the granary,and the rest should be re-sealed to ensure that use of the product performance.colored insulating paperproducts should not be used for oil-immersed transformers and oil-immersed insulation components.



Packaging & Shipping





Our Services


  We also CNC to your CAD drawing, cut to size customized, and sell full sheets in quantity. This epoxy glass fabric laminated sheets material is also available THINNER and THICKER. Please call our Sales Department for information.








(1). Q: Can you give me a discount price?

A: It is depending on the volume. The larger the volume is, the more discount you can enjoy.

(2). Q: Why is your price a bit higher than other Chinese suppliers?

A: To meet the requirement of different customers and areas, our factory manufactures various kinds of quality for each item at a wide range of price. We can offer the products of different quality levels depending on customer’s target price and quality requirement.

(3). Q: How can I get a sample?

A: Normally small samples can be sent free of charge and customers just need to bear a little shipping charge, or you can provide your DHL,FEDEX,EMS,UPS courier account number to us. For bigger sizes, it depends.

(4). Q: How can you guarantee the quality of mass production is same with the sample sent to me before?

A: Our warehouse staff will leave another same sample in our company, with your company name marked on it, which our production will be based on.

(5). Q: How can you deal with quality issues that customer feedback after receiving the goods?

1) Customers take photos of unqualified goods and then our sales staff will send them to Engineering Department to verify. 

2) If the issue is confirmed, our sales staff will explain the root cause and take corrective actions in coming orders.

3) Finally, we will negotiate with our customers to make some compensation. 



Company Information


Over 20 years’ experience for Producing and Selling Insulation Materials.


---- Insulation Material Experts for supporting transformers, electric machinery.


---- Best price, customer size available.


---- Delivery speed is fast, 10 to 20 days.


---- High quality products similar to international brands.


---- Offer a wide range of insulation materials, such as laminated boards, bars, tubes, molded products, composite materials, dipping materials, insulating paper, insulating ribbon, insulation varnish, mica products, engineering plastics.


---- Close to China’s port----Dalian Port.







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