Black Gray electrical insulation vulcanized fiber sheet

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$3.80 - $5.80 / Kilograms | 10 Kilogram/Kilograms (Min. Order)
Processing part (Min. Order: 50 Kilograms)
$1.00 /Kilograms | 1 Kilograms (Min. Order) | Buy Samples
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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

lack Gray electrical insulatiovulcanized 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





Company Information



Shenyang Youda Insulation Materials - Insulation Material Specialist for supporting Transformer and Electric machinery. Shenyang Youda Insulation Materials Co., Ltd. was founded in 1990, private high-tech enterprise with R&D, production, sales, and exporting.


Our company is specialized in producing, processing, selling different kinds 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. Our products are widely used for transformer, electric machinery, mutual inductor, electric reactor, heavy industry machinery, mine, railway, aerospace and so on.


Our company takes the core value of technology - leading, supreme customers, honesty and trustworthiness. Safety production, quality guaranteed, eco-friendly material is our promise. All the staff in Youda will provide high-quality products and best service for domestic and abroad customers through our exquisite technology and our best work style.


(1). Q: Can you give me a discount price?
A: It is depending on the volume.  
(2). Q: Why is your price higher than other suppliers?
A:  We can offer the products of different quality levels depends on customer’s target price and quality requirement.
 (3). Q: How can I get a sample?
A: Non custom samples are free of charge. You only pay for the goods. We promise to deliver the sample within 48 hours. 
(4). Q: How can you guarantee the quality of mass production is same with the sample sent to me before?
A: Our process will  base on the samples which is the same as yours.   
(5).How do I know the progress of my product? 
Production department upload production schedule every day, you only need to consult the customer service staff.


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