Samples Resin Glass Pressboard Epoxy Commutator Mica Heat Resistant Sheet

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$1.00 - $5.00 / Kilograms | 500 Kilogram/Kilograms (Min. Order)
Customized packaging (Min. Order: 1000 Kilograms)
Graphic customization (Min. Order: 1000 Kilograms)


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Quick Details
Place of Origin:
Hunan, China
Brand Name:
Model Number:
Insulation Sheet
Wood pulp
High Voltage
Rated Voltage:
35kv or above
Tensile Strength:
Product name:
epoxy phenol aldehyde glass cloth laminated insulation board
Insulation class:
A (105-℃)
Sheet dimension:
1000mm*2000mm,2100mm*4200mm,or as your request
Test standard:
IEC 641-2
Moisture content:
Oil Obsortion:
OEM,ODM service:
Supply Ability
Supply Ability:
100 Ton/Tons per Month epoxy phenol aldehyde glass cloth laminated insulation board
Packaging & Delivery
Packaging Details
Rolls,pallets,cartons.wooden cases
Any port of china

Samples epoxy resin glass sheet pressboard

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Technical parameter

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ItemTest standard



Standard value
Thickness toleranceIEC 641-2≤ 1.6 mm 6.00 %±7.5 %
> 1.6 - 8.0 mm 3.00 %± 5.0 %
Apparent density≤ 1.6 mm 1.09 g/cm³1.00 - 1.20 g/cm³
> 1.6 - 4.0 mm 1.15 g/cm³1.10 - 1.25 g/cm³
Min. tensile strength M.D. unfolded≤ 1.6 mm 75 N/mm²70 N/mm²
> 1.6 - 4.0 mm 90 N/mm²80 N/mm²
Min. tensile strength C.M.D, unfolded≤ 1.6 mm 60 N/mm²50 N/mm²
> 1.6 - 4.0 mm 70 N/mm²55 N/mm²
Min. elongation M.D, unfolded6.50%6.00%
Min. elongation C.M.D, unfolded8.10%8.00%
Max. moisture content7.60%8.00%
Max. ash content0.80%2.00%
pH of aqueous extract6.36.0 - 9.0
Max. shrinkage M.D0.40%0.50%
Max. shrinkage C.M.D0.60%0.70%
Max. thickness shrinkage3.90%5.00%
Min. oil absorption≤ 1.6 mm 13.7 %11.00%
> 1.6 - 4.0 mm 10.6 %9.00%
Compressibility C≤ 1.6 mm 9.4 %10.00%
> 1.6 - 4.0 mm 5.7 %7.50%
Revers. part of compressibility Crev≤ 1.6 mm 54 %45%
> 1.6 - 4.0 mm 71 %50%
Min. breakdown voltage in oil≤ 1.6 mm 15 kV/mm12 kV/mm
> 1.6 - 4.0 mm 13 kV/mm10 kV/mm
Max. conductivity of aqueous extract≤ 1.6 mm 3.3 mS/m10 mS/m
> 1.6 - 4.0 mm 3.5 mS/m10 mS/m


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Product description of epoxy phenol aldehyde glass cloth laminated insulation board          

Pressboard PSP3050 (Transformer Board PSP3050) is a special product based on pure cellulose taken from long-fibred coniferous wood. This is structured into a fibrous tissue without additional adhesive and then pressed.Due to its high chemical purity, pressboard is excellently suited as an insulation material in electric machines, capacitors and oil-filled transformers.

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Product Application of epoxy phenol aldehyde glass cloth laminated insulation board                      

To use as insulations material in Power and Distribution Transformers

It is the base material for components like corrugated boards, cyclinders, rings and mouldable parts.

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Production Flow

  From raw materials to finished products, every process is tested and controlled professionally and seriously by our professional machines and person.






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Our Services

1.Response to your inquiries and questions within 24hours.

2.Existing samples provided on free,only charge the freight.

3.High quality products and competitive offer

4.On-time delivery date

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