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Sulfur-Free Kraft Paper Pressboard Raw Material for Transformer Core
US$5.19
200 kg
Product specifications
3000*1500
2000*1000
Product profile
Customization
AvailableApplication
Electrical Power System, Electronic Communication, Electrical Insulation PressboardColor
BrownModel NO.
Custom-made according to drawingsMaterial
100% Sulphate Wood PulpMaximum Voltage
10kv-220kvThermal Rating
A 105Thickness
0.5mm-50mmLead Time
7-10 Working DaysTransport Package
Mounted on Heavy-Duty Wooden Pallet, Firm StrappinSpecification
2000*1000*500/3000*1500*1000Trademark
XinyuanOrigin
Manufactured in Inland ChinaHS Code
4805500000Production Capacity
5, 500 Tons Per YearKey features
Made of 100% pure sulphate wood pulp, excellent high-voltage insulation performance
High-density hot-pressed structure, outstanding mechanical strength and compression resistance
Low moisture absorption & stable dimension, less shrinkage during long-term transformer operation
Great oil-resistance, perfectly compatible with oil-immersed power transformer insulating system
High dielectric breakdown strength, reliable insulation barrier for high-voltage equipment
Easy cutting, milling and machining, available to make all kinds of transformer insulation parts
Strict A-class thermal stability, suitable for continuous-working heavy-duty transformers
Flat & smooth sheet surface, no crack, impurity or deformation after high-temperature pressing
Customizable thickness & size, 0.5-50mm, OEM service for global transformer manufacturers
Factory direct supply, full inspection before delivery, cost-effective electrical insulation material
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 1 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.01h
About Our Factory & Business Background
AddressNo. 5, Erwei Road, Jingbao Sub-park, Tianjin Pharmaceutical & Medical Device Industrial Park, Beichen District, Tianjin, P. R. China
Plant Area2000 square meters
Number of Employees6
Registered Capital1,000,000 RMB
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity200 Kg
Supply Chain Partners5
Our Production Capability & Technical Expertise
Main ProductsTransformer Insulating Materials
Production Lines1
Production MachinesCNC engraving machine, Cutter saw, Flat plate pulling machine, Numerical Control Machining Center, Precision sliding saw
QA/QC inspectors1 people
Inspection Type for Finished ProductsRandom inspection(Visual inspection)
Inspection Method for Finished ProductsFinished product checked by packing staff
R&D Engineers1 people
Traceability of Raw MaterialsNo
Our Industry Experience & Global Business Record
Year of Establishment2026-03-09
Main MarketsDomestic
Repeat Buyers Choice50%~80%
Number of Foreign Trading Staff2
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:What material is your transformer insulation pressboard made of?
A:
It is produced from 100% pure sulphate wood-pulp, no recycled paper, high-purity raw material for oil-immersed transformers.
Q:What is its thermal-resistance temperature class?
A:
Class-A insulation grade, long-term working temperature up to 105degrees Celsius.
Q:What's the maximum transformer voltage level this pressboard can support?
A:
Standard products are suitable for 110kV-500kV transformers. High-density pre-compressed version can be used for 750kV & HVDC converter transformers.
Q:What thickness ranges can you supply?
A:
Available thickness: 0.5mm-45mm. Custom cutting & CNC machining services are offered.
Q:What is your standard production lead-time?
A:
Standard lead-time is 7-10 working days after receiving your deposit.
Send Inquiry
*To:
Xinyuan Technology (Tianjin) Co., Ltd.
Xinyuan Technology (Tianjin) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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