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Transformer Pressboard/High Density Pre-Compressed Pressboard for Transformer
US$1.50-3.00
1,000 kg
Sample price:US$10.00/kg.Request sample
Product profile
Customization
AvailableApplication
Transformer, Electrical Winding Insulation, TransformersColor
BrownModel NO.
TPCBMaterial
PressboardMaximum Voltage
20KV~100KVThermal Rating
A 105Type
SolidChemistry
Organic InsulationClassification
Organic Insulating MaterialCertification
ISO9001Brand
CaterlinxTransport Package
CartonsSpecification
0.8mm to 10mm ThkTrademark
CATERLINXOrigin
ChinaHS Code
4811599000Production Capacity
2000kgs/MonthKey features
High Mechanical Strength: Made of insulated non-bleached sulphate wood pulp for superior tensile strength and elongation.
Low Compressibility: Engineered for excellent bending performance and minimal compression under pressure.
Wide Voltage Range: Suitable for applications ranging from 20KV to 100KV in transformers and reactors.
Thermal Rating A 105: Designed to withstand operating temperatures up to 105 degrees Celsius.
ISO9001 Certified: Manufactured under strict quality management systems certified by ISO9001.
Standard Compliance: Meets IEC60641-3-1:2008 standards for electrical insulation materials.
Flexible Dimensions: Available in thickness 0.8mm-10mm and various standard sheet sizes.
Organic Insulation: Solid organic insulation material ideal for power transmission equipment.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-02-01Nearest Port: Shanghai, Ningbo, XingangAverage Response Time: ≤10.36hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
AI-Powered supplier vetting
SummaryThe supplier is identified as Starrysky Industrial (Shanghai) Co., Ltd., a China-based limited company described as both a trading company and manufacturer/factory. The available evidence shows OEM and ODM capability, full customization, 3D design services, recent new-product activity, raw-material traceability, and 100% finished-product inspection. It offers overseas service through agents or branches and provides debugging and maintenance services in India, but has no overseas warehouse or showroom and no recorded offline trade-show participation. Service procedures exist for supplier assessment, corrective actions, and complaints, yet written records are absent. Financial information is limited to year labels rather than performance figures, so financial credibility cannot be assessed. No certification information is provided. Customer references are limited to a separate company description stating service to more than 200 worldwide customers, and the relationship to the named supplier is not...
Supplier typeThe supplier is identified as Starrysky Industrial (Shanghai) Co., Ltd., headquartered in Shanghai, China, and classified as both a trading company and manufacturer/factory. Its listed product is transformer porcelain bushings, while the registration date shown is January 2025.
R&D capabilityThe supplier reports full-customization R&D design capability, 3D software design services, ODM availability, and at least one new product within the past year. It does not provide an SDK, but that limitation does not negate the demonstrated product-development capabilities.
Production capacityThe supplier is described as both a manufacturer/factory and trading company and offers transformer-related materials or products. Evidence of raw-material traceability, 100% finished-product inspection, and standardized inspection instructions supports production and quality-control capability, although production capacity is not stated.
Customization capabilityThe supplier explicitly offers full customization for design and R&D services, supported by 3D software design and ODM services. This is direct evidence of capability to develop customized components or products.
Product Q&A
Q:What is the thermal rating of the pressboard?
A:
The thermal rating is A 105, suitable for high-temperature environments.
Q:What voltage range does this product support?
A:
It supports a maximum voltage range from 20KV to 100KV.
Q:Is the product ISO9001 certified?
A:
Yes, the product holds ISO9001 certification for quality assurance.
Q:What are the available thickness options?
A:
Thickness ranges from 0.8mm to 10mm depending on requirements.
Q:What is the lead time for production?
A:
The average lead time is 1-3 months for both peak and off-peak seasons.
Send Inquiry
*To:
Starrysky Industrial (Shanghai) Co., Ltd.
Starrysky Industrial (Shanghai) Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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