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Ransformer Electrical Materials Pressboard Lamination Insulating Paperboard
US$1.20-1.70
1,000 kg
Product profile
Customization
AvailableApplication
Building Material, Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Laboratory Equipment, Medical EquipmentColor
BrownModel NO.
pressboardMaterial
FiberglassMaximum Voltage
10kv~20kvThermal Rating
H 180Type
Insulation SheetChemistry
Organic InsulationClassification
Organic Insulating MaterialCertification
ISO9001Brand
RainyanTransport Package
PalletSpecification
0.5mm-40mmTrademark
rainyanOrigin
ChinaProduction Capacity
100000kg/DayKey features
High Voltage Resistance: Resistant to voltage under 110KV with breakdown voltage up to 39.8 KV/mm.
Superior Mechanical Strength: Offers better mechanical and insulation strength compared to laminated wood.
Large Size Production Capability: Capable of delivering large size laminated boards up to 3000*2000mm.
IEC Standard Compliance: Abides by IEC641-3-1 STANDARD for quality assurance.
Premium Material Composition: Made from 100% pulp vitriol conifer wood for durability.
Versatile Application Range: Suitable for transformers, motors, switches, and home electrical equipment.
Customizable Adhesive Options: Adhesive on both sides can be appointed by customers.
ISO9001 Certified Quality: Manufactured under ISO9001 certification standards.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2001-02-01Nearest Port: qingdao, shanghai, tianjinAverage Response Time: ≤18hTerms of Payment: LC, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, FCA
AI-Powered supplier vetting
SummaryXuchang Rainyan Insulation Material Co., Ltd. is identified as a Chinese manufacturer/factory producing electrical insulation materials and related products. It reports ISO 9001 and QC 080000 certifications, broad export coverage, and customization based on customer samples. However, the evidence indicates limited R&D and service infrastructure: no ODM, 3D design, SDK, recent product development, written complaint-handling or corrective-action procedures, warehouse control process, or quality assurance system. Quality-control resources are reported inconsistently, with one inspection staff member and no test equipment in one slice, while another reports 11–20 quality-control staff. Financial records are referenced for 2021–2023, but no financial figures or substantive performance evidence are provided. No customer names, case studies, or verified brand-OEM experience are disclosed.
Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company based in Henan, China. Its stated product scope covers polyester film, polyimide tape, pressboard, insulation paper, laminated sheet, and other insulation-related products, while the company description links its products to transformers and electrical motors.
CertificationsThe supplier reports holding ISO 9001 and QC 080000 certifications. The slices identify the certifications but do not provide certificate numbers, validity dates, scope, or independent verification.
After-Sales capabilityThe supplier states that it offers warm-hearted service, but it explicitly reports no written procedures or records for customer complaints and no written corrective and preventive action procedures or records. This demonstrates a documented service-process deficiency.
R&D capabilityThe supplier reports no professional technical R&D capability, no 3D software design, no ODM service, no SDK, and no new products in the past year. Although sample provision is described as an R&D engineer responsibility, the overall evidence shows explicit limitations in innovation and formal R&D capability.
Production capacityThe supplier reports annual production information of 3,240 laminated sheets and 50,000 tons, exports to multiple global regions, and has operated as an exporter for five years. However, quality-control infrastructure appears weak or inconsistent: one slice reports one inspection staff member and zero testing equipment, while another reports 11–20 quality-control staff; finished products are checked by packing staff.
Customization capabilityThe supplier explicitly offers customization from samples and states that its R&D engineer provides samples according to customer requirements. No evidence is provided for broader engineering design, 3D design, ODM, or SDK-based customization, so the demonstrated capability is limited to sample-based customization.
Product Q&A
Q:What is the maximum voltage resistance?
A:
The product is resistant to voltage under 110KV with a breakdown voltage of 39.8 KV/mm.
Q:What are the available dimensions?
A:
Standard dimensions are 1000mm*2000mm, with large size production up to 3000*2000mm available.
Q:What material is used to make the pressboard?
A:
It is made up of 100% pulp vitriol conifer wood.
Q:Can the adhesive be customized?
A:
Yes, the adhesive on both sides can be appointed by customers.
Q:What standards does the product comply with?
A:
The product abides by the IEC641-3-1 STANDARD.
Send Inquiry
*To:
Xuchang Rainyan Insulation Material Co., Ltd.
Xuchang Rainyan Insulation Material Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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