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Non-Conductive Materials/ Insulating Cardboard Paper Sheet
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
IEC641-3-1 Standard: Abides by IEC641-3-1 STANDARD for reliable electrical insulation performance.
Large Size Options: Available in large sizes up to 3000*2000mm for transformer components.
Versatile Applications: Used in transformers, motors, switches, and home electrical equipment.
Premium Material: Made of 100% pulp vitriol conifer wood with good tenacity and smooth surface.
Proven Quality: Titled GOOD QUALITY by the LIGHT INDUSTRY MINISTRY and famous in China.
Customizable Options: Color options include natural and red; adhesive can be appointed by customers.
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 are the main applications of this insulating pressboard?
A:
It is mainly used in transformer clapboards, insulation tubes, motors, high/low switches, and home electrical equipment.
Q:What standards does the product comply with?
A:
It abides by the IEC641-3-1 STANDARD and has been titled GOOD QUALITY by the LIGHT INDUSTRY MINISTRY.
Q:What are the available size dimensions?
A:
Nominal size is 1000mm*2000mm, with large sizes up to 3000*2000mm available for production.
Q:Is the color customizable?
A:
Yes, color options include natural and red, and adhesive can be appointed by customers.
Q:What is the lead time for orders?
A:
The average lead time is within 15 workdays for both peak and off-season periods.
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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