What is the storage life?

12 months. Still effective if qualified in retest after 12 months.

Diamond Dotted Paper DDP Paper for Electrical Transformer

Name: Diamond Dotted Paper DDP Paper for Electrical Transformer
Brand: XIN CHENG INDUSTRY MATERIAL CO., LTD.
SKU: 740085962

Tianjin, ChinaXIN CHENG INDUSTRY MATERIAL CO., LTD.

US$1.00-9.00

500 kg

Sample price:US$0.00/kg.Request sample

Product profile

Customization

Available

Application

Motor, Transformer, Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Insulating Varnish, Switch Baseplate, Oil Immersed Transformers Insulation

Color

Brown

Model NO.

Diamond Dotted Paper DDP Paper for Electrical Tran

Material

Insulation Paper and Resin, Wood Pulp

Maximum Voltage

>100KV

Thermal Rating

A 105

Thickness

0.08, 0.13, 0.18, 0.20, 0.25mm, 0.38mm, 0.5mm, etc

Product Name

Diamond Dotted DDP Electrical Insulating Paper

Related Product

Pressboard, Craft Paper, DMD. Nmn and So on

Usage

Electrical Insulation for Transformer

Model Number

DDP, Cable Paper, Kraft Coated with Heat

Temp.Class

a Class

Rated Voltage

6~24kv/Layer

Width

20-1900mm or Customized

Ash Content

≤0.7% as Below

OEM

Available

Chemistry

Inorganic Insulation

Classification

Inorganic Insulation Material

Certification

ISO9001

Type

Insulation Paper, Insulation Paper DDP Diamond DOT

Brand

Xincheng

Transport Package

Pallet

Specification

ROLL

Trademark

XINCHENG

Origin

China

HS Code

4811490000

Production Capacity

5000t/Year

Key features

High Dielectric Strength: Dielectric breakdown voltage up to 23.5 KV/layer in oil test for superior insulation.

Customizable Width and Thickness: Width ranges from 20mm to 1900mm; thickness options from 0.08mm to 0.5mm available.

OEM and ODM Services: Full customization support with QC inspection reports submitted before shipment.

Fast Sample Delivery: Stock samples delivered within 5 days; sample fees refundable upon order placement.

Oil Permeability Design: Diamond-dotted pattern minimizes resin soakage, ensuring oil penetration and reducing corona damage.

ISO 9001 Certified: Manufacturing process meets international quality standards with strict material purity.

Company profile

XIN CHENG INDUSTRY MATERIAL CO., LTD.

Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2012-01-01Nearest Port: TianjinAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryXIN CHENG INDUSTRY MATERIAL CO., LTD. is identified as a China-based manufacturer/factory in Tianjin, although another record describes the company as a trading company, creating an entity-classification inconsistency. It offers electrical insulation and FRP-related products, reports ISO 9000 certification, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Reported enameled aluminum wire capacity is 5,000 tons annually, with export activity since 2012 and markets across Eastern Europe, North America, Southeast Asia, and Africa. The supplier states that it emphasizes quality and after-sales service, but the provided information does not independently verify service performance, customization capability, or customer cases. Financial credibility cannot be fully assessed from the available non-financial records.

CertificationsThe supplier reports holding ISO 9000 certification. This is explicit evidence of a stated management-system certification, although no certificate scope, issuing body, or validity details are provided.

After-Sales capabilityThe company explicitly describes after-sales service, quality, reputation, and customer satisfaction as important priorities, and states that it aims to satisfy clients who remain with the company. These statements support a claimed service orientation, but do not document service processes or verified outcomes.

R&D capabilityThe supplier states that it values future innovation and reports 6–10 years of total R&D-engineer experience. This supports the existence of some R&D capability, but no specific innovations, patents, development projects, or technical achievements are provided.

Production capacityThe supplier reports annual enameled aluminum wire productivity of 5,000 tons, more than 10 production lines, 6–10 quality-control staff, and lead times of within 15 working days off-peak and one month during peak season. These figures provide explicit evidence of established production capacity and operational support.

Product Q&A

Q:How about certificate?

Professional certificate, if you want to do certification, pls feel free to tell us, we will consider to make it as fact.

Q:What about the samples delivery?

As our company rules, we usually provide sample before you decide to place an order. Stock sample will be delivered within 5 days. Proofing will depend on the actual situation

Q:What about the samples fee?

Some samples are free, you just need to pay for the freight fee; we will charge some fee if proof produced. Later if an order placed, the sample fee is refundable.

Q:What is the delivery time?

10 days after payment.

Q:Do you provide OEM services?

Yes, we provide OEM/ODM service on insulation material, and our QC will submit inspection report before shipment.