Customized Graphite Carbon Fiber Hybrid Filled Molded PTFE Tube for Dynamic Seals

Name: Customized Graphite Carbon Fiber Hybrid Filled Molded PTFE Tube for Dynamic Seals
Brand: Zhenjiang Chunhuan Sealing Materials Co., Ltd. (Group)
SKU: 1900172745

Jiangsu, ChinaZhenjiang Chunhuan Sealing Materials Co., Ltd. (Group)

US$8.80

10-99 kg

US$7.80

100-999 kg

US$7.20

1,000+ kg

Sample price:US$1.00/piece.Request sample

Product profile

After-sales Service

Free Replacement or Refund

Warranty

24 Months

Material

PTFE

Model NO.

Hybrid Filled Molded PTFE Tube

Water Absorption

＜0.01%

Contraction Percentage

＜0.4%

Tensile Strength

16-22MPa

Elongtion at Break

120-200%

Density

2.22 ~ 2.30G/M3

Dynamic Coefficient of Friction

0.11 ~ 0.18

Working Temp.

-180~260℃

Linear Expansion Coefficient (25~100℃)

7 ~ 9

Transport Package

Standard Export Packing

Specification

as your requirement

Trademark

CHUNHUAN

Origin

China

HS Code

39209910

Production Capacity

50tons/Month

Key features

High Wear Resistance: Graphite/carbon fiber hybrid filling reduces volumetric wear rate by 60%-80% compared to virgin PTFE.

Wide Customization Range: Customizable ID from 10mm, OD up to 500mm+, and wall thickness from 5mm to 100mm.

Excellent Chemical Resistance: PTFE matrix resists almost all chemicals; fillers remain stable in common acids and alkalis without leaching.

Fast Delivery: General samples arranged within 2-5 days; bulk orders (2 tons) produced within 15 days.

24/7 Technical Support: Inquiries replied within 2 hours during work time and 24 hours during rest time.

Comprehensive Certifications: ISO9001, MSDS, RoHS, REACH, and Certificate of Origin available.

Company profile

Self-brandedYears of Export ExperienceImporters and ExportersHigh Repeat Buyers Choice

Zhenjiang Chunhuan Sealing Materials Co., Ltd. (Group)

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.37h

AI-Powered supplier vetting

SummaryZhenjiang Chunhuan Sealing Materials Co., Ltd. (Group) is identified as a manufacturer and trading company with its own export license, 186 employees, and more than 30 years of operating history. It produces PTFE sheets, rods, gaskets, and related plastic products, and reports ISO9001, MSDS, RoHS, REACH, and ASTM 3308 credentials. The supplier supports extensive customization and has documented inspection, corrective-action, complaint-handling, and traceability procedures. It reports inventory capability, one-month average lead times in both peak and off-season, and 20 years of export experience. However, it does not provide 3D software design services, has no available SDK, overseas warehouse, overseas showroom, overseas agent or branch, and has not participated in offline trade shows. No valid manufacturing-capacity contract with related subcontractors is reported. Financial information is referenced for 2020–2022, but the provided slices do not disclose sufficient financial results to assess...

Supplier typeThe supplier is explicitly described as both a manufacturer and trading company with its own export license. Its stated activities include manufacturing plastic products and processing machine elements and spare parts, supporting classification as a manufacturing-oriented supplier.

CertificationsThe supplier reports ISO9001, MSDS, RoHS, REACH, and ASTM 3308 credentials, while the sustainability-related certification is specified as ISO9001:2015. These stated certifications provide explicit evidence of certification holdings, although the slices do not verify their scope or current validity dates.

After-Sales capabilityThe supplier has clear procedures and followed records for handling customer complaints, as well as corrective and preventive actions. This directly supports an established after-sales issue-management process.

Production capacityThe supplier identifies itself as a manufacturer with 186 employees and established plastic-product production, reports in-stock capability, and states one-month average lead times in both peak and off-season. However, it also reports no valid manufacturing-capacity contract with related subcontractors, so the evidence demonstrates internal production capability but leaves outsourced-capacity controls as a limitation.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, minor customization, and flexible customization. This is direct evidence of a broad customization service range.

Product Q&A

Q:How much does the hybrid filling improve wear resistance for dynamic sealing?

Compared with virgin PTFE, graphite/carbon fiber hybrid filling can reduce volumetric wear rate by approximately 60%~80% (depending on test conditions). The carbon fiber acts as a reinforcing skeleton, while graphite provides boundary lubrication, significantly reducing adhesive wear on sealing surfaces, especially at high speeds or with particle-laden media.

Q:Can this tubing resist alkaline or acidic media? Will the fillers corrode or leach out?

The PTFE matrix resists almost all chemicals, and both graphite and carbon fiber are inert, remaining stable in common acids and alkalis without leaching or corrosion. However, for strong oxidizing media or hot concentrated sulfuric acid, please provide your specific media for our assessment - we may adjust the filler formulation accordingly.

Q:What are the minimum ID, maximum OD, and wall thickness you can customize?

Molding allows a wide size range - typically ID as small as 10mm, OD up to 500mm or more, and wall thickness from 5mm to 100mm. Our engineers will advise feasible ranges based on your drawings and our mold/sintering furnace capacity to ensure quality.

Q:Is this material compliant with food or medical grades? Can you provide compliance certificates?

The PTFE matrix meets FDA 21 CFR 177.1550, but graphite and carbon fiber fillers are generally not allowed for direct food contact by FDA. Therefore, this product is not recommended for food or pharmaceutical contact. For industrial seals, we can provide ROHS, REACH, and MSDS documentation to meet environmental and export requirements.