Can you customize the inner diameter, outer diameter, and length? How are lead times arranged?

We support full customization of ID, OD, and length with flexible MOQ. Standard sizes are in stock, while special dimensions require mold scheduling, typically 7-15 working days. Please consult our sales engineer for specific arrangements.

15% Graphite Filled PTFE Tube Anti-Static Molded Sintered Blank for Bushing Components

Name: 15% Graphite Filled PTFE Tube Anti-Static Molded Sintered Blank for Bushing Components
Brand: Zhenjiang Chunhuan Sealing Materials Co., Ltd. (Group)
SKU: 799577502

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.

15% Graphite Filled PTFE Tube

Water Absorption

＜0.01%

Contraction Percentage

＜0.4%

Tensile Strength

14-20MPa

Density

2.30-2.34G/M3

Elongation at Break

90-140%

Compression Strength

34-42MPa

Working Temp.

-180~260℃

Sample

Sample Avaliable

Certification

MSDS\RoHS\Reach

Transport Package

Standard Export Packing

Specification

as your requirement

Trademark

CHUNHUAN

Origin

China

HS Code

39209910

Production Capacity

50tons/Month

Key features

15% Graphite Filled PTFE: Enhances thermal conductivity, reduces friction, and provides antistatic properties for bushing applications.

Customizable Dimensions: Full customization available for inner diameter, outer diameter, and length with flexible MOQ.

High Mechanical Strength: Compressive strength increased by 30-40% compared to pure PTFE with significantly enhanced wear resistance.

Excellent Machinability: Blank supports turning, milling, drilling, and cutting while maintaining dimensional stability after processing.

Comprehensive Certifications: Meets ISO9001, RoHS, REACH, FDA, and MSDS standards with compliance declarations available.

Fast Sample Delivery: General samples arranged within 2-5 days with delivery via EMS, DHL, UPS, or FedEx in 5-7 working days.

24-Month Warranty: Includes free replacement or refund coverage for 24 months to ensure product quality and customer satisfaction.

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: ≤3.14h

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:Why add 15% graphite? Can pure PTFE meet the requirements?

Adding 15% graphite significantly reduces creep tendency and friction coefficient, while improving thermal conductivity and compression resistance. For bushing applications, graphite filling enables better performance under boundary lubrication or dry running conditions, reduces wear, and provides antistatic properties through certain electrical conductivity.

Q:Can this molded sintered blank tube be machined afterwards?

Absolutely. The blank offers good machinability, supporting turning, milling, drilling, and cutting. Users can finish the dimensions according to final bearing requirements, and the material maintains dimensional stability after machining.

Q:What are the specific mechanical improvements over pure PTFE tube?

Key improvements include: compressive strength increased by about 30-40%, lower coefficient of thermal expansion, significantly enhanced wear resistance, and higher load-carrying capacity. The solid lubrication of graphite also reduces starting friction torque, ideal for reciprocating or rotary motions.

Q:Does the product comply with ROHS and REACH environmental regulations?

Yes. The raw materials and production process meet ROHS and REACH directives, free from lead, hexavalent chromium, and other restricted substances. Compliance declarations and MSDS are available upon request.

Q:What are the advantages of molded sintered tube over extruded tube?

The molding process ensures more uniform dispersion of graphite filler, higher density, and no fusion lines, resulting in isotropic mechanical properties. For thick-walled or large-diameter tubes, molding avoids internal stress cracking issues common in extrusion.