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Graphite Carbon Modified PTFE Guide Ring PTFE Pneumatic Piston Ring with Split
US$0.50-1.50
1 kg
Sample price:US$1.00/piece.Request sample
Product profile
After-sales Service
Free Replacement or RefundCertification
RoHS, SGS, MSDS,ReachApplication
Excavator, TractorModel NO.
Modified PTFE Guide RingMaterial
PTFEHigh Precision
Strict Dimensional ToleranceDrawing Format
2D/(Pdf/CAD)3D(Iges/Step)Sample
Sample AvailableUsage
Chemical and Electrical PropertiesCertificate
MSDS\RoHS\ReachTransport Package
Wooden BoxesSpecification
as your requirementTrademark
CHUNHUANOrigin
ChinaHS Code
39209910Production Capacity
200 Tons/MonthKey features
Customizable Dimensions: Custom OD, ID, width, and split gap available based on customer requirements.
Superior Wear Resistance: Excellent self-lubrication, low friction, and anti-creep performance for long service life.
Multiple Material Options: Available with fillers like Bronze, Glass Fiber, Carbon, Graphite, and Molybdenum Disulfide.
Fast Sample Delivery: General samples can be arranged within 2-5 days, with bulk delivery in 15 days.
Comprehensive Certifications: Certified with ISO9001, RoHS, REACH, and MSDS for quality and safety assurance.
Flexible Customization: Supports full customization from samples, designs, and minor adjustments to meet specific needs.
High Precision Machining: CNC machined with strict dimensional tolerance to ensure perfect fit and function.
Company profile
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: ≤2.63h
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:What advantages do graphite and carbon modified PTFE offer over pure PTFE in pneumatic piston and guide rings?
A:
Graphite and carbon filling significantly improve compressive strength, rigidity, and creep resistance while lowering friction and enhancing thermal conductivity. In pneumatic reciprocating motion, it better withstands side loads and frequent starts/stops, reduces cold flow deformation, and maintains stable guide clearance and sealing pressure.
Q:What are the practical benefits of the split design, and what should I note during installation?
A:
A split ring can be installed radially into the groove without removing the entire piston rod or cylinder, making it ideal for on-site maintenance and large equipment service. During installation, ensure the cut ends align, surfaces are clean, and the cut gap is within the recommended range; too tight or too loose will affect sealing and guiding.
Q:Is it suitable for oil-free or minimal-lubrication pneumatic systems?
A:
Yes. Graphite and carbon filling provide good self-lubrication and low friction, allowing operation with no or minimal oil and reducing dependence on external lubrication. However, at high speed or load, heat dissipation and wear life should still be evaluated; please provide operating parameters.
Q:What split gap styles are available? Can they be customized to my groove dimensions?
A:
Common gap styles include straight cut, angle cut, and lap joint, selectable based on sealing requirements and installation method. ID, OD, thickness, gap clearance, and ring width can all be customized per drawings. Please provide groove dimensions, rod diameter, and operating conditions so we can help determine the right variant.
Q:Is graphite/carbon filled PTFE FDA-compliant or food-grade?
A:
No. Graphite and carbon filled versions generally do not meet FDA food-contact requirements and are not recommended for direct contact with food, pharmaceuticals, or drinking water. They are mainly for industrial pneumatic and hydraulic sealing. For food-grade needs, choose pure PTFE or FDA-compliant unfilled grades.
Send Inquiry
*To:
Zhenjiang Chunhuan Sealing Materials Co., Ltd. (Group)
Zhenjiang Chunhuan Sealing Materials Co., Ltd. (Group)*Content:
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