Ningbo XiaYi Electromechanical Technology Co.,Ltd.
| Elongation @ break | 300% |
| Application | shock absorber |
| Delivery Time | one week for new samples |
| Hardness | 57-61 |
| Payment Terms | T/T,,L/C |
| Material | filled PTFE |
| Color | Black |
| Production machine | Automatic pressing |
| Supply Ability | 50,000pcs per day |
| Product Name | PTFE ring |
| OD | 38mm |
| Packaging Details | Packed in plastic bag, then in carton with standard export package |
| Model Number | Customized PTFE gaslet |
| Brand Name | XIAYI |
| Certification | IATF16949:2016 |
| Place of Origin | NINGBO,CHINA |
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Product Specification
| Elongation @ break | 300% | Application | shock absorber |
| Delivery Time | one week for new samples | Hardness | 57-61 |
| Payment Terms | T/T,,L/C | Material | filled PTFE |
| Color | Black | Production machine | Automatic pressing |
| Supply Ability | 50,000pcs per day | Product Name | PTFE ring |
| OD | 38mm | Packaging Details | Packed in plastic bag, then in carton with standard export package |
| Model Number | Customized PTFE gaslet | Brand Name | XIAYI |
| Certification | IATF16949:2016 | Place of Origin | NINGBO,CHINA |
| High Light | PTFE ring seal for shock absorbers ，wear resistant PTFE gasket ，motorcycle shock absorber PTFE ring | ||
This wear-resistant PTFE ring seal is engineered specifically for motorcycle shock absorber applications where compact dimensions, reliable dynamic sealing, and extended service intervals are essential. CNC-machined to precise tolerances from filled PTFE compounds, it delivers consistent sealing performance across diverse temperature and load conditions encountered in two-wheeler suspension systems.
Addressing Your Application ChallengesMotorcycle-Specific Packaging Constraints: Motorcycle dampers operate in significantly smaller packages than automotive equivalents, demanding compact seal geometries that still maintain full functionality. Our CNC machining capability produces rings from 20mm to 400mm diameter with precise ID/OD control, fitting the tightest packaging envelopes without compromising sealing integrity.
Dual-Sport and Off-Road Durability: Adventure and motocross motorcycles subject suspension seals to extreme dust, mud, and debris contamination. Our filled PTFE compounds with optimized hardness (57-61 Shore D) provide excellent abrasion resistance, preventing premature seal degradation in dirty operating environments without sacrificing low-friction sliding performance.
Start-Up Stick-Slip in Cold Conditions: Motorcycles parked in cold weather experience elevated breakaway friction when the suspension first articulates, causing harsh initial ride quality. PTFE's minimal start-up friction and smooth movement characteristics — even at very low speeds — eliminate stick-slip (creeping phenomenon), delivering consistent damping feel from the first millimeter of travel.
Food-Grade and Clean-Application Compliance: Certain specialty damper applications in food processing or pharmaceutical equipment require non-toxic, tasteless seal materials. Virgin PTFE is FDA-compliant and food-grade certified, making these rings suitable for applications where incidental fluid contact is possible.
Custom Fill Formulation Needs: Off-the-shelf PTFE compounds may not optimize for your specific fluid type, pressure range, or wear requirement. We offer custom filler formulations — blending PTFE with carbon fiber, glass fiber, bronze, graphite, or MoS₂ in customer-specified ratios — to create application-specific compounds that outperform generic alternatives.
| properties | unit | result |
| Apparent density | g/cm3 | 2.10-2.30 |
| Tensile strength(min) | MPa | 15.0 |
| Ultimate elongation(min) | % | 150 |
| Working Temp. | ℃ | -180~260 |
| Melting point | ℃ | 327 |
| Produce Max Temp. | ℃ | 385 |
| Size | mm | 20mm~400mm |
1) Good quality PTFE ring
2) Different sizes of PTFE washers
3) Different materials of PTFE washers, can add different fillers
4) There are standard and nonstandard products as you request.
5) High quality with low cost and short delivery time.
6) We can do custom order by drawing, sample or draft with your ideas
Products Name: From your specification Custom PTFE ring
Material Comparison: PTFE, Filler PTFE
Application: Industry, Chemistry and so on
Design: By Customer
Processing Method: By CNC Machine
1) Apparent density: 2.10 - 2.30g/cm³
2) Tensile strength: >15.0Mpa
3) Ultimate elongation: >150%
1. Good sealing effect in Dynamic and static sealing
2. Minimal start-up and movement friction, smooth movement even at low speeds, no creeping phenomenon.
3. Good abrasion.
4. Excellent sliding performance.
5. Easy to install
6. PTFE is anticorrosive, non-toxic, tasteless, and food grade.
A. Shafts
B. Valve Components
C. Automatic Door Components
D. Cable/ Electronic Connector
E. Fire Suppression System Components
F. Fittings/ Fasteners
G. Gears/ Hardware
H. Roller Bearings
Professional manufacturer for many years
Quality control and cost control
Short delivery
Factory price
FDA / ROHS / ISO
Motorcycle dampers present unique challenges: compact packaging, higher operating frequencies due to shorter suspension travel, and exposure to road debris and weather. Our rings address these through CNC-machined precision (tight ID/OD tolerances for small-bore dampers), filled PTFE compounds with Shore D 57-61 hardness for wear resistance, and PTFE's inherent low-temperature performance that eliminates the cold-weather harshness common with elastomeric seals.
Q2: Can you formulate a custom PTFE compound optimized for my specific damper fluid?Yes. We develop custom filler packages tailored to your damper fluid chemistry. For synthetic oils with aggressive additive packages, we may recommend increased carbon fiber or graphite content for enhanced chemical resistance. For mineral oil-based systems, bronze-filled compounds can provide cost-effective performance. Our material lab can conduct compatibility testing with your specified fluid before production commitment.
Q3: What is the advantage of CNC machining over direct molding for PTFE rings?CNC machining from compression-molded PTFE stock offers several advantages: tighter dimensional tolerances (typically ±0.02mm achievable), elimination of mold parting line flash, superior surface finish on sealing surfaces, faster prototype turnaround (no mold fabrication required), and cost-effectiveness for low-to-medium production volumes. For high-volume programs exceeding 100,000 pieces annually, we typically transition to dedicated mold tooling for optimized unit cost.
Q4: Are your PTFE rings FDA and RoHS compliant?Our virgin PTFE grades are FDA-compliant for food contact (21 CFR 177.1550) and RoHS compliant (2011/65/EU). Filled grades containing carbon fiber, glass fiber, or graphite are RoHS compliant but may not be suitable for direct food contact. We provide full material compliance documentation with each shipment. Please specify your regulatory requirements when ordering.
Q5: How do you ensure consistent quality for custom-sized PTFE rings?Each custom ring program follows a structured quality plan: first-article inspection (FAI) with full dimensional layout, material certification with lot traceability, process capability study (Cpk ≥ 1.33) during pilot production, and ongoing statistical process control for volume production. Our IATF 16949:2016 certification ensures automotive-grade quality systems are applied to every order regardless of volume.
Q6: What is your typical delivery timeline for custom ring orders?For CNC-machined rings from stock PTFE compounds, delivery is typically 5-7 working days. For rings requiring custom filler formulation or new mold tooling, prototype delivery is approximately one week. Volume production lead time is 10-25 days depending on quantity and complexity. Rush orders are accommodated whenever possible — please communicate your target date during quotation.
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
1500000-5000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust... Founded in 2006 and headquartered in the strategic port city of Ningbo, China, XIAYI is a premier high-tech manufacturer specializing in the research, development, and production of precision shock absorber components and automated assembly equipment. With nearly two decades of indust...
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