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PTFE Back up Ring O Ring Bronze Seals PU PTFE Hydraulic Seals
US$0.02-1.90
100 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableMaterial
PTFEApplication
PumpsModel NO.
PTFE Back up RingType
Dust SealPerformance
WearShape
Rectangle RingStandard
Standard, NonstandardStorage Life
10yearsSize
CustomizeLead Time
15daysColor
Brown/Black/Orange...etcTransport Package
Polybag and CartonSpecification
AS568/BS1516/C92/V. S. G. PTrademark
BomanOrigin
ChinaHS Code
4016931000Production Capacity
100000PCS/MonthKey features
Premium Raw Materials: Uses top brands like DuPont, Dow Corning, Bayer, and 3M for superior quality.
Extensive Size Range: ID from 4mm to 1m standard, with custom sizes over 6m ID and 30m cross-section available.
Wide Application Scope: Suitable for metallurgical, chemical, mining, petroleum machinery, and various instrumentation.
High Pressure Resistance: Designed to withstand operation conditions with pressure up to 50MPa.
Comprehensive Certifications: ISO/TS 16949:2009 certified with WRAS, KTW, FDA, RoHS, and Reach compliance.
Flexible Customization: Accepts all customized sizes and colors including Brown, Black, and Orange.
Versatile Hardness: Hardness options range from 20 Shore A to 95 Shore A to meet specific needs.
Fast Lead Time: Average lead time is within 15 workdays for both peak and off-season periods.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2010-09-08Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryNingbo Boman Mechanical & Technology Co., Ltd. is identified as a China-based manufacturer/factory producing rubber seals and related rubber, plastic, and silicone products. The supplier reports four production lines, 31–40 quality-control staff, and stated annual output across several product categories. It claims more than 12 years of export experience in one description and more than 15 years in another, with exports representing 71%–90% of total sales. Certifications listed include IATF 16949/TS 16949, ISO 9001, ISO 14001, ISO 20000, and product-related compliance certifications. Evidence also supports customization through a technical team that can adjust rubber formulas and an in-house mold department. The supplier states that it serves several global top 500 companies and offers a recall response for defective cargo, but no independently verified customer names or service-performance records are provided. Financial strength cannot be assessed because financial figures are excluded.
CertificationsThe supplier lists TS 16949, ISO 9001, ISO 14001, and ISO 20000 management-system certifications, and states that its factory is IATF 16949:2016 certified. It also lists KTW-W270, Watermark, LFGB, RoHS, REACH, and FDA product certifications or compliance credentials, although certificate documents and validity details are not provided.
After-Sales capabilityThe supplier explicitly claims to have a dedicated after-sales team and to recall problematic cargo 100% at the first opportunity. This supports a stated corrective-response capability, but no evidence is provided on response times, procedures, or verified service outcomes.
R&D capabilityThe supplier states that it conducts R&D and follows technological innovation, employs 21–30 R&D engineers, and can develop rubber-material formulas for different requirements. These statements indicate technical development resources, but no specific patents, new-product records, or quantified R&D results are supplied.
Production capacityThe supplier reports four production lines, 31–40 quality-control staff, and annual output of 1,000,000 valve stem seals, 10,000,000 O-rings, 10,000,000 oil seals, 1,000,000 bonded seals, and 10,000,000 customized molded rubber parts. Its listed products and factory certifications further support manufacturing capability, although capacity utilization and independent verification are not shown.
Customization capabilityThe supplier states that its technical team can customize rubber raw-material formulas and that it has an in-house mold department capable of fast mold processing and difficult molds. Its product scope explicitly includes customized molded rubber parts, providing direct evidence of customization capability.
Product Q&A
Q:What raw materials are used?
A:
We use premium brands such as DuPont (US), Dow Corning (Germany), Bayer (Germany), and 3M.
Q:What is the available size range?
A:
Standard ID ranges from 4mm to 1m. Custom sizes with ID over 6m and cross-section over 30m are also available.
Q:What certifications does the product have?
A:
The factory is ISO/TS 16949:2009 certified. Products also hold WRAS, KTW-W270, Watermark, LFGB, RoHS, Reach, and FDA certificates.
Q:What is the maximum pressure resistance?
A:
The seals are designed for operation conditions with pressure up to 50MPa.
Q:What are the payment terms?
A:
We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.
Send Inquiry
*To:
Ningbo Boman Mechanical & Technology Co., Ltd.
Ningbo Boman Mechanical & Technology Co., Ltd.*Content:
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