Product Information
1. Product Attributes
Attribute | Recommended Content |
Product Name | Industrial Rubber O-Ring / Rubber Seal Ring |
Brand | LANTRY |
Product Type | Static and dynamic sealing component |
Available Materials | NBR, FKM/Viton®, EPDM, Silicone, HNBR, CR, PU and custom compounds |
Standard Color | Black; red, green, brown, blue, white and custom colors available |
Hardness | Shore A 20–90, customizable; common options: 50A, 60A, 70A, 80A, 90A |
Size Standard | Metric and inch sizes; AS568, ISO 3601, JIS and custom dimensions |
Cross-Section | Customizable according to drawing, sample or application |
Surface | Smooth, clean, flash-controlled surface |
Temperature Range | Material-dependent; typical options from approximately -60°C to +250°C |
Media Compatibility | Oil, fuel, water, steam, air, chemicals and weathering, depending on material |
Application | Hydraulic systems, pneumatic equipment, pumps, valves, pipelines, automotive, machinery and industrial equipment |
Customization | Material, hardness, size, color, tolerance, logo, label and packaging |
OEM / ODM | Supported |
Sample Service | Standard and custom samples available |
MOQ | Negotiable according to size, material and customization |
Packaging | PE bag, labeled inner bag, export carton, pallet or custom packaging |
Quality Control | Raw-material inspection, dimensional inspection, appearance inspection and final sampling |
Place of Origin | Tianjin, China |
2. Material Selection Guide
Material | Main Advantage | Typical Application | Typical Range* |
NBR | Excellent oil and fuel resistance; cost-effective | Hydraulic systems, machinery, automotive | Approx. -40°C to +120°C |
FKM / Viton® | High-temperature and chemical resistance | Chemical equipment, engines, oil and gas | Approx. -20°C to +200/250°C |
EPDM | Weather, ozone, hot water and steam resistance | Water systems, outdoor equipment, HVAC | Approx. -50°C to +150°C |
Silicone | Wide temperature range, flexibility, clean appearance | Food equipment, electronics, medical-related industrial parts | Approx. -60°C to +200°C |
HNBR | Improved heat, oil and wear resistance | Automotive, refrigeration, heavy-duty systems | Approx. -40°C to +150°C |
PU | High abrasion and extrusion resistance | Hydraulic cylinders and high-wear applications | Approx. -30°C to +100°C |
* Temperature and chemical compatibility vary by compound, hardness and operating conditions. Final selection should be confirmed with the supplier.
3. Core Selling Points
Reliable Sealing Performance
Precision-molded O-rings provide stable compression and help reduce leakage in static and dynamic sealing applications.
Multiple Materials and Sizes
Choose from NBR, FKM, EPDM, silicone, HNBR, PU and other compounds in metric, inch and fully customized dimensions.
Custom Manufacturing Service
Material, hardness, color, cross-section, tolerance, label and packaging can be customized according to drawings or samples.
Strict Quality Inspection
Each production batch is checked for dimensions, appearance, surface finish and consistency before packing and shipment.
Factory Supply and Stable Delivery
A 10,000 m² production base, 10 production lines and more than 200 workers support sampling, repeat orders and bulk purchasing.
4. Ready-to-Use Detail Page Copy
Main Banner
High-Performance Rubber O-Rings
Reliable Sealing Solutions for Industrial Applications
NBR · FKM · EPDM · Silicone · HNBR · PU
Product Overview
LANTRY industrial rubber O-rings are precision-molded sealing components designed for hydraulic, pneumatic, automotive, pump, valve, pipeline and machinery applications. Multiple materials, hardness levels, colors and dimensions are available to match different temperatures, pressures and working media.
Stable Sealing Performance
The round cross-section creates uniform compression inside the groove, helping prevent leakage and maintain dependable sealing performance. Smooth surfaces and controlled dimensions support stable installation and repeatable use.
Multiple Material Options
Select the appropriate compound according to oil resistance, chemical resistance, heat resistance, weather resistance, abrasion resistance and low-temperature flexibility. Our team can recommend a suitable option based on your application conditions.
Precision and Customization
We support standard metric and inch sizes as well as customized O-rings based on drawings, samples or technical requirements. Available customization includes material, hardness, color, inner diameter, outer diameter, cross-section, tolerance, label and packaging.
Quality Control
Quality inspections cover incoming materials, production dimensions, surface appearance and finished-product sampling. Products are packed only after inspection to support consistent quality across repeat orders.
Applications
Suitable for hydraulic cylinders, pneumatic equipment, pumps, valves, compressors, pipelines, automotive parts, industrial machinery, water systems, chemical equipment and general sealing assemblies.
Packaging and Delivery
Products can be packed in individual PE bags, labeled inner bags, export cartons, wooden cases or pallet packaging. Neutral packaging and customized labels are available for wholesale, distribution and OEM projects.
Call to Action
Send us your drawing, sample, material requirement, size, hardness, working temperature, medium and order quantity. Our team will provide a suitable sealing solution and quotation.
5. Alibaba Selling Description (5 Bullets)
• Precision Rubber O-Ring Seals: Designed for reliable static and dynamic sealing in hydraulic, pneumatic, pump, valve, pipeline, automotive and industrial equipment applications.
• Multiple Material Options: Available in NBR, FKM, EPDM, silicone, HNBR, PU and custom compounds for oil, heat, chemical, water, weather and abrasion resistance.
• Metric, Inch and Custom Sizes: Supports standard sizes and customized inner diameter, outer diameter, cross-section, hardness, color and tolerance according to drawings or samples.
• Strict Quality Control: Raw materials, dimensions, surface appearance and finished products are inspected to help maintain stable quality and consistent sealing performance.
• OEM ODM and Factory Supply: Custom labels, packaging and bulk orders are supported. Our 10,000 m² factory, 10 production lines and 200+ workers provide stable production and delivery.
6. Recommended Product Titles
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5. Custom Rubber O Rings Manufacturer NBR Viton EPDM Silicone Sealing Rings for Automotive Hydraulic Systems
7. Company Introduction
Tianjin Lantry High Performance Sealing Materials Co., Ltd. is a professional manufacturer of industrial sealing materials and customized sealing solutions. The company operates a production facility of approximately 10,000 square meters with 10 production lines and more than 200 skilled workers. A 10–15-member design and quality inspection team supports material selection, product development, sample production, process inspection and final quality control. LANTRY provides O-rings, gaskets, packing, PTFE products, graphite sealing products and other customized industrial sealing components for customers worldwide.
