1. Introduction
This manual provides essential information for the proper use, installation, and maintenance of the uxcell Red Rubber O-Ring Seals. These O-rings are designed to create a tight seal in various applications, resisting oils, hydraulic fluid, and water.
2. Product Overview
The uxcell Red Rubber O-Ring Seals are flexible sealing components primarily used in machinery, bathroom facilities, household electrical appliances, and electronic instruments. Their robust rubber construction ensures durability and effective sealing against various fluids.

Figure 2.1: A set of uxcell Red Rubber O-Ring Seals, showcasing their uniform size and vibrant red color. These O-rings are designed for effective sealing in various applications.
Key Features:
- Material: High-quality Rubber
- Color: Red
- Resistance: Designed to resist oils, hydraulic fluid, and water.
- Flexibility: Flexible construction for easy installation and effective sealing.
- Quantity: Package contains 10 individual O-rings.
3. Installation Guide
Proper installation is crucial for the effective performance and longevity of the O-ring seals. Follow these steps for optimal results:
- Preparation: Ensure the groove or sealing surface is clean, dry, and free from any debris, burrs, or sharp edges that could damage the O-ring.
- Sizing: Verify that the O-ring's dimensions (inside diameter, outside diameter, and thickness) match the specifications required for your application. Refer to the specifications section for product dimensions.
- Lubrication (Optional but Recommended): For easier installation and to prevent damage, apply a thin layer of compatible lubricant to the O-ring and the sealing surfaces. Ensure the lubricant is compatible with both the O-ring material and the fluid being sealed.
- Placement: Carefully place the O-ring into its designated groove. Avoid stretching or twisting the O-ring excessively during installation, as this can lead to premature failure.
- Assembly: Assemble the components, ensuring the O-ring remains properly seated in its groove and is not pinched or extruded during tightening.
- Testing: After assembly, perform a leak test to confirm the seal's integrity, especially in critical applications.

Figure 3.1: Close-up view of a single uxcell Red Rubber O-Ring, illustrating its dimensions (35mm x 3mm) and providing a visual reference for its size when held in a hand.
4. Operating Principles
O-rings function by being compressed within a groove between two mating surfaces. This compression creates a positive seal that prevents the leakage of fluids or gases. When pressure is applied to the sealed fluid, the O-ring is further compressed against the opposite groove wall, enhancing the sealing force. The elasticity of the rubber material allows the O-ring to maintain its sealing capability even with minor variations in pressure or temperature.
5. Maintenance
Regular inspection and timely replacement are key to maintaining the effectiveness of O-ring seals.
- Visual Inspection: Periodically inspect O-rings for signs of wear, cracking, hardening, softening, swelling, or permanent deformation. Any visible damage indicates a need for replacement.
- Environmental Factors: Be aware of the operating environment. Exposure to extreme temperatures, aggressive chemicals, or prolonged UV light can degrade the O-ring material over time.
- Replacement: Always replace damaged or worn O-rings with new ones of the correct size and material. Do not attempt to reuse O-rings that have been removed or show signs of degradation.
- Storage: Store spare O-rings in a cool, dry, dark place, away from direct sunlight, ozone-generating equipment, and extreme temperatures to preserve their material properties.
6. Troubleshooting Common Issues
If a leak occurs or the seal fails, consider the following common causes and solutions:
| Issue | Possible Cause | Solution |
|---|---|---|
| Leakage | Incorrect O-ring size, damaged O-ring, improper installation (pinched/twisted), contaminated sealing surface, material incompatibility. | Verify O-ring dimensions, replace damaged O-ring, re-install carefully, clean surfaces thoroughly, ensure material is compatible with fluid. |
| Premature Wear | Excessive friction, high temperatures, chemical degradation, improper lubrication. | Apply compatible lubricant, check operating temperature, verify chemical compatibility, replace O-ring. |
| Extrusion/Nicking | Excessive pressure, improper groove design, sharp edges on components. | Ensure pressure is within O-ring limits, check groove dimensions, deburr sharp edges. |
7. Product Specifications
| Attribute | Detail |
|---|---|
| Product Name | Rubber O Ring |
| Material | Rubber |
| Inside Diameter | 29mm / 1.14" |
| Outside Diameter | 35mm / 1.38" |
| Thickness | 3mm / 0.12" |
| Color | Red |
| Weight (per 10 Pcs) | 10g / 0.352 ounces |
| Package Content | 10 x Rubber O Rings |
| Brand | uxcell |
| Model Number | a13050600ux0090 |
| UPC | 700955415033 |
8. Warranty Information
Specific warranty details for this product are not provided in the available documentation. For information regarding product warranty, please contact the manufacturer directly or refer to the purchase agreement.
9. Customer Support
For further assistance, technical inquiries, or to report issues, please contact uxcell customer support. You may find contact information on the official uxcell website or through your point of purchase.
You can visit the uxcell Store on Amazon for more products and information.