Small Rubber O-Rings
| Material | Natural Rubber |
| Density | 1.3 g/cm³ |
| Medium | Air, water, steam, various chemicals, etc. |
| Accreditation | ISO 9001;IATF 16949;SAE J2643;ASTM D2000 |
Introduction
Small rubber O-rings are a common sealing element, also known as O-rings or O-rings.
The main function of the rubber O-ring is to provide reliable sealing performance to prevent the leakage of gas, liquid, or solid particles.
It is usually widely used in various mechanical equipment, such as hydraulic systems, pneumatic systems, seals, etc., as well as chemical industry, aerospace, and other fields.
TYPICAL PROPERTIES:
| Material NR | ||
| Property | Value | ASTM Test Method |
| Hardness (Face) (points) | 60A ± 5 | D2240 |
| Tensile Strength (min, psi) | 2500 | D412 |
| Elongation at Break (min, %) | 400 | D412 |
| Specific Gravity | 1.30 | D297 |
| Adhesion to Metal (min, lbf/in) | 26 | D429 |
| Operating Temperature Range for Optimum Service Life | -40°F (-40°C) to 160°F ( 71°C) | N/A |
*All physical property values were developed and measured using a press-cured sample sheet prepared under ASTM D3182.
Application Scenarios
1. Mechanical equipment: Small rubber O-rings are widely used in various mechanical equipment, such as hydraulic systems, pneumatic systems, seals, etc., as well as chemical industry, aerospace, and other fields.
2. Automobile industry: The automobile industry requires a large number of sealing components. Rubber O-rings are widely used in automobile oil seals, brake systems, etc. due to their good sealing performance and weather resistance.
3. Medical devices: Medical devices require high-precision seals. O-rings are widely used in seals for various medical devices due to their good sealing performance and corrosion resistance.
4. Electronic products: Electronic products need to prevent damage to internal components by liquids and gases. Rubber O-rings are widely used as waterproof seals for various electronic products.
5. Construction machinery: Construction machinery requires high-reliability seals. O-rings are widely used in seals for construction machinery due to their good performance and wear resistance.
FAQs about Small Rubber O-rings
■ Q: Why do small rubber O-rings suddenly harden?
A: O-rings may harden due to many factors, including aging, chemical corrosion, ultraviolet radiation, etc. These factors break the rubber molecular chain, gradually causing the O-ring to lose elasticity and become hard and brittle.
■ Q: How to prevent the O-ring from being extruded?
A: To prevent the O-ring from being extruded, you can add a retaining ring around the periphery of the O-ring or add a boss on the side of the groove. These measures can increase the friction of the O-ring, making it less likely to be extruded. In addition, choosing the appropriate O-ring material and hardness can also improve its wear and extrusion resistance.
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