Rubber seal | RS UAE

Hardness

Shore A 70 (1091)

Shore A 80 (1037)

71 IRHD (617)

Shore A 50 (90)

Shore 70 (59)

Shore A 79 (23)

Shore A 91 (13)

Drain Type

Automatic (99)

Manual (57)

Semi Automatic (41)

Manual, Semi Automatic (1)

Bore Type

Taper (46)

Spherical (9)

Parallel (8)

Cylindrical (1)

IP Rating

IP66, IP68 (30)

IP67, IP69K (13)

IP67 (6)

IP68 (6)

IP65 (3)

IP54 (1)

IP55 (1)

Adhesive Backing

No (29)

Yes (21)

Elongation

90% (18)

145% (10)

250% (8)

450% (6)

≥100% (4)

400% (1)

Suitability

Gasket, Seals (18)

Gaskets, Seals,Thermal Insulation, Cushioning (10)

Gasket, Hose, Liner, Protective Sleeve, Seal, Tubing (6)

Dust Seal, Low Pressure Gasket, Transport (5)

Gasket, Seal, Thermal Insulation (4)

Chemical Processing, Food Processing, Gasket and Seal, Roofing and Construction (3)

Food Processing Gasket, Seal and Appliance Seal (1)

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RS PRO Nitrile Rubber (NBR) Seal, 306 mm ID, 635 mm OD, 0.375 in

RS Stock No. 227-0761

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Inside Diameter: 306 mm
Section: Bearings & Seals

AED 69.71

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RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 29 mm OD, 7.5 mm

RS Stock No. 074-9626

Brand RS Pro

Outside Diameter: 29 mm
Seal Material: Nitrile Rubber (NBR)
Thickness: 7.5mm

AED 23.14

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RS PRO Nitrile Rubber (NBR) Seal, 20 mm ID, 32 mm OD, 7.5 mm

RS Stock No. 074-9632

Brand RS Pro

Seal Material: Nitrile Rubber (NBR)
Seal Type: V Seal
Super Section: Gaskets, Seals & Packings

AED 25.62

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RS PRO Nitrile Rubber (NBR) Seal, 22 mm ID, 35 mm OD, 7.5 mm

RS Stock No. 074-9648

Brand RS Pro

Category: Seals
Outside Diameter: 35 mm
Product Type: Seal

AED 20.22

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RS PRO Nitrile Rubber (NBR) Seal, 27 mm ID, 39 mm OD, 7.5 mm

RS Stock No. 074-9654

Brand RS Pro

Category: Seals
Inside Diameter: 27 mm
Seal Material: Nitrile Rubber (NBR)

AED 25.17

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RS PRO Nitrile Rubber (NBR) Seal, 36 mm ID, 43 mm OD, 9 mm

RS Stock No. 074-9676

Brand RS Pro

Category: Seals
Inside Diameter: 36 mm
Section: Bearings & Seals

AED 37.75

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RS PRO Nitrile Rubber (NBR) Seal, 6 mm ID, 16 mm OD, 7 mm

RS Stock No. 211-8721

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Inside Diameter: 6 mm
Thickness: 7mm

AED 50.22

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RS PRO Nitrile Rubber (NBR) Seal, 7 mm ID, 16 mm OD, 7 mm

RS Stock No. 211-8743

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Inside Diameter: 7 mm
Thickness: 7mm

AED 50.84

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RS PRO Nitrile Rubber (NBR) Seal, 10 mm ID, 19 mm OD, 7 mm

RS Stock No. 211-8771

Brand RS Pro

Product Type: Seal
Seal Type: Rotary Shaft Seal
Thickness: 7mm

AED 50.28

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RS PRO Nitrile Rubber (NBR) Seal, 10 mm ID, 22 mm OD, 7 mm

RS Stock No. 211-8793

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Outside Diameter: 22 mm
Product Type: Seal

AED 50.28

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RS PRO Nitrile Rubber (NBR) Seal, 12 mm ID, 24 mm OD, 7 mm

RS Stock No. 211-8816

Brand RS Pro

Product Type: Seal
Seal Material: Nitrile Rubber (NBR)
Thickness: 7mm

AED 50.28

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RS PRO Nitrile Rubber (NBR) Seal, 15 mm ID, 30 mm OD, 7 mm

RS Stock No. 211-8838

Brand RS Pro

Category: Seals
Seal Type: Rotary Shaft Seal
Thickness: 7mm

AED 53.37

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RS PRO Nitrile Rubber (NBR) Seal, 15 mm ID, 35 mm OD, 7 mm

RS Stock No. 211-8850

Brand RS Pro

Category: Seals
Product Type: Seal
Thickness: 7mm

AED 53.37

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RS PRO Nitrile Rubber (NBR) Seal, 16 mm ID, 35 mm OD, 7 mm

RS Stock No. 211-8872

Brand RS Pro

Outside Diameter: 35 mm
Product Type: Seal
Seal Material: Nitrile Rubber (NBR)

AED 53.37

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RS PRO Nitrile Rubber (NBR) Seal, 17 mm ID, 30 mm OD, 7 mm

RS Stock No. 211-8894

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Product Type: Seal
Thickness: 7mm

AED 54.77

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RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 30 mm OD, 7 mm

RS Stock No. 211-8923

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Product Type: Seal
Seal Material: Nitrile Rubber (NBR)

AED 54.77

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RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 35 mm OD, 7 mm

RS Stock No. 211-8939

Brand RS Pro

Inside Diameter: 18 mm
Seal Type: Rotary Shaft Seal
Section: Bearings & Seals

AED 58.70

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RS PRO Nitrile Rubber (NBR) Seal, 20 mm ID, 40 mm OD, 7 mm

RS Stock No. 211-8973

Brand RS Pro

Seal Material: Nitrile Rubber (NBR)
Super Section: Gaskets, Seals & Packings
Thickness: 7mm

AED 64.60

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RS PRO Nitrile Rubber (NBR) Seal, 24 mm ID, 35 mm OD, 7 mm

RS Stock No. 211-8995

Brand RS Pro

Inside Diameter: 24 mm
Super Section: Gaskets, Seals & Packings
Thickness: 7mm

AED 64.88

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RS PRO Nitrile Rubber (NBR) Seal, 25 mm ID, 47 mm OD, 7 mm

RS Stock No. 211-9011

Brand RS Pro

Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Product Type: Seal
Thickness: 7mm

AED 60.67

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RS PRO Nitrile Rubber (NBR) Seal, 28 mm ID, 40 mm OD, 7 mm

RS Stock No. 211-9033

Brand RS Pro

Category: Seals
Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Inside Diameter: 28 mm

AED 60.78

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RS PRO Nitrile Rubber (NBR) Seal, 30 mm ID, 42 mm OD, 7 mm

RS Stock No. 211-9061

Brand RS Pro

Category: Seals
Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/bearings-seals/gaskets-seals-packings/seals
Inside Diameter: 30 mm

AED 60.67

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RS PRO Nitrile Rubber (NBR) Seal, 30 mm ID, 52 mm OD, 7 mm

RS Stock No. 211-9099

Brand RS Pro

Product Type: Seal
Seal Type: Rotary Shaft Seal
Thickness: 7mm

AED 67.13

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RS PRO Nitrile Rubber (NBR) Seal, 35 mm ID, 47 mm OD, 7 mm

RS Stock No. 211-9112

Brand RS Pro

Category: Seals
Section: Bearings & Seals
Thickness: 7mm

AED 80.61

in stock now

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What is a rubber seal?

A rubber seal is an elastomeric component designed to fill the gap between two mating surfaces and prevent the passage of liquids, gases, dust, or contaminants. Rubber seals come in many shapes and forms, including O-rings, lip seals, oil seals, gaskets, and custom molded profiles. They work by creating a tight line contact that deforms under pressure, producing a sealant barrier that resists leakage in horizontal, vertical, and dynamic motion applications. Key benefits include durable compression under load, resistance to environmental factors, and compatibility with a broad range of fluids and media. Because rubber seals are made from different polymers, they can be tailored for static seals (fixed assemblies) or dynamic seals (rotating or reciprocating joints) across industries from automotive to hydraulics, pneumatic systems, and industrial machinery.

Prevents fluid or gas leaks
Maintains pressure and efficiency in systems
Compensates for small misalignments or surface irregularities
Resists wear, temperature changes, and chemical exposure when selected correctly

When selecting a rubber seal, engineers consider material type, hardness (durometer), size tolerances, installation method, and service environment to ensure a reliable seal over the product lifecycle.

What are the common materials used for rubber seals?

Rubber seals are produced from a range of elastomer polymers, each chosen for specific chemical resistance, temperature tolerance, and physical properties. The most widely used materials include:

EPDM (ethylene propylene diene monomer) — excellent water and steam resistance, common in HVAC and automotive cooling systems
Nitrile/NBR — good oil and fuel resistance, widely used in automotive, hydraulic, and industrial seals
Silicone — broad temperature range, suitable for food contact and sanitary environments
FKM/Viton — high chemical resistance to fuels and solvents, ideal for harsh chemical and high-temperature applications
Neoprene/CR — versatility, good weathering and ozone resistance, common in outdoor and marine seals
HNBR — improved oil resistance and heat resistance over standard NBR
Fluorosilicone — combines silicone's temperature range with fluorinated oil resistance for specialized fluids

In practice, engineers select a material based on the media, temperature range, exposure to UV/ozone, and mechanical demands such as movement or static sealing. For medical, food-grade, or pharmaceutical equipment, food-safe grades and certifications (FDA/USP and 3-A Sanitary) may drive material choice.

What are the main types of rubber seals used in industry?

Rubber seals fall into several broad categories, each serving different sealing requirements:

O-rings — circular cross-section seals used in static and dynamic joints; simple, versatile, and available in many materials
Lip seals — axial or radial seals with a sealing lip designed to retain lubricants and exclude contaminants in rotating shafts
Oil and hydraulic seals — specially shaped to handle pressure and lubricant compatibility in pumps and actuators
Gaskets — flat seals used between mating surfaces to prevent leakage in flanged and gasketed joints
Dynamic seals — designed to seal moving parts such as shafts or pistons, requiring good wear resistance and low friction
Static seals — maintain a seal without movement, relying on material resilience and surface finish
Specialty seals — medical-grade, food-grade, or high-temperature variants for niche applications

Each type combines with a material choice to meet specific chemical, temperature, and pressure requirements, ensuring long service life in pumps, valves, housings, and manifolds.

How do I choose the right rubber seal for a particular application?

Selecting the correct rubber seal starts with understanding the operating environment and service demands. Consider these key factors:

— identify the liquid, gas, or solvent, and choose a material with proven resistance to it (oil, water, fuels, acids, alkaline solutions, solvents, detergents).
Temperature range — ensure the material remains elastic and does not crack or extrude at the operating temperatures.
Pressure and speed — dynamic seals in high-pressure systems require higher durometer and tougher wear resistance.
Chemical exposure — exposure to ozone, UV, or weathering may favor neoprene or fluorinated elastomers.
Movement and alignment — dynamic seals must tolerate shaft wear and misalignment, while static seals rely on surface finish and seating accuracy.
Mechanical properties — durometer (Shore hardness), compression set, and elasticity affect long-term seal integrity.
— for food, medical, or pharmaceutical lines, compliance (FDA, 3-A, USP) may dictate material choices

Once these factors are defined, you can narrow to specific product lines, such as NBR-based oil seals for hydraulic pumps or EPDM seals for water and steam lines. Always verify compatibility with cold seals, hot torque conditions, and operating pressures to minimize leaks and downtime.

How do rubber seals perform under different temperatures and chemicals?

Material performance varies with temperature and chemical exposure. Typical guidance includes:

— excellent oil resistance; good for mid-range temperatures but can harden or swell with certain solvents
— outstanding water and steam resistance; performs well incool to moderate high temperatures, but not compatible with petroleum-based fluids
— wide temperature tolerance (low to very high temperatures); good chemical inertness for many foods and medical devices, but may have higher permeability
— superior chemical resistance to fuels, solvents, and high temperatures; ideal for aggressive media
— versatile but moderate chemical resistance; good for weather and ozone exposure

Understanding a material’s chemical compatibility charts and temperature limits helps prevent swelling, hardening, or o-ring nibble under load. For critical service, run compatibility tests and consider multi-material seals or coatings to extend life in harsh environments.

How do you install or maintain rubber seals in machinery?

Proper installation and maintenance extend seal life and prevent leaks. Consider these practical steps:

Inspect surfaces for nicks, scratches, or burrs; repair or replace damaged flanges and housings
Choose the correct cross-section and inner diameter; verify tolerances against the shaft, bore, or gland
Lubricate where appropriate with silicone-based or manufacturer-approved lubricants to reduce installation friction
Avoid excessive compression; follow recommended seating torque and assembly procedures
Protect seals during assembly from sharp edges, debris, and contamination
Implement routine checks for leaks, compression set, and wear; replace seals showing degradation

Regular maintenance includes cleaning, inspecting for aging and UV exposure, and using fresh lubricants appropriate to the seal material and media. In high-speed or high-pressure systems, consider protective coatings or multi-seal arrangements to reduce wear and extend service life.

What are common issues with rubber seals and how can I troubleshoot?

Common problems include leaks due to improper sizing, excessive compression, extrusion, chemical attack, aging, and surface damage. Troubleshooting tips:

Check seal sizing and seating clearances; ensure the cross-section matches the gland design
Inspect for compression set or hardening; replace with a more suitable material or durometer if needed
Look for chemical attack signs such as swelling, softening, or surface cracking
Assess surface finish of mating parts; rough or damaged surfaces can prevent proper sealing
Perform leak-rate testing or pressure-decay tests to pinpoint leakage points

If issues persist, review media compatibility, temperature fluctuations, and the seal’s service life; consider redesign or switching to a different polymer grade better suited to the operating conditions.

Do rubber seals meet industry standards and certifications?

Yes, many rubber seals are manufactured to meet industry standards and regulatory requirements to support quality and safety:

materials compatible with contact with consumables (FDA-compliant silicones, EPDM used in food processing equipment)
grades with USP or ISO certifications for cleanroom and sterile applications
seals designed for high temperature, pressure, and environmental exposure
seals tested for compatibility with hydraulic fluids, lubricants, coolants, and coolants under various temperatures
compliance to minimize hazardous substances in components

Always verify supplier documentation, material certificates, and performance data sheets to ensure the seal choice aligns with project-spec requirements and regulatory expectations.

Can I get custom rubber seals or molded seal solutions?

Custom rubber seals are common in RS Components applications where standard offerings do not precisely fit the gland or housing geometry. Custom solutions may include:

Molded seals with tailored cross-sections, profiles, and durometers to match complex geometries
O-ring and quad-ring assemblies in specific or multi-material configurations
Coated seals or bonded seals for improved chemical resistance or improved lubrication retention
Soft-touch designs for reduced shaft wear and improved lubrication

Lead times depend on volume, material, and cure processes; collaboration with RS Components technical support helps specify material grade, certification, and inspection criteria to ensure consistent performance in production environments.

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"Rubber seal"

RS PRO Nitrile Rubber (NBR) Seal, 306 mm ID, 635 mm OD, 0.375 in

RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 29 mm OD, 7.5 mm

RS PRO Nitrile Rubber (NBR) Seal, 20 mm ID, 32 mm OD, 7.5 mm

RS PRO Nitrile Rubber (NBR) Seal, 22 mm ID, 35 mm OD, 7.5 mm

RS PRO Nitrile Rubber (NBR) Seal, 27 mm ID, 39 mm OD, 7.5 mm

RS PRO Nitrile Rubber (NBR) Seal, 36 mm ID, 43 mm OD, 9 mm

RS PRO Nitrile Rubber (NBR) Seal, 6 mm ID, 16 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 7 mm ID, 16 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 10 mm ID, 19 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 10 mm ID, 22 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 12 mm ID, 24 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 15 mm ID, 30 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 15 mm ID, 35 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 16 mm ID, 35 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 17 mm ID, 30 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 30 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 18 mm ID, 35 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 20 mm ID, 40 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 24 mm ID, 35 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 25 mm ID, 47 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 28 mm ID, 40 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 30 mm ID, 42 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 30 mm ID, 52 mm OD, 7 mm

RS PRO Nitrile Rubber (NBR) Seal, 35 mm ID, 47 mm OD, 7 mm

What is a rubber seal?

What are the common materials used for rubber seals?

What are the main types of rubber seals used in industry?

How do I choose the right rubber seal for a particular application?

How do rubber seals perform under different temperatures and chemicals?

How do you install or maintain rubber seals in machinery?

What are common issues with rubber seals and how can I troubleshoot?

Do rubber seals meet industry standards and certifications?

Can I get custom rubber seals or molded seal solutions?