Insulated Rubber O-ring

Insulated Rubber O-ring
Details:
Brand: Best Seal
Place of Origin: Xiamen, China
Certification: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGS
Material: Premium NBR (Nitrile Butadiene Rubber)
Hardness: 40–95 Shore A, customizable for flexible or rigid sealing
Temperature Range: -40°C ~ +120°C (special formulations available for extended ranges)
Size Range: Standard AS568 sizes or fully custom dimensions
Color Options: Black, brown, transparent, or tailored colors
Daily Production Capacity: 5 million pcs
Description
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Products Description

 

Insulated Rubber O-Rings are specially engineered sealing components designed to provide not only airtight and watertight sealing but also additional electrical insulation and thermal isolation. They are widely used in systems where conductive materials or temperature transfer must be prevented, ensuring safe, stable, and durable operation.

 

These O-rings are made from advanced elastomers such as EPDM, Silicone, NBR, FKM, or custom rubber blends with insulating properties, making them ideal for electronics, energy systems, precision instruments, and industrial machinery.

 

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Why Choose Insulated Rubber O-Rings?

 

1. Excellent Electrical Insulation

The rubber materials exhibit low electrical conductivity, preventing electrical leakage, arcing, or interference - essential for:

Connectors

Sensors

Control panels

Battery systems

 

2. Effective Thermal Isolation

Insulated rubber helps reduce heat transfer between components, protecting sensitive parts from temperature fluctuations.

 

3. Strong Environmental Resistance

Depending on the grade, these O-rings may offer:

Weather & ozone resistance

Chemical resistance

Heat resistance

Water & steam resistance

Suitable for both indoor and outdoor equipment.

 

4. Reliable Mechanical Properties

Engineered for long-term stability:

High elasticity

Low compression set

Good sealing under static and dynamic conditions

 

5. Customizable for Any Application

We offer full customization:

Hardness: 20–90 Shore A

Materials: EPDM / Silicone / NBR / FKM / HNBR

Colors: Black, red, white, transparent, custom

Sizes: Standard & non-standard

Special coatings: PTFE, silicone oil, or friction-reducing treatments

 

Material Comparison Table

 

 

Feature / Material

NBR

FKM (Viton®)

EPDM

Silicone

HNBR

Hardness (Shore A)

30–90

50–90

40–90

5–90

50–90

Temp Range

-40°C ~ +120°C

-20°C ~ +250°C

-50°C ~ +150°C

-60°C ~ +230°C

-40°C ~ +150°C

Key Features

Oil/fuel/grease resistance; good mechanical properties

Heat, chemical, oil resistance

Weather, ozone, water, steam resistance

Flexibility, wide temp, food-grade options

Heat, oil, chemical resistance, aging resistance

Advantages

Affordable, versatile, good wear resistance

Excellent high-temp and chemical resistance

Excellent outdoor & water system performance

Excellent low/high temp performance, food-safe

Superior durability and mechanical properties

Limitations

Poor ozone/weather resistance

Expensive, harder to process

Poor oil/fuel resistance

Low mechanical strength, expensive

Cost higher than NBR

Typical Applications

Automotive seals, hydraulic systems, general machinery

High-temp automotive, aerospace, chemical industry

Plumbing, water systems, HVAC, outdoor sealing

Food & beverage, medical, electrical insulation, extreme temp

Automotive, industrial hydraulics, oil & gas sealing

 

 

 

O Ring Applications 

 

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They provide reliable sealing performance without deformation or leakage.

Typical Applications:

Plumbing systems: Prevent water leakage in joints and pipes.

Machinery & equipment: Used for hydraulic and pneumatic sealing.

Automotive parts: Suitable for engine, fuel, and brake systems.

Home & garden tools: Replacement parts for Bunnings machinery and DIY projects.

 

 

Products Advantages

 

1. Long Service Life

The combination of high elasticity and chemical resistance ensures stable performance and minimal degradation over time, significantly extending equipment life.

 

2. Superior Sealing Effect

Even under high pressure and extreme temperature changes, Viton O-rings maintain tight sealing, effectively preventing leakage and reducing maintenance costs.

 

3. Environmentally Friendly Production

All materials comply with RoHS and REACH standards, ensuring environmental safety during use.

 

 

 

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Why Choose US ?

 

 

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1.10,000+ Molds Available – Extensive mold library to meet diverse size and material requirements.

2.No MOQ, Starts from One Piece – Flexible customization from sample testing to bulk production.

3. In-Stock Inventory - Standard sizes in stock, ensuring quick shipment, Fast Global Delivery

 

 

Focus on Quality

 

•Precise inspection, zero-defect quality, ensuring both delivery time and quality.

•Meets the 125/1008H high-temperature aging test requirements of the new energy industry;

•Withstands commercial cleaner (Alcohols, Alkalis, Oils) test requirements.

 

 

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Packing & Delivery

 

 

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MOQ

1 pcs

Lead Time

- In stock: Shipped within 3 days
- Out of stock: 7–15 days after order confirmation
- With new mold: Sample in 10-20 days, mass production after sample approval

Port

China Xiamen

Shipping Methods

Express (DHL, FedEx, UPS), Air, or Sea

Sample Policy

Samples available; customer should pay freight cost

 

 

 

 

Qualification Certificate

product-1300-712

 

Contact US:

Xiamen Best Seal Imp and Exp Co.,Ltd

Tel: +86-592-5782315

Mob: +8618950159396

Email: yunying2@bestsealhk.com

Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China

 

 

 

 

 

Why choose us?

  • We are dedicated to providing our customers with top-quality Solid O-ring products and services.
  • We follow the requirements of the laws of production and management, serious discipline and strict requirements.
  • Our Solid O-ring products have a wide range of applications, making them suitable for various industries.
  • Our company continues to pioneer and innovate, and has received many certifications and honors over the years.
  • We offer our customers a wide range of Solid O-ring products to choose from.
  • The market is growing so rapidly that all businesses need to continue learning to adapt quickly, and we will certainly be able to do that.
  • We collaborate with our clients to understand their specific Solid O-ring needs and deliver customized solutions.
  • Since the company's operation, Insulated Rubber O-ring are favored by the market, customers all over the world, we are marching towards the future with a majestic pace.
  • We have established a reputation as a leading Solid O-ring manufacturer in the industry.
  • We believe that with rich professional service experience and excellent product performance, we will be able to meet your needs best.

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