Choosing between Silicone and NBR O-rings isn’t just a technical decision—it affects system life, cost, and compliance. So, which one should you choose?

Silicone O-rings are ideal for high heat and sterile environments, while NBR O-rings dominate oil-resistant industrial applications.

Let’s compare the differences and use cases to guide your selection.

What’s the difference between Silicone and NBR O-rings?

Silicone resists heat and UV, while NBR excels with oils and fuels. Your environment determines the right fit.

Explore Silicone O-Ring specs | Learn more about NBR performance

Which O-ring material performs better in heat or oil?

• Bruge Silikone O-ringe for high-temperature, sterile, or outdoor conditions.
• Bruge NBR O-ringe in fuel, hydraulic, or lubricated environments.

How do industries apply Silicone and NBR O-rings?

Silikone O-ringe:

• Medicinsk udstyr
• Food & beverage systems
• Aerospace assemblies

NBR O-ringe:

• Fuel injection systems
• Hydrauliske cylindre
• Automotive gaskets

Compare NBR to FKM O-Rings for more oil-based solutions.

What factors should you consider before choosing?

Use this simple checklist:

1. Temperatur:

   • Over 120°C → Silicone
   • Under 120°C → Proceed to step 2

2. Media Exposure:

   • Oil/fuel → NBR
   • UV, dry heat, ozone → Silicone

3. Cost Sensitivity:

   • Budget-critical → NBR
   • Long-term performance → Silicone

Need custom specs? Try our O-Ring Maker Tool.

What do customers say about these materials?

• “NBR O-Rings sealed our diesel pumps perfectly.” – Automotive client
• “Silicone survived 200°C sterilization cycles with no cracks.” – Medical OEM

Tip: Bruge this guide to understand sealing fundamentals.

Konklusion

Silicone and NBR serve different needs—match material to environment and you’ll seal with confidence.

Choose the right O-ring for your system

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Related post

• Silicone O-Ring Guide
• NBR O-ringe til industriel brug
• O-Ring Kits for Mixed Applications

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