Ensure You Make the Right Choice : Selecting Between Sponge Rubber Seals and Solid Rubber Seals for Optimal Performance

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Ensure You Make the Right Choice : Selecting Between Sponge Rubber Seals and Solid Rubber Seals for Optimal Performance


Ensure You Make the Right Choice : Selecting Between Sponge Rubber Seals and Solid Rubber Seals for Optimal Performance

Sponge rubber seals and solid rubber seals are widely utilized in sealing applications, but making the right choice between them is crucial for effective performance. Often, issues arise when solid rubber seals are chosen, leading to inadequate sealing in applications due to their limited compressibility and excessive hardness. In such cases, sponge rubber seals, which are more compressible and softer, should be used instead.

To help you determine which type of seal is appropriate for your needs, here are the key differences between sponge rubber seals and solid rubber seals:

1. Rubber Texture

  • Sponge Rubber Seals : These have internal air bubbles, making them soft and flexible. They have a closed-cell structure with a smooth outer surface.
  • Solid Rubber Seals : Denser in texture, these seals are harder and less compressible than sponge rubber seals, but still maintain some flexibility.

 

2. Hardness

  • Sponge Rubber Seals : Containing air bubbles, they are softer and more compressible, measured in Shore OO hardness.
  • Solid Rubber Seals : Being denser, they are harder and less compressible than sponge rubber seals, measured in Shore A hardness.

 

3. Application

  • Sponge Rubber Seals : Ideal for low-pressure, low-stress sealing needs like water or dust sealing, and in environments like oven seals due to their softness and compressibility.
  • Solid Rubber Seals : More suited for high-pressure applications due to their greater strength.

 

4. Durability

  • Sponge Rubber Seals : With internal air bubbles, these seals are softer and have moderate strength.
  • Solid Rubber Seals : More durable and pressure-resistant, making them much stronger than sponge rubber seals.

 

5. Price

  • Sponge Rubber Seals : Generally more economical due to using less rubber material, thanks to the air bubbles within.
  • Solid Rubber Seals : Typically more expensive due to using more rubber material, but offer greater strength and longer lifespan.

 

These differences are essential in guiding your choice. If your application does not involve high pressure and requires high compressibility, sponge rubber seals are recommended.

**For high-pressure applications, solid rubber seals are a better choice.

**For expert advice on selecting the most suitable and cost-effective rubber seal.

Consider consulting with SAPONG, ensuring you choose the most appropriate rubber seal for your specific requirements.

 

 

 

Contact Us.

LINE Official Account : @PTIRUBBER  Click : https://lin.ee/1CobQGz

Tel : +66(0)22577154  MB/WhatsApp : +66(0)863077319  Email : info@ptigroups.com

SAPONG by Polytech Industry Company Limited

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