Natural Sponge Rubber Seals

Natural Sponge Rubber Seals

Natural Sponge Rubber Seals – a versatile and eco-friendly solution for a wide range of industrial sealing needs. Our dedication to quality, innovation, and performance ensures that our Natural Sponge Rubber Seals offer unmatched sealing effectiveness and reliability.

Key Features:

  1. Sustainable Material: Our Natural Sponge Rubber Seals are crafted from premium-grade natural sponge rubber sourced from sustainable, renewable resources. This eco-friendly choice reflects our commitment to responsible manufacturing and environmental consciousness.
  2. Excellent Compression and Flexible Seals: Natural sponge rubber’s unique cellular structure enables our seals to exhibit exceptional compression and makes them highly flexible. This ensures a secure and adaptable seal, even in applications with irregular surfaces or varying pressure conditions.
  3. Superior Sealing Performance: Engineered for optimal sealing effectiveness, our Natural Sponge Rubber Seals provide a reliable barrier against moisture, dust, noise, and other environmental elements. These seals are resistant to water, weathering, and other harsh conditions, enhancing operational efficiency and reducing maintenance needs.
  4. Easy Conformity: Natural sponge rubber’s inherent ability to conform to various shapes and surfaces ensures a seamless fit and consistent sealing. This characteristic is particularly valuable for applications with complex geometries.
  5. Dampening and Vibration Control: Our sponge rubber seals excel at damping vibrations and reducing noise, improving comfort and operational stability across various applications.Customisation: At Advanced Seals and Gaskets, we understand that diverse industries have unique sealing requirements. Our Natural Sponge Rubber Seals can be customised in terms of size, shape, and specifications to meet your specific needs. This customisation allows the seals to suit particular project requirements.
  6. User-Friendly Installation: The design of our Natural Sponge Rubber Seals makes installation easy, minimising downtime during assembly, replacement, or maintenance.

 

Applications:

  • Appliances and Electronics: Natural Sponge Rubber Seals provide effective sealing for appliances and electronic enclosures, protecting sensitive components from moisture, dust, and contaminants.
  • Automotive Industry: These seals play a crucial role in automotive applications, sealing doors, windows, trunks, and engine compartments, thereby reducing noise and improving climate control. Natural sponge rubber seals are commonly used in these automotive applications due to their reliable performance.
  • Construction and Architecture: Natural Sponge Rubber Seals are utilised in building envelope systems, windows, doors, and roofing to ensure watertight and airtight seals.
  • HVAC Systems: Our seals are vital components in heating, ventilation, and air conditioning systems, contributing to energy efficiency and optimal performance. Natural sponge rubber seals are suitable for HVAC environments due to their excellent sealing and resistance properties.
  • Marine and Nautical: Natural Sponge Rubber Seals are used in maritime environments, providing sealing solutions for hatches, portholes, and other openings on vessels.

At Advanced Seals and Gaskets, we prioritise innovation, sustainability, and reliability in all our products. Our Natural Sponge Rubber Seals exemplify our commitment to excellence, offering superior sealing performance, customisation, and eco-friendliness. Choose Advanced Seals and Gaskets’ Natural Sponge Rubber Seals to elevate your industrial processes with dependable sealing solutions that also reflect environmental responsibility.

Natural sponge rubber is a lightweight, open-cell sponge available in a range of lengths, with a standard thickness of 3 mm to 25 mm. Natural sponge rubber seals exhibit a variety of resistance, offer excellent anti-vibration and acoustic absorption, and are available in a choice of grades. Our access to the latest technology enables us to add self-adhesive backings and films and to laminate the material if necessary.  All our seals require a different manufacturing process, and are made to order based on samples or drawings provided by our customers.

Here at Advanced Seals & Gaskets Limited, we perform all conversions on-site, ensuring complete quality control at every stage of the process. Whether we manufacture one-offs or in large quantities, we work closely with our customers to provide a completely bespoke service. Utilising state-of-the-art machinery and a highly trained workforce, we produce top-quality products to meet a wide range of specifications.

Natural sponge rubber is available from us in many other forms, including:

 

Product Enquiry

For information on Natural Sponge Rubber Seals please complete the following quick enquiry or call us on +44(0)1384 252555.






    Product Specification & Key Characteristics:

    • Colour: Black
    • Structure: Open cell
    • Thickness: 3mm to 25mm
    • Density: 380 Kg/m3
    • Hardness: Typically ranges from 20 to 40 Shore 00 for natural sponge rubber
    • Temperature Range: -40ºC - +80ºC
    • Tensile Strength:  28kkPaa
    • Elongation at Break: 250%

    What are Natural Sponge Rubber Seals?

    A seal is a device that joins two surfaces to serve as a barrier, preventing liquids, solids, or gases from escaping or penetrating the application. Supplied as standard in rolls, natural sponge rubber can be cut and shaped into a variety of seals meeting a range of specifications.

    This material is designed to maintain its performance even in contact with various substances, such as chemicals or weathering agents, ensuring durability and compatibility in demanding environments.

    Unlike its closed-cell counterparts, natural sponge rubber facilitates fluid circulation in applications that require it, while its multi-patterned skin ensures excellent compression and recovery properties.

    Why use Natural Sponge Rubber Seals?

    Natural sponge rubber is stocked in a range of lengths and thicknesses, ready for dispatch. Alternatively, we can cut and shape natural sponge rubber to meet individual requirements.

    Natural sponge rubber can also be supplied as a rubber strip to meet specific sealing or gasketing needs.

    Our customers often use natural sponge rubber to create seals against dust, air, water, and other contaminants on even and uneven surfaces. In addition, its superior anti-vibration and acoustic absorption make it suitable for applications such as protective packaging and sound-reducing floor strips.

    Different Grades of Natural Sponge Rubber

    Here at Advanced Seals & Gaskets Ltd, we work closely with a network of suppliers and manufacturers to ensure we offer a wide variety of products while keeping lead times to a minimum. Natural rubber sponge is a versatile material used in a range of industrial and soundproofing applications due to its durability and compression resistance. Rubber sponge products are available in multiple grades and formats to suit different requirements. There are many grades of natural sponge rubber available, including:

    Manufacturing Process

    The manufacturing process of sponge rubber is a carefully controlled sequence that determines the unique properties and performance of each product. It begins with the precise blending of natural rubber or synthetic materials—such as neoprene, EPDM, or nitrile sponge—with specialised foaming agents. This mixture is then whipped to evenly distribute the foaming agent evenly, ensuring a consistent cell structure throughout the material.

    Once the foam compound is prepared, it is shaped into the desired form—whether as sheets, rolls, or rubber strips—by pouring it into moulds or extruding it through dies. The next stage involves heating the compound, which activates the foaming agent. This process causes the material to expand, forming either an open-cell or closed-cell structure, depending on the specific requirements of the application. Open-cell sponge rubber, such as natural sponge rubber, allows air and moisture to circulate, making it ideal for applications where breathability and sound control are essential. In contrast, closed-cell sponge rubber, including EPDM and neoprene, offers excellent resistance to air, moisture, and gases, making it ideally suited for sealing applications that demand a watertight or airtight seal.

    After expansion, the material undergoes vulcanisation—a curing process that locks in its flexibility, durability, and excellent compression recovery properties. This step ensures that the sponge rubber can be compressed and return to its original shape, providing long-lasting performance in demanding environments.

    To meet the diverse needs of industrial applications, sponge rubber can be manufactured in various thicknesses, densities, and grades. Advanced technology and state-of-the-art machinery allow for precise control over these characteristics, enabling the production of lightweight or high-density materials tailored to specific uses. Additional processing options, such as the application of self-adhesive backing, further enhance the versatility of sponge rubber products, making installation quick and secure on a variety of surfaces, including uneven or complex shapes.

    Quality control is maintained at every stage of the process, ensuring that each batch of sponge rubber meets stringent standards for ozone, UV, and oil resistance, as well as other critical properties. Whether supplied as plain sheets, rolls, strips, or custom-cut forms, sponge rubber products from Advanced Seals & Gaskets are designed to deliver reliable sealing, vibration dampening, and sound control across a wide range of environments.

    By combining high-quality materials, advanced manufacturing techniques, and a commitment to customisation, we produce sponge rubber solutions that are both versatile and dependable—perfect for sealing, padding, and protective applications across industries such as automotive, construction, and aerospace.

    Benefits of Natural Sponge Rubber Seals?

    • Excellent compression recovery properties
    • Seal around uneven or complex shapes
    • Soft texture
    • Limited absorption of gases and fluids
    • Anti-vibration properties
    • Weathering & ozone resistance

    Advantages of using Natural Sponge Rubber Seals.

    Natural sponge rubber is available in a range of grades and thicknesses and offers many benefits, including its ability to seal uneven surfaces and complex shapes.

    Its excellent compression recovery and vibration-absorption properties make it an ideal material for applications such as flooring and packaging. In addition, natural sponge rubber offers numerous advantages, including its soft feel and open-cell structure that allows moisture to absorb and circulate slowly.

    Have a Question about Natural Sponge Rubber Seals?

    Please contact us using the form below or by calling us on +44(0)1384 252555.