Silicone Sponges

Here at ASG we offer a multitude of materials, including the highest quality range of silicone materials in various grades, colours and thicknesses. Silicone sponges material is manufactured in roll form for thicknesses up to 12.5mm and in sheet form for thicknesses above this and up to 45mm, with a skin finish on both faces.

Silicone sponges can be supplied in full sheets and rolls, or as finish parts, as our onsite facilities house a range of state of the art conversion machinery including a range of presses, CNC machines, slitting machines and log cutters, enabling us to supply Silicone Sponge as various parts including cut strip, pads, washers and gaskets for use in a multitude of applications, all of which can be supplied covered in one of our many foils or self adhesive tapes.

Silicone Sponges

Material Enquiry

For information on Silicone Sponges please complete the following quick enquiry or call us on +44(0)1384 252555.

    Key Characteristics of Silicone Sponge

    • Colour: Black, White, Red Oxide, Blue
    • Thicknesses available: 1mm to 45mm
    • Density: 200KG/M³ - 530KG/M³
    • Resistances: Ozone, Oxidation, Ultraviolet light,Corona discharge, Cosmic radiation, Ionising, radiation, and Weathering
    • Temperature Range: -60°C - 230°C

    Help and guidance

    If you would like to speak to a representative to discuss your specific application or requirements please call our sales office direct on 01384 469100, alternatively you can send an E-mail. Simply click on the link and forward us your details along with your question and we will contact you immediately.

    Samples - Technical Silicone Sponges

    Samples can be submitted for testing upon request.

    Call now for sample requests or further help.

    What Are Silicone Sponges?

    Silicone sponge is an elastomeric material, expanded during the heat-curing stage, which in return creates the closed cell structured sponge, which is low toxicity and CFC free which makes it an environmentally friendly material. Silicone Sponge is a highly versatile material, which can be used in place of its solid rubber variant, where a softer, conformable material is needed, designed to offer exceptional sealing, cushioning, vibration insulation and insulation properties.

    Why Use Silicone Sponges?

    Silicone sponges offer superior mechanical properties and many of the performance benefits of solid silicone, but in a softer and more conformable form, as it has excellent resistance to compress (bounce back to its original shape and thickness).

    Silicone sponge also has a wide operating temperature range of around -60C to 260C, resistance to UV and ozone - therefore suitable for outdoor applications and in comparison to other sponge materials offer more strength and durability.

    The closed cell structure of this material means it will make excellent sealing components for the prevention of leaks or ingress of air, dus and water, even with fairly low levels of compression.

    The Advantages of Using Silicone Sponge

    There are many advantages to using silicone sponge in many applications and throughout a range of industries due its durable and rugged nature. Silicone sponge is a closed cell material which means it is water resistant and can be used to create moisture tight seals.

    Some of the other excellent properties includes the material wide operating temperature range of -60°C to 230°C, environmental resistant properties meaning it can withstand Ozone, UV and Corona Damage along with general weathering from rain, wind and frost etc where many other materials and rubbers can become brittle and crack.

    These excellent features make silicone sponge a great choice for sealing in outdoor applications such as within HVAC units, light and electrical enclosures when a tight water seal is vital. Silicone sponge can be used in thermal insulation applications as well as for sealing and vibration dampening.

    The material is manufactured in rolls and sheets in a range of standard thicknesses, but can be split down to non standard ones upon request and can be cut down and converted into a range of finishing usable products including strips, pads, gaskets and washers.

    Benefits Of Using Silicone Sponge

    • UV & Ozone resistant
    • Strong and durable
    • Available in a variety of Grades
    • Excellent recovery following compression
    • Closed cell
    • Excellent sealing properties

    Different Grades of Silicone Sponge Available

    • Flame Retardant Silicone Sponge
    • Food Quality
    • High Recovery Silicone SPonge
    • High Temperature Silicone SPonge
    • Fluorosilicone Sponge
    • Thermally Conductive Silicone Sponge
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