EPDM Sponge Half Round Section – 25mm x 12.5mm

Item Code: RC-S003-25

Material:Expanded EPDM
Size:25mm x 12.5mm
Hardness (Shore OO):40°
Estimated delivery:1 to 3 working days

Subject to availability – product lead times can vary

from £107.38

Key Features & Benefits

  • Air and watertight
  • Extremely durable
  • Highly resistant material
  • Easy to cut to size
  • Lightweight
  • High quality materials
  • Non-marking material
  • 100% recyclable

Product Information

EPDM Sponge Half Round Section 25mm x 12.5mm

This EPDM sponge half round section 25mm x 12.5mm is a highly durable as well as versatile seal. We find that our customers typically use this product in automotive applications. This product is the ideal tool for use as either door seals, window seals, top seals, boot seals, or bonnet seals. The highly versatile nature of the product enables easy usage on a range of applications from classic cars, buses, caravans, aircraft, to rail and marine among a host of other industries. The high-quality EPDM material we use for manufacturing offers excellent air and watertight properties. It is also highly resistant to both weathering and chemical abrasion.

This particular product has a maximum base width of 25mm, which makes this product suitable for larger profile sealing. The wider base also provides a larger surface area, which allows for a more secure installation. This feature is particularly important for seals as if they become loose, the sealing properties of the product become redundant. The top of this product features a curved design which gives the seal two main benefits. Firstly it allows the product to compress under pressure without warping or deterioration, which increases the life of the product. Secondly, the curve enables the product to fill any irregularities, which ensures it achieves an air and watertight seal at all times.

We have a wide selection of sponge extrusions in a variety of different shapes and sizes to fit any application. Click here to view our full sponge profile section.

Durable and Easy to Install

We design this product specifically to be able to withstand a variety of impacts while still maintaining its original shape. This ensures that you are able to get a lot of use out of the product without fear of warping or deterioration during use. We manufacture this product from a high-quality EPDM rubber due to the unique properties the material offers. EPDM offers outstanding resistance to heat, ozone, as well as weather while also offering good resistance to both polar substances and steam. EPDM also has excellent electrical insulating properties while being able to withstand a range of chemicals from ketones, ordinary diluted acids, to alkalies. All of these factors ensure that you can use this product in a wide variety of applications, requiring little to no maintenance.

EPDM is also lightweight which makes transportation and installation simple and fast. This product can be cut using standard household tools to meet any size you require.

A Variety of Applications

  • Automotive applications
  • Electronics
  • Construction trades
  • Shock absorbers
  • Gaskets
  • Glazing and closure seals
  • Jointing expansion
  • Weather strips

Shipping and Manufacture

Our EPDM sponge half round section 25mm x 12.5mm is shipped direct to you from our warehouse in Romsey, Hampshire in the United Kingdom. This product is also quality tested by our specialist staff. This ensures that we can offer you the best quality product possible.

Technical Data

ApplicationsSeals, surface protection, waterproofing, industrial, home use
ProductSponge extrusion
MaterialExpanded EPDM
Hardness (Shore OO)40°
Size25mm x 12.5mm
Maximum temperature115°C
Minimum temperature-40°C



DatasheetAdhesive Sponge Extrusions


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