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Silicone Engineering > Products > Silicone Sheeting > Silicone Sponge Sheeting

Silicone Sponge Sheeting

 

Discover the benefits of kSil™ Silicone Sponge & Foam Sheeting

Silicone Engineering's kSil™ sponge and foam sheeting provides the best quality in continuous rolls or sheets. Our silicone sponge sheeting is part of our silicone rubber sheeting range

With a range of thicknesses from 0.8mm to 12.5mm delivered in rolls or up to 35mm in sponge sheeting.

kSil™ Sponge Sheeting Features

  • Up to 1100mm wide

  • Closed cell

  • Extremely low water absorption (<1%)

  • Excellent Ozone and UV resistance

  • Offered in densities ranging from 200 kg/m3 (very soft) to 530 kg/m3 (Firm)

  • Available in white, riox and dark grey as standard

  • Thermally stable over a wide range of temperatures: -60°C to 230°C

  • Manufactured in a range of thicknesses from 0.8mm to 12.5mm in rolls, up to 35mm in sheets

Read more about kSil™

Why Silicone Engineering?

Silicone Engineering have been manufacturing silicone sponge and foam for over 55 years. Throughout this time, our vast knowledge and expertise in the material has allowed us to develop a range of grades, densities and thicknesses all manufactured on-site at our facility in Blackburn, UK. Whatever type of silicone sponge sheeting you require, Silicone Engineering is here to help. 

Silicone Engineering's kSil™ silicone sponge sheeting range offers excellent compression properties when used to produce gaskets and seals, especially where the sealing surface is not smooth. With water absorption at <1%, kSil™ sponge gives excellent sealing properties from water and dust ingress, therefore providing protection to the application. 

Processed on calendered production lines and controlled by modern technologies such as re-roll and cross cutting units, the flatness and widths of the sponge sheeting stays consistent to give a high quality, smooth finish.

 

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Silicone Sponge Manufacturer and Supplier

Being the only silicone sponge sheeting manufacturer in the UK, we are experts in calendered closed cell sponge. Manufactured on state of the art processing lines, our kSil™ silicone sponge brand is known across industries for providing excellent physical performance and temperature resistance in many applications.

Available in a number of special grades, we can formulate our silicone sponge to suit your application(s).  

Silicone sponge sheeting supplier to the following industries

 
 
 
 
 
 
 
 
silicone contact page
 

Calendered Sponge Sheeting at Silicone Engineering

 
 

Silicone Sponge Capabilities

 
 
 Density (kg/m³)  Thickness (T)  Width (W)  Length (L)
 200 - 250  1.5mm - 12mm 1.0m   10m
 350  1.5mm - 8mm 1.0m  10m
 400  1.5mm - 6mm 1.0m  10m
 450  1.5mm - 5mm 0.8m  10m
 530  1.5mm - 4mm 0.8m  10m
 200 - 250  13mm - 15mm 1.0m  5m
 350  9mm - 10mm 1.0m  5m
 400  7mm - 10mm 1.0m  5m
 450  6mm - 8mm 0.8m  5m
 530  5mm - 8mm 0.8m  5m
 200 - 250  16mm - 35mm 1.0m  1m
 

What is the Difference Between Open & Closed Cell Sponge?

Open Cell Sponge

Open cell basically means that each cell, or if you like bubble, is openly connected to the next cell. These cells are not complete closures therefore water, moisture and dust can very readily make their way into the cell structure.

A good example of an open cell sponge is the type of sponge that is used to wash a car or wash the dishes at home. If you place the sponge in a bucket of water, you see the sponge soaking up lots of water which is then squeezed out again onto the car. The water is allowed to pass through each cell, therefore gets absorbed and held within the sponge.

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Closed Cell Sponge

Closed cell sponge is what we manufacture and supply at Silicone Engineering. It has a much different cell structure to open cell. Each cell in a closed cell sponge is a complete closed sphere, trapping air within each cell. Unlike open cell, water, moisture and dust cannot readily enter the cell structure due to the lack of connectivity between the cells. Closed cell sponge is great for sealing when water and dust need to be kept out of an application as it has very low water absorption.

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kSil™ silicone sponge has excellent compression set and can perform at extreme temperatures. This makes it suitable for many applications such as

  • Seals
  • Gaskets
  • Insulation
  • Vibration Dampening

kSil­™ silicone sponge comes in a range of densities from 200kg/m(very soft) up to 530kg/m(firm). Each density can be used for a range of applications depending on compression requirements.

Our silicone sponge is closed cell meaning it has extremely low water absorption. This allows the sponge to be used as gaskets and seals in many outdoor applications. For example gaskets for HVAC units, Lighting systems and Electrical Enclosures are just a few applications where minimal water ingress is vital.

    

Silicone sponge rubber is a closed cell elastomeric material that is designed for exceptionally reliable sealing, cushioning, vibration insulation and insullation.

Silicone sponge is resistant to environmental extremes from Ozone to UV rays and has an extremely wide temperature range from 230°C to -60°C making it the ideal sealing material in applications where environmental conditions are unstable or volatile.

Rubber is essentially the original name given to Latex, a natural rubber harvested from the rubber tree. Latex was the first rubber-like material invented.

Silicone, although a rubber, is more suited to being classed as an elastomer or synthetic rubber, a man made polymer with elastic properties. This gives silicone a variety of benefits over more conventional elastomer such as:

  • Silicone's extreme temperature resistance from +230°C to -60°C means it outperforms the majority of other elastomers
  • Silicone has excellent environmental resistant properties meaning it can withstand Ozone, UV and Corona Damage along with general weathering from rain, wind, frost etc. Other rubbers become brittle and crack
  • Silicone is a great insulator and is used in many thermal insulation applications to regulate temperatures.

 

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