Silicone cords spongy
- Product Information
- Extrusion
- Applications
- Images
- Available Products

At MEREFSA, we offer sponge silicone cords in various densities, ranging from 0.25 gr/cm³ to 0.53 gr/cm³. Available in a wide selection of diameters and different lengths, we also offer other formats and dimensions upon request, adapting to the specific needs of each customer.

Product Information
In the process of extruding sponge silicone profiles and seals, our standard is presented in off-white color with a density of 0.25 gr/cm³. However, we offer the possibility of manufacturing in any color, subject to a minimum quantity, and in densities of 0.3 gr/cm³, 0.4 gr/cm³, 0.5 gr/cm³, 0.6 gr/cm³, and 0.8 gr/cm³, adapting to the specific needs of each customer.

Spongy silicone cords extrusion
We manufacture sponge silicone seals through extrusion in a wide variety of formats, including cords with diameters ranging from 2 mm to 75 mm, rectangular and square profiles from 2 mm x 2 mm to 75 mm x 75 mm, as well as tubes with inner diameters starting at 2 mm and outer diameters up to 100 mm.
Our extrusion process allows us to supply sponge silicone profiles and seals in any shape, based on a drawing or sample, with standard lengths of 25 m, 50 m, 100 m, 250 m, and 500 m. Additionally, upon request, we offer custom dimensions and pieces cut from 1 mm in length. We have special formulations for high temperatures, withstanding up to +250 ºC, and certified options for food contact according to FDA regulations.

Applications
Although there is no specific manual for its use, we recommend using sponge silicone profiles in applications where it is necessary to absorb differences in material tolerances to be sealed or welded, as well as in cases where significant compression of the material is required with optimal recovery of its shape.
We do not recommend using sponge silicone profiles in processes subjected to high mechanical stresses. For these cases, we offer custom solutions by manufacturing welded gaskets custom-made from any sponge silicone seal.
For your convenience, we have developed an app to facilitate the consultation of our silicone profiles and seals. Through this tool, you can find the profile you need and even download the drawing, along with our complete product catalog.
Images





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M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³, Ø 25 mm.
| On request | P.V.P.: 62,25 € /5 U (VAT not included) | Term: Request | Ref. CEWH252500
SHOPOn request -
M. RED BRICK SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 15 mm C.S.
| Stock: 25 U | P.V.P.: 163,75 € /25 U (VAT not included) | Term: 1/3 days | Ref. CERT251500
SHOPStock: 25 U -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 11 mm
| On request | P.V.P.: 48,10 € /10 U (VAT not included) | Term: Request | Ref. CEWH301100
SHOPOn request -
M. WHITE SPONGE SILICONE CORD 0,25 gr/cm³ Ø 18 mm
| On request | P.V.P.: 191,25 € /25 U (VAT not included) | Term: Request | Ref. CEWH251800
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 9 mm
| Stock: 650 U | P.V.P.: 201,00 € /50 U (VAT not included) | Term: 1/3 days | Ref. CEWH250900
SHOPStock: 650 U -
M. RED BRICK SILICONE CORD SPONGE 0,25 gr/cm³ Ø 10 mm
| Stock: 250 U | P.V.P.: 109,00 € /25 U (VAT not included) | Term: 1/3 days | Ref. CERT251000
SHOPStock: 250 U -
M. WHITE SPONGE SILICONE TUBE DENS. 0,25 gr/cm³ Øe 12 mm x Øi 3 mm
| On request | P.V.P.: 336,00 € /50 U (VAT not included) | Term: Request | Ref. TEWH250120030
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 G/CM3, Ø 32 mm.
| On request | P.V.P.: 541,75 € /25 U (VAT not included) | Term: Request | Ref. CEWH253200
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 37 mm
| On request | P.V.P.: 600,00 € /25 U (VAT not included) | Term: Request | Ref. CEWH253700
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 5 mm
| On request | P.V.P.: 165,50 € /50 U (VAT not included) | Term: Request | Ref. CEWH300500
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 10 mm
| Stock: 170 U | P.V.P.: 48,72 € /10 U (VAT not included) | Term: 1/3 days | Ref. CEWH301000
SHOPStock: 170 U -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 8 mm
| Stock: 125 U | P.V.P.: 96,25 € /25 U (VAT not included) | Term: 1/3 days | Ref. CEWH300800
SHOPStock: 125 U -
M. BLACK SILICONE CORD SPONGE 0,25 gr/cm³ Ø 5 mm
| Stock: 100 U | P.V.P.: 167,50 € /50 U (VAT not included) | Term: 1/3 days | Ref. CEBK250500
SHOPStock: 100 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³, Ø 30 mm.
| On request | P.V.P.: 95,25 € /5 U (VAT not included) | Term: Request | Ref. CEWH253000
SHOPOn request -
M. SPONGE SILICONE CORD WHITE DENS. 0,25 gr/cm³, Ø 16 MM
| On request | P.V.P.: 169,50 € /25 U (VAT not included) | Term: Request | Ref. CEWH251600
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø19 mm
| On request | P.V.P.: 213,00 € /25 U (VAT not included) | Term: Request | Ref. CEWH251900
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,39 G/CM3, Ø 20 mm.
| On request | P.V.P.: 255,00 € /25 U (VAT not included) | Term: Request | Ref. CEWH392000
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 G/CM3, Ø 35 mm.
| On request | P.V.P.: 107,40 € /5 U (VAT not included) | Term: Request | Ref. CEWH253500
SHOPOn request -
M. BLACK SILICONE CORD SPONGE 0,25 gr/cm³ Ø 2 mm
| Stock: 2500 U | P.V.P.: 154,00 € /50 U (VAT not included) | Term: 1/3 days | Ref. CEBK250200
SHOPStock: 2500 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 G/CM3, Ø 22 mm.
| On request | P.V.P.: 52,50 € /5 U (VAT not included) | Term: Request | Ref. CEWH252200
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 15 mm
| On request | P.V.P.: 63,70 € /10 U (VAT not included) | Term: Request | Ref. CEWH301500
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 2 mm
| Stock: 2600 U | P.V.P.: 183,00 € /100 U (VAT not included) | Term: 1/3 days | Ref. CEWH250200
SHOPStock: 2600 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 3 mm
| Stock: 500 U | P.V.P.: 189,00 € /100 U (VAT not included) | Term: 1/3 days | Ref. CEWH250300
SHOPStock: 500 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 4 mm
| Stock: 900 U | P.V.P.: 195,00 € /100 U (VAT not included) | Term: 1/3 days | Ref. CEWH250400
SHOPStock: 900 U -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 5 mm
| Stock: 9500 U | P.V.P.: 210,00 € /100 U (VAT not included) | Term: 1/3 days | Ref. CEWH250500
SHOPStock: 9500 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 6 mm
| Stock: 900 U | P.V.P.: 225,00 € /100 U (VAT not included) | Term: 1/3 days | Ref. CEWH250600
SHOPStock: 900 U -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 6 mm
| On request | P.V.P.: 152,00 € /50 U (VAT not included) | Term: Request | Ref. CEWH300600
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 7 mm
| Stock: 200 U | P.V.P.: 240,00 € /100 U (VAT not included) | Term: 1/3 days | Ref. CEWH250700
SHOPStock: 200 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 8 mm
| Stock: 200 U | P.V.P.: 180,00 € /50 U (VAT not included) | Term: 1/3 days | Ref. CEWH250800
SHOPStock: 200 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 10 mm
| Stock: 850 U | P.V.P.: 214,50 € /50 U (VAT not included) | Term: 1/3 days | Ref. CEWH251000
SHOPStock: 850 U -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 11 mm
| On request | P.V.P.: 232,50 € /50 U (VAT not included) | Term: Request | Ref. CEWH251100
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 12 mm
| Stock: 200 U | P.V.P.: 247,50 € /50 U (VAT not included) | Term: 1/3 days | Ref. CEWH251200
SHOPStock: 200 U -
M. WHITE SILICONE CORD SPONGE 0,39 gr/cm³ Ø 12 mm
| On request | P.V.P.: 62,70 € /10 U (VAT not included) | Term: Request | Ref. CEWH391200
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 13 mm
| On request | P.V.P.: 131,25 € /25 U (VAT not included) | Term: Request | Ref. CEWH251300
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,3 gr/cm³ Ø 13 mm
| On request | P.V.P.: 60,10 € /10 U (VAT not included) | Term: Request | Ref. CEWH301300
SHOPOn request -
M. WHITE SPONGE SILICONE CORD DENS. 0,25 gr/cm³ Ø 14 mm
| On request | P.V.P.: 172,50 € /25 U (VAT not included) | Term: Request | Ref. CEWH251400
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 15 mm
| Stock: 475 U | P.V.P.: 161,25 € /25 U (VAT not included) | Term: 1/3 days | Ref. CEWH251500
SHOPStock: 475 U -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 17 mm
| On request | P.V.P.: 191,25 € /25 U (VAT not included) | Term: Request | Ref. CEWH251700
SHOPOn request -
M. WHITE SILICONE CORD SPONGE 0,25 gr/cm³ Ø 20 mm
| On request | P.V.P.: 223,50 € /25 U (VAT not included) | Term: Request | Ref. CEWH252000
SHOPOn request

On request
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