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MagniCell™ closed cell silicone sponge

Rolls, sheets, molded parts, custom profiles, tubing, cords, buns, or fabricated to customer specifications

 
MagniCell™ closed cell silicone sponge is the all-round performer when it comes to industrial, military and commercial applications. No matter the industry, you should look at MagniCell for your elastomer needs.

MagniCell™ is an economical silicone sponge for a wide range of applications. It comes in sheeting, profiles, tubing and different colors and hardnesses. Our silicone compounds can be customized to meet your specific needs. MagniCell has closed cells; it is flame retardant, inert and will not support fungus or bacteria growth. It insulates, seals, absorbs and protects.

MagniCell Silicone Sponge is used in applications such as:

UV/Ozone resistant high performance gaskets
Thermal shielding
Condensation seals in gas fireplaces
Seals in equipment access panels
Frame gaskets for locomotive transformers
High temperature insulation tubing for autoclaves
Soft seal rings for filtering technology
Vibration mounts

MagniCell is available in five standard ASTM D-1056-00 grades. Don't see what you're looking for? Call us and tell us how we can help:

Type of MagniCell™ Used because it is…
Commercial A high quality silicone sponge; satisfies requirements of many temperature extreme environments
Low Compression Set Resistant to dimensional loss over extended periods under compression even in temperature extremes
Low Density
Groendyk Lite™
Exceptionally lightweight, compressible
Flame Resistant Low flame; meets many industry flame specifications
Fluorosilicone Resistant to chemicals
Conductive Thermally and/or electrically conductive
FDA Compliant with food additive regulations section 177.2600

 

Technical Data – Commercial   Return to Chart
Sheets   Extrusion   Density Max
(Ibs/ff3)
  Compression Deflection
25%  (psi)
  Max Thickness (inches)   ASTM
D1056
7104   5104   31   2-5   0.625   2D1
7204   5204   31   5-9   0.625   2D2
7304   5304   35   9-14   0.625   2D3
7404   5404   52   14-20   0.625   2D4
7504   5504   60   20-29   0.625   2D5

 

Technical Data – MTI Groendyk Lite™ Low Density Silicone Sponge Return to Chart
MTI Groendyk Lite is the lightest density closed cell silicone sponge in the world.  It is available in sheets, tape strips, or die cut to customer specification.  MTI Groendyk Lite is designed to meet various industry and manufacturer specifications, and is also available to in a low-flame grade that is UL listed.
 
Product   Density Max (Ibs/ff3)   Compression Deflection, 25% (psi)   Max Thickness (inches)   ASTM
D1056
7604   8   .5-5   2.25   2D1
7704   12   5-9   2.25   2D2
7904
(Flame Retardant)
  10   1.5-9.0   2.25   2D3

 

Technical Data – Flame Resistant MagniCell™ Return to Chart
MTI Groendyk manufactures its silicone sponge material to meet many low-flame application requirements.

Available specifications:
UL 94 (UL information)
Mil-R-6130, B or C, Soft, Medium, and Firm
BMS 1-60-E Type 1, Grade A, B, and C

 
Sheets   Extrusions   Density Max (Ibs/ff3)   Compression Deflection, 25% (psi)   MaMax Thickness (inches)   ASTM
D1056
7910 FR   5910 FR   31   1-6   2.25   2D1
7314 FR   5314 FR   35   6-13   2.25   2D2 / 2D3
7909 FR   5909 FR   52   14-22   2.25   2D4

 

Technical Data – FDA Return to Chart
Sheets   Extrusion   Density Max (Ibs/ff3)   Compression Deflection, 25%  (psi)   MaMax Thickness (inches)   ASTM
D1056
7104-FDA   5104-FDA   31   2-5   0.625   2D1
7204-FDA   5204-FDA   31   5-9   0.625   2D2
7304-FDA   5304-FDA   35   9-14   0.625   2D3
7404-FDA   5404-FDA   52   14-20   0.625   2D4
7504-FDA   5504-FDA   60   20-29   0.625   2D5