Silicone foams make the most of base materials
A
MTI Leewood product story
Edited by the Engineeringtalk editorial team
Apr 10, 2007
High-tech silicone foam materials have been successful in answering the prayers of many researchers and product designers.
He who builds in sand has built in vain, says the ancient German proverb.
At that time, sand was the epitome of uselessness, although for thousands of years it has been added to building materials.
Since then modern chemistry has discovered the value that is inherent in sand and how best to use it; so we can build with sand in the positive sense of the words, and for all our benefits.
Sand is a compound of two elements which are extremely common on our planet - oxygen and silicon.
Silicon, however, never appears in its pure form but only in compounds, for example.
combined with oxygen in silicon dioxide, better known as sand.
The silicon contained in sand is the basis of a powerful group of chemical polymers, which have been known about for over a century, but only developed over the last 50 years.
Today they contribute extensively to making our life more pleasant in the form of silicone.
Silicone can be found in almost every area of our everyday life and, in particular in the area of high technology.
Examples include silicone heart-valves and silicone veins that help to save the lives of many.
Highly developed specialty silicones, which are unaffected by extreme temperature variations, ensure a secure and safe environment for highly sensitive electronic equipment in modern aircraft and space vehicles.
The chemists and technicians at MTI Leewood have been successful over the years in taking this basic silicon building block and producing a range of high-tech silicone foam materials which in turn have been successful in answering the prayers of many researchers and product designers.
MagniFoam silicone foams from MTI Leewood are a perfect choice for sealing, insulation, cushioning, sound and vibration damping and thermal management gaskets.
MagniFoam is a compressible silicone foam material with a mixed cell structure and is FDA compliant for food contact applications.
Other Benefits of MagniFoam silicone foam include very low flammability, low levels of smoke and toxicity in fire situations, very low compression set, low closure force, suitability for use at temperature extremes, outstanding UV and weather resistance and UL94V0 rating.
Foams are available in a range of thicknesses from 1.5 to over 25mm and a density range from 120-500kg/m3.
Applications examples for MagniFoam silicone foams include automotive seals and gaskets, telecommunications enclosure gaskets (radio basestations), electronics seals and gaskets, aerospace vibration damping, defence industry flame/heat barriers, and carpet underlay for mass transit.
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