What is the best way or procedure for preparation of expandable vermiculite for intumescent mountain mat for catalytic converters?
Dear Sousan,
I suggest that you read the following patent:
file:///C:/Users/Rafik%20Karaman/Downloads/US5384188.pdf
https://www.google.ps/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjR3oTSjILLAhUB1xQKHUQpBe8QIAgfMAA&url=https%3A%2F%2Fwebcache.googleusercontent.com%2Fsearch%3Fq%3Dcache%3A9IZ_VNir7LUJ%3Ahttps%3A%2F%2Fpatentimages.storage.googleapis.com%2Fpdfs%2FUS5384188.pdf%2B%26cd%3D1%26hl%3Den%26ct%3Dclnk%26gl%3Dps&usg=AFQjCNEKaBxqZmLJhO5wX9_oIQiA8bda8A&sig2=796eo7sHkdH6Uf9zGihcyA&bvm=bv.114733917,d.d24
INTUMESCENT SHEET
This invention is in the ?eld of intumescent mat mate rials, especially ?exible, resilient mat materials adapted to serve, among other things, as heat-activated ?restops
in openings through the walls, ?oors and ceilings in buildings and to support, protect and cushion the fragile ceramic catalyst support found in catalytic converters
for motor vehicles.
Hoping this will be helpful,
Rafik
Dear Rafik
Thanks a lot for your response I had already this patent but they dont explique how prepare expandable vermiculite. Do you know if expandable graphite is expensive or not?
Hi Sousan,
It is cheap. You can check via these links:
http://www.alibaba.com/showroom/expandable-graphite.html
http://www.made-in-china.com/products-search/hot-china-products/Expandable_Graphite.html
http://acsmaterial.com/product.asp?cid=116&id=148
Good luck,
Rafik
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