I received a request for pyrolysis test of the filter

I was asked to test whether the filter can be thermally decomposed from companies that are producing filters that absorb high temperature dust, such as iron factories and ironworks.
It is a filter that can withstand high temperatures, so it seems that it is not easy to be thermally decomposed. However, the used filter came back from various plants and was in trouble with processing, and he asked for a test of thermal decomposition.
9 test patterns of magnetic pyrolysis
Among many kinds, the target of this time is nine things including raw materials and fibers before processing.

Chemical fiber
For the test, pack the material in this can and place it in the pyrolyzer together with the can. By opening a moderate hole in the lid, you can see what kind of state it has changed without mixing with other items.

Chemical fiber

Chemical fiber and PPS mixed material
It seems that the absorption of dust is good and it is the main product of the company which received the request.

Chemical fiber 20% and Glass fiber 80%
It is a powerful fiber containing 80% of glass fiber.
However, glass fiber can not be processed even by thermal decomposition.
Because glass is an inorganic matter.

Chemical fiber 10% and Glass fiber 90%
It is almost glass fiber.
It also has water resistance, it seems to be a special product used also when making water flow in the ground.

Mixed material with PPS has been used
I brought a used filter and tested it. Actually, this is an industrial waste, so we are planning to introduce a magnetic pyrolysis machine.

Glass thread

PPS

PET
Everyday, it is a raw material of PET bottles that we often see. It seems that it is also used for special filters.
What is the actual test method?

I covered the can and put it in the magnetic heat separator (MG 22) as it was.
This picture is taken out after 24 hours.
There are items that can not be opened due to circumstances of the client company, but we record it in another article.
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