Hot Polymer Filtration
Stainless Steel powders
Polymer Filtration powders
The oxidation resistance of the powder is an indicator of the inertness of the material in a polymer environment. A heat treatment of the powder at 300°C in an electrical furnace will oxidize the particle surfaces. It can be seen that P-270 is less prone to oxidation than regular 316L material.
Powders with low oxide content are very important in order to maintain a low degree of interaction with the polymer. This is especially important from the perspectives of light reflection and dye-evenness of the yarn.
This effect can clearly be seen on yarn from a pack that has been held too long at elevated temperatures prior to spinning.
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