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The document discusses the concentration levels of a C-8 fluorosurfactant in a TE-3311 dispersion produced by E.I. du Pont de Nemours & Company, indicating that measurable levels were found to be between 200 ppm and 300 ppm, with an expectation of around 1200 ppm, suggesting that some of the C-8 may be trapped within the PTFE polymer.
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1979 |
AR226-3332
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b5z3k7z1nrwzOEoOLzJBE9axZ |
4 |