
Polyolefin Monomer Ratio Verification Methods in Customs Tariff Classification
Polyolefin customs classification hinges on a strict 95 percent monomer threshold verified by high-temperature 13C-NMR over secondary FTIR methods.

Polyolefin customs classification hinges on a strict 95 percent monomer threshold verified by high-temperature 13C-NMR over secondary FTIR methods.
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