Paraformaldehyde, PFA, is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8 to 100 units. It is a poly acetal.

Paraformaldehyde, PFA, is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8 to 100 units. It is a poly acetal. - 74099271

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