Propylene glycol trimethylene carbonate copolymer (PLA co PTMC)

Note: The molecular weight can be adjusted from 5000 to 300000, with heavy metals (calculated as lead) ≤ 300 μ g/g, tin residue (Sn) ≤ 200 μ g/g, and sulfate ash content ≤ 0.1%. Please refer to the standard YY/T 0661-2008.