Density Effect on Flame Retardancy, Thermal Degradation, and Combustibility of Rigid Polyurethane Foam Modified by Expandable Graphite or Ammonium Polyphosphate.

Polymers (Basel) · 2019 · PMC6523672 · PMID 30979071

Europe PMC DOI

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extremely significantno p-value reported

For the RPUF/EG systems, the LOI value of foams increased linearly from 24% to 27% with the apparent density increased from 30 to 90 kg/m 3 , which indicated that the effect of apparent density on flame retardancy of foam in presence of EG is extremely significant.

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