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"effect of blowing agents on the thermal and mechanical properties of rigid polyurethane foams"
author: a. gupta et al.
journal: journal of cellular plastics, 2018 -
"environmental performance of low gwp blowing agents in polyurethane foam insulation"
author: m. johnson
journal: energy and buildings, 2020 -
"comparative study of physical blowing agents for rigid polyurethane foams"
author: t. nakamura
journal: polymer engineering & science, 2019
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