Table 1 Details of fillers reinforced in bio-based epoxy.

From: Sustainable development of bioepoxy composites reinforced with recycled rigid polyurethane foam for mechanical, thermal, acoustic, and electromagnetic applications in a circular economy approach

Filler

Size (µm)

Density

Specific heat

Melting point

PU

100–150

50–170 kg/m3

1,200–1,800 J/kgK

65–120 °C

VMT

10–50

64–160 kg/m3

%1.%2-%3.%4 J/kgK

1240 – 1430 °C

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