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E-Glass Fiber (neat) vs Glass Wool (Insulation)

Property comparison of E-Glass Fiber (neat) and Glass Wool (Insulation), both glass.

Glass3 compared properties
PropertyE-Glass Fiber (neat)Glass Wool (Insulation)Difference
Density2,540 kg/m³24 kg/m³-99%
Thermal conductivity1 W/m·K0.035 W/m·K-97%
Specific heat810 J/kg·K840 J/kg·K+4%

Difference is Glass Wool (Insulation) relative to E-Glass Fiber (neat). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.

Identification

E-Glass Fiber (neat)
standard
ASTM D578
Glass Wool (Insulation)
standard
ASTM C547

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