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R-1038 — Vermiculite

Material Id
Vermiculite
Record Id
1038
Date
8/1/1956
Delta T (F)
24.23
Delta X (in)
1.0168
Density (lb/ft3)
8.266
Description
Aggregate, 1 MM to 3 mm, Placed in Wood Frames
Form
Loose
K W Mk (W/mK)
0.4782
Material
Vermiculite
Mean Temp (F)
73.75
R Value per Inch (ft2hF/BTU/in)
0.301606
Rsi per Inch (m2K/W/in)
0.053116
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

vermiculite — record id 1038 · rsi per inch 0.0531159 m2K/W/in · r value per inch 0.301606 ft2hF/BTU/in · date 8/1/1956 · k w mk 0.4782 W/mK | Insulation R Values | Engineering Database