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R-50 — Vermiculite

Material Id
Vermiculite
Record Id
50
Date
6/1/1936
Density (lb/ft3)
9
Description
Expanded
Form
Loose
K W Mk (W/mK)
0.55
Material
Vermiculite
Mean Temp (F)
75
R Value per Inch (ft2hF/BTU/in)
0.262233
Rsi per Inch (m2K/W/in)
0.046182
Standard
Nist Srd 81 API

Source: NIST SRD 81 API

vermiculite — record id 50 · rsi per inch 0.0461818 m2K/W/in · r value per inch 0.262233 ft2hF/BTU/in · date 6/1/1936 · k w mk 0.55 W/mK | Insulation R Values | Engineering Database