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R-258 — Diatomaceous Earth

Name: Insulation R Values — diatomaceous_earth: record id 258 · rsi per inch 0.0612048 m2K/W/in · r value per inch 0.347537 ft2hF/BTU/in · date 8/8/1941 · k w mk 0.415 W/mK
Creator: Engineering Database

Material Id: Diatomaceous Earth
Record Id: 258
Date: 8/8/1941
Delta X (in): 1
Density (lb/ft3): 16.6
Description: Paper Backing (both faces), Specimen D, 1 in.
Form: Board
K W Mk (W/mK): 0.415
Manufacturer: Silicair Co.
Material: Diatomaceous Earth
Mean Temp (F): 98.1
R Value per Inch (ft2hF/BTU/in): 0.347537
Rsi per Inch (m2K/W/in): 0.061205
Standard: Nist Srd 81 API
Trade Name: Silicair

Source: NIST SRD 81 API

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diatomaceous_earth — record id 258 · rsi per inch 0.0612048 m2K/W/in · r value per inch 0.347537 ft2hF/BTU/in · date 8/8/1941 · k w mk 0.415 W/mK | Insulation R Values | Engineering Database