Explore the Engineering Database more efficiently by signing up for free. Sign up free

R-257 — Diatomaceous Earth

Name: Insulation R Values — diatomaceous_earth: record id 257 · rsi per inch 0.0577273 m2K/W/in · r value per inch 0.327791 ft2hF/BTU/in · date 8/7/1941 · k w mk 0.44 W/mK
Creator: Engineering Database

Material Id: Diatomaceous Earth
Record Id: 257
Date: 8/7/1941
Delta X (in): 0.56
Density (lb/ft3): 19.3
Description: Paper Backing (both faces), Specimen B, ½ in.
Form: Board
K W Mk (W/mK): 0.44
Manufacturer: Silicair Co.
Material: Diatomaceous Earth
Mean Temp (F): 98.4
R Value per Inch (ft2hF/BTU/in): 0.327791
Rsi per Inch (m2K/W/in): 0.057727
Standard: Nist Srd 81 API
Trade Name: Silicair

Source: NIST SRD 81 API

Browse more civil engineering reference tables →

diatomaceous_earth — record id 257 · rsi per inch 0.0577273 m2K/W/in · r value per inch 0.327791 ft2hF/BTU/in · date 8/7/1941 · k w mk 0.44 W/mK | Insulation R Values | Engineering Database