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

R-636 — Perlite

Name: Insulation R Values — perlite: record id 636 · rsi per inch 0.0489026 m2K/W/in · r value per inch 0.277682 ft2hF/BTU/in · date 11/12/1948 · k w mk 0.5194 W/mK
Creator: Engineering Database

Material Id: Perlite
Record Id: 636
Date: 11/12/1948
Delta T (F): 21.87
Delta X (in): 0.9754
Density (lb/ft3): 14.5
Description: Specimens Placed in Wood Frames (TUC-96D)
Form: Loose
K W Mk (W/mK): 0.5194
Material: Perlite
Mean Temp (F): 128.97
R Value per Inch (ft2hF/BTU/in): 0.277682
Rsi per Inch (m2K/W/in): 0.048903
Standard: Nist Srd 81 API
Test Method: ASTM C 177

Source: NIST SRD 81 API

Browse more civil engineering reference tables →

perlite — record id 636 · rsi per inch 0.0489026 m2K/W/in · r value per inch 0.277682 ft2hF/BTU/in · date 11/12/1948 · k w mk 0.5194 W/mK | Insulation R Values | Engineering Database