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R-1583 — Polytetrafluoroethylene

Name: Insulation R Values — polytetrafluoroethylene: record id 1583 · rsi per inch 0.0143115 m2K/W/in · r value per inch 0.0812643 ft2hF/BTU/in · date 2/8/1965 · delta x 0.2558 in
Creator: Engineering Database

Material Id: Polytetrafluoroethylene
Record Id: 1583
Date: 2/8/1965
Delta T (F): 10.48
Delta X (in): 0.2558
Density (lb/ft3): 134.5
Description: ¼ in.
Form: Block
K W Mk (W/mK): 1.7748
Manufacturer: E.I. Du Pont De Nemours & Co.
Material: Polytetrafluoroethylene
Mean Temp (F): 62.7
R Value per Inch (ft2hF/BTU/in): 0.081264
Rsi per Inch (m2K/W/in): 0.014311
Standard: Nist Srd 81 API
Test Method: ASTM C 177
Trade Name: Teflon®
Uncertainty: 1

Source: NIST SRD 81 API

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polytetrafluoroethylene — record id 1583 · rsi per inch 0.0143115 m2K/W/in · r value per inch 0.0812643 ft2hF/BTU/in · date 2/8/1965 · delta x 0.2558 in | Insulation R Values | Engineering Database