Product Description

Compliance
ROCKWOOL ProRox PS 680 pipe sections fully comply with the requirements as set by internationally recognized standards like ASTM C547: Grade A for Type I, II, IV, V. and ASTM C795.

Product Properties in accordance with ASTM C547

Thermal conductivity at mean temperature ASTM C335
Tm (°F)                        100       200       300       400       500      600      700
λ (BTU.in/hr.ft2.°F)    0.27      0.31      0.36      0.41     0.47     0.54     0.61
Tm (°C)                         38        93         149        204      260      316      371   
λ (W/mK)                  0.039   0.045     0.052    0.059   0.068   0.077   0.089

Maximum use temperature ASTM C447
1,400^oF (760^oC)

Sag resistance ASTM C411
<2% at 1,400^oF (760^oC)

Linear Shrinkage ASTM C356
<1% at 1,400^oF (760^oC)

Surface Burning Characteristics ASTM E84
Flame spread index = 25; Smoke development index = 50

Corrosion Resistance ASTM C692, ASTM C795, ASTM C871, ASTM C795, EN 13468
Evaluation on external stress corrosion cracking tendency of austenitic stainless steel = Passed
Chemical analysis for Cl- , Fl- , Na+ , SiO4 4-: Results fall within acceptability limits of ASTM C795
Trace quantity of water leachable chloride ions: ≤ 10 ppm

Water absorption EN 13472
≤ 0.04 lb/ft² (≤ 0.2 kg/m²)
≤ 0.04 lb/ft² (≤ 0.2 kg/m²) (After 24 hrs. pre-heating at 482°F (250°C))

Vapor sorption ASTM C11104
<1% Weight

Influence on coating systems VW 3.10.7
Free from substances (e.g. silicone oil) that might impair surface wetting

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General Insulation Company is a B2B distributor – supplier with over 50 locations across the U.S. that stocks and fabricates a wide variety of mineral wool pipe insulation products for commercial, industrial, and residential construction markets.