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K-FLEX INSUL-TUBE
Technical specifications
FLAME SPREAD / SMOKE DEVELOPMENT
<25/50 (ASTM E84)
HOT SURFACE PERFORMANCE
No Cracking or Delamination (ASTM C411)
OPERATING TEMPERATURE RANGE 
-297°F* (-183°C) to +220°F (+104°C)** (ASTM C534)
*For applications below -40°F (-40°C), contact K-FLEX technical support.
**Intermittent temperature “spikes” to 250°F (121°C)
THERMAL CONDUCTIVITY 75°F (24°C) MEAN TEMP
0.245 (0.0353) (ASTM C 177)
UV / WEATHER RESISTANCE
Pass (QUV Chamber Test)
Outdoor applications should be protected with an approved K-FLEX coating or cladding.
WATER VAPOR PERMEABILITY (DRY CUP: ELASTOMERIC INSULATION)
<0.01 perm-in (ASTM E96)
DENSITY
3-6 lb/ft3 (ASTM D 1667)
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THERMAL
HVAC/R
PLUMBING
SOLAR
INDUSTRIAL
KÄLTEANLAGEN
LÜFTUNG
O.E.M.
OIL & GAS
RAIL & SHIPBUILDING
SPECIAL PRODUCTS
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