K-FLEX K-FIT
K-FIT fittings are factory-fabricated fittings made from NBR/PVC-based closed cell, flexible elastomeric foam insulation. They are produced under controlled conditions using an automated process to ensure uniformity, good fit and watertight seams. They are environmentally friendly as they are free of CFCs, HFCs, HCFCs, PBDEs, formaldehyde and fibers. An EPA registered antimicrobial agent is incorporated into the product providing additional protection against mold, fungal and bacterial growth. They are UL GREENGUARD Gold Certified for low VOC emissions.
Technical specifications
CHEMICAL/SOLVENT/OIL/GREASE RESISTANCE
Good
CORROSION RISK
pH neutral: 6.6 +/-0.04
DENSITY
3-6 lb/ft3
DIMENSIONAL STABILITY
<7% Linear Shrinkage
FLAME SPREAD / SMOKE DEVELOPMENT
<25/50 (up to 2” wall)
FLAMMABILITY
Self-Extinguishing
HOT SURFACE PERFORMANCE (250°F FOR 96 HOURS)
No Cracking or Delamination
LEACHABLE CHLORIDES
<0.05% water-soluble chloride ions
MAIN COMPOSITION
Flame-retarded NBR/PVC-based elastomeric foam
ODOR
No Objectionable Odor
OPERATING TEMPERATURE RANGE
-297°F* (-183°C) to +220°F (104°C)
*For applications below -40 F (-40 C), contact K-FLEX technical support.
*For applications below -40 F (-40 C), contact K-FLEX technical support.
OZONE RESISTANCE
Pass
THERMAL CONDUCTIVITY (K) BTU-IN/HR-FT2-°F (W/MK)
90°F (32°C) Mean Temp = 0.258 (0.0372)
75°F (24°C) Mean Temp = 0.245 (0.0353)
32°F (0°C) Mean Temp = 0.235 (0.0339)
75°F (24°C) Mean Temp = 0.245 (0.0353)
32°F (0°C) Mean Temp = 0.235 (0.0339)
UV / WEATHER RESISTANCE
Pass*
*Outdoor applications should be protected with an approved K-FLEX coating or cladding.
*Outdoor applications should be protected with an approved K-FLEX coating or cladding.
WATER ABSORPTION
0%
WATER VAPOR PERMEABILITY
<0.01 perm-in
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