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K-FLEX-HT 2

Base Polymer EPDM  
Cell Structure Closed  
Color Black  
Density 3 – 6 LB/FT3 ASTM D1056
25% Compression Resistance 2 – 4 PSI ASTM D1056
50% Compression Set 35 % Max ASTM D1056
Tensile 30 PSI Min ASTM D412 (DIE A)
Elongation 125 % Min
ASTM D412 (DIE A)
Tear Strength 6 LB/IN Min ASTM D624 (DIE C)
Water Absorption 10 % Max ASTM D1056
Flammability 25/50-Rated (Up to 1”)
Listed
ASTM E84
UL 94 HF-1, V-0, 5VA
Service Temperature -65°F to +300°F  
Ozone Resistance Pass ASTM D1171
Thermal Conductivity (75°F) 0.26 BTU-IN/HR-FT2-°F ASTM C177
Water Vapor Permeability <0.10 PERM-IN ASTM E96
Maximum Thickness 1-1/4”  
Thickness Tolerance ≤1": +/-10%  
Standard Width 48”, 54”  
Specification Compliance Grade 2 ASTM C534

K-FLEX HT Technical Data Sheet

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