K-FLEX K 42-N - K-FLEX USA - Open Cell Foam

Identification & Functionality

Features & Benefits

Ready-to-Use Product Features: General Purpose,
Good Compression Set,
Thermally Insulating

Applications & Uses

Markets: Industrial
Applications: Industrial — Other Industrial Applications
Applications: Its viscoelastic properties, open cell structure and good air flow resistance make it excellent for acoustic insulation in building, HVAC/R, pipes and industrial applications.

Properties

	Value	Units	Test Method / Conditions
Appearance Change (Accelerated Aging)	None	—	ASTM D1056
Cell Structure	Closed	—	—
Compression Deflection Change (Accelerated Aging)	±30	%	ASTM D1056
Compression Resistance (25%)	max. 5 - 9	PSI	ASTM D1056
Compression Set (50%)	max. 25	%	ASTM D1056
Density	6 - 8	lb/ft3	ASTM D1056
Elongation	min. 100	%	ASTM D412 (DIE A)
Flammability	Pass	—	ASTM D5132
Flexibility (Accelerated Aging)	Pass	—	ASTM D1056
Fluid Immersion	max. 100	%	ASTM D1056 (FUEL B)
Ozone Resistance	Pass	—	ASTM D1171
Polymer	NBR/PVC/CR	—	—
Service Temperature	-40 - 200	°F	ASTM D1056
Tear Strength	min. 15	Lb/In	ASTM D624 (DIE C)
Tensile	min. 75	Psi	ASTM D412 (DIE A)
Thermal conductivity (75°F)	0.33	BTU-IN/HR-FT2-°F	ASTM C177
Water Absorption	max. 10	%	ASTM D1056

Technical Details & Test Data

Dimensions: Range

THICKNESS WIDTH ROLL LENGTH

Size Min (mm) Max (mm) Min (in) Max (in) Min (in) Max (in) Min (ft) Max (ft)

1/8" 3.2 3.7 0.126 0.146 54 56 100 101

3/16" 4.7 5.7 0.185 0.228 54 56 200 201

1/4" 6.4 7.7 0.252 0.303 54 56 200 201

3/8" 9.6 11.4 0.378 0.449 54 56 150 151

1/2" 12.7 15.3 0.5 0.602 54 56 100 101

5/8" 15.9 19.1 0.626 0.752 54 56 50 51

3/4" 19.1 23 0.752 0.906 54 56 50 51

1" 25.4 30.1 1 1.185 54 56 50 51

1-1/4" 31.8 36.9 1.252 1.453 54 56 50 51

1-1/2" 38.1 43.2 1.5 1.701 54 56 50 51

Packaging & Availability

K-FLEX® K 42-N