Product HighlightsINSUL-TUBE® is a flexible, closed-cell elastomeric tube insulation product used to conserve energy and prevent condensation on piping applications. The product's closed-cell structure creates exceptional thermal properties (k-value of 0.245 at 75F and wvt of .03 perm-in) that protect against moisture penetration in applications within a -297°F to +220°F temperature range.
INSUL-TUBE® is widely used in the HVAC/R and plumbing markets for its cold weather flexibility, durable skin surface, exacting manufacturing tolerances and lasting performance. It is available in 6' lengths in a range of wall thicknesses ranging from 3/8" to 2" and is 25/50-rated, according to ASTM E-84 standards for surface burning characteristics of building materials, up to 2" wall thickness.
INSUL-TUBE® is non-porous, non-fibrous and resists mold, fungal and bacterial growth. For added protection, it is protected with an EPA-approved antimicrobial agent.
INSUL-TUBE® is GREENGUARD® certified under the Children and Schools classification and is approved through supervision by the Factory Mutual Research Corporation.
California residents: see Proposition 65 Warning
Weight 0.28 Pounds Length 72.00 Inches Width 1.50 Inches Height 1.50 Inches Country of Origin USA Brand K-Flex Tier Insul-Tube Flame/Smoke Rating ASTM E84 - 25/50 Insulation Nominal I.D. 1/2" Iron Pipe Nominal Size 1/4" R-Value R2 Wall Thickness 1/2" UV Resistant Yes Diameter 0.500" Includes Product and technical support Application HVAC / Refrigeration Approvals UL, FM, Greenguard Color Black Composition Closed Cell Flexible Elastomeric Foam Insulation Copper Tube Size (OD) 1/2" For Use With K-Flex Insulation System Functions Thermal Insulation Material Closed Cell Flexible Elastomeric Foam Insulation Standards ASTM C534 Temperature Range -297°F to 220°F (-182.7°C to 104.4°C) Type Pipes Green Environmental Attribute Saves Energy LEED Rating EA Credit 1 if installed per ASHRAE 90.1
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