therma-cel
®
Sheet Insulation Made in
Flexible Closed Cell Insulation America
and chemical resistant properties and Additional vapor barrier protection
has a broad service temperature range may be necessary for therma-cel®
between -160°F and 200°F (-105°C Sheet Insulation when installed on
and 92°C). It can be installed in low temperature surfaces that are
commercial, industrial and residential exposed to continuous high humidity.
insulation projects.
FLAME AND SMOKE RATING
INSTALLATION therma-cel® Sheet Insulation in wall
When therma-cel® Sheet Insulation thicknesses of 1" (25 mm) and below
is applied to equipment, use 100% has a flame spread rating of 25
coverage of RBX R-320 Contact or less and a smoke development
Adhesive or other RBX-approved rating of 50 or less as tested
adhesive system. Since it is a contact by ASTM E 84 Method of Testing
adhesive, both surfaces to be joined entitled: “Surface Burning Char-
should be coated and then joined acteristics of Building Materials.�
after adhesive is dry to the touch. Numerical flammability ratings alone may not define
Compression joints with adhesive the performance of products under actual fire
conditions. They are provided only for use in the
applied should be used on all butt
selection of products to meet limits specified, when
DESCRIPTION edges. Refer to Installation Guidelines compared to a known standard.
therma-cel® Sheet Insulation is a for specific instructions.
flexible, polyethylene, thermal
SPECIFICATION COMPLIANCE
insulation. It is black in color and OUTDOOR APPLICATIONS ASTM C-1427
available in sheet and roll form. Outdoor applications require a pro- New York City MEA 305-92-M Vol. IV
Standard sheet size is 36" x 48" in tective coating (high quality exterior USDA Requirements
thicknesses of 1/4�, 3/8", 1/2", 3/4" acrylic latex paint) for optimum ASTM E 84 1" 25/50-tested
and 1". Standard roll width is 48" performance. For best appearance, according to UL 723 and NFPA 255
available in the same thickness. two coats are recommended. Complies with requirements of
CAN/ULC S102-M88
APPLICATIONS CFC/HCFC Free
RESISTANCE TO MOISTURE
therma-cel® Sheet Insulation is used Halogen Free
VAPOR FLOW
to retard heat flow and provide con- The closed-cell structure of therma-cel®
densation control on large diameter Sheet Insulation effectively retards the
piping, tanks, vessels and equipment. flow of moisture vapor and is consid-
ered a low transmittance vapor retarder.
therma-cel® Sheet Insulation has a
For most applications, therma-cel®
low thermal conductivity and very
Sheet Insulation needs no additional
low water vapor transmission rate.
protection.
This low density product demon-
strates excellent thermal, physical
Phone 800-765-6475
therma-cel ®
Sheet Insulation
PRODUCT DATA
therma-cel® Test
Physical Properties Sheet Methods
Insulation
Thermal Conductivity (K) 90°F (32°C) Mean Temp .255 (.037) ASTM C 177
BTU -in/hr - Ft2 - °F (W/mK) 75°F (24°C) Mean Temp .250 (.036) ASTM C 177
50°F (10°C) Mean Temp .245 (.035) ASTM C 177
Operating Temperature Range Upper 200°F (92°C)
Flexible to -100°F (-73°C) Lower -160°F (-105°C)
Water Vapor Permeability Dry Cup. Perm-In .05 ASTM E 96
Ozone Resistance Pass ASTM D 1171
Chemical/ Solvent Resistance Good
Mildew Resistance/Air Erosion Pass UL 181
Thickness Recommendations* - To Control Condensation
Sheet Size Tanks - Vessels - Equipment - Metal - Surface Temperature
50°F 10°C 35°F 2°C 0°F -18°C -20°F -29°C
Normal Conditions (Max 85°F, 29°C - 70% R.H.) 1/2" 13 mm 3/4" 19 mm 1-1/4" 32 mm** 1-1/2" 38 mm*
Mild Conditions (Max 80°F, 26°C - 50% R.H.) 3/8" 10 mm 1/2" 13 mm 3/4" 19 mm 3/4" 19 mm
Severe Conditions (Max 90°F, 32°C - 80% RH) 3/4" 19 mm 1" 25 mm 1-1/2" 38 mm** 2" 50 mm*
**Multiple Layers
*therma-cel® Sheet Insulation in thickness noted within the specified temperature ranges will prevent condensation on indoor piping under design
conditions defined below.
Normal: Maximum severity of indoor conditions seldom exceed 85°F (29°C) and 70% R.H. in United States.
Mild: Typical conditions are most air-conditioned spaces and arid climates.
Severe: Generally found in areas where excessive moisture is introduced or in poorly ventilated areas where the temperature may be depressed
below the ambient.
Under conditions of high humidity, additional thickness of insulation may be required.
therma-cel® “R� Values per square foot
R Value R Value R Value R Value
3/8" (10 mm) Wall 1/2" (13 mm) Wall 3/4" (19 mm) Wall 1" (25 mm) Wall
1.5 2.0 3.0 4.0
Note: “R� factors were calculated using a K factor of .250 (75° F, 24° C mean temp.) and nominal wall thickness is each case.
Lower operating temperatures will result in improved R values. Contact RBX Industries, Inc. for specific recommendations.
RBX Industries, Inc., 5221 ValleyPark Drive, Roanoke, VA 24019-3074
phone 800-765-6475 fax 800-656-9465 www.RBXIndustries.com
©February 2003 RBX Industries, Inc. therma-cel, Rubatex, and RBX Industries are registered trademarks of RBX Industries, Inc. Nomaco is a
registered trademark of Nomaco Inc. and NOMACO K-FLEX is a trademark of NOMACO K-FLEX. THER-0002-PS-0203
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