Rubatex
INSUL-SHEET
®
Sheet Insulation Made in America
Designed for the HVAC/R Industry
Flexible Closed Cell Insulation
INSUL-SHEET® has a very tough Additional vapor barrier protection
skin which withstands tearing, rough may be necessary for INSUL-SHEET®
handling, and severe environmental when installed on low temperature
conditions, and yet is quite flexible for surfaces that are exposed to
easy installation. INSUL-SHEET® has continuous high humidity.
superior cold weather flexibility.
FLAME AND SMOKE RATING
INSUL-SHEET® thickness has been
INSUL-SHEET® Insulation in thick-
calculated to control condensation
nesses of 1" (25 mm) and below has a
on cold surfaces. Refer to the table
flame spread rating of 25 or less and
on the reverse side for specific
a smoke development rating of 50 or
recommendations.
less as tested by ASTM E 84 Method
of Testing entitled: “Surface Burning
INSTALLATION
Characteristics of Building Materials.�
When INSUL-SHEET® Insulation is
applied to ductwork and equipment, Numerical flammability ratings alone may not define
the performance of products under actual fire condi-
use a 100% coverage of an RBX- tions. They are provided only for use in the selection of
approved contact adhesive. Since it is products to meet limits specified, when compared to a
DESCRIPTION known standard.
a contact adhesive, both surfaces to
INSUL-SHEET® Insulation is an be joined should be coated and then
SPECIFICATION COMPLIANCE
environmentally friendly, CFC-free, joined after the adhesive is dry to
flexible elastomeric thermal insulation. ASTM C 534 Type 2 (Sheet)
the touch. Compression joints with
ASTM D 1056-00-2C1
It is black in color, marked in gold adhesive applied should be used on
ASTM C 1534-02
ink, and supplied as flat sheets (36" all butt edges. INSUL-SHEET® is also (Duct Liner Specification)
x 48") in standard thicknesses (1/8" available with pre-applied pressure New York City MEA 186-86-M Vol. IV
thru 2") in increments of 1/8" (except sensitive adhesive (PSA) and easy USDA Requirements
7/8"). It is supplied skin two sides. to use release liner. Contact RBX UL 94-5V Flammability Classification
INSUL-SHEET® is also available in Industries for specific installation (Recognition No. E147665)
rolls, with a standard roll width of instructions. ASTM E 84 1" 25/50-tested according to
48". INSUL-TUBE® 180 key physical UL 723 and NFPA 255
properties are approved through Complies with requirements of
OUTDOOR APPLICATIONS
supervision by Factory Mutual CAN/ULC S102-M88
For optimum performance, outdoor
Research Corporation. NFPA No. 101 Class A Rating
applications require RBX 374 UV
Meets requirements of NFPA 90A
Protective Coating. For best appear-
APPLICATIONS Sect. 2.3.3 for Supplementary
ance, two coats are recommended.
INSUL-SHEET® Insulation is used to Materials for Air Distribution Systems
For more detailed information refer
retard heat gain and prevent con- Meets requirements of UL 181
to the Application Guide.
densation or frost formation on cold sections 11.0 and 16.0
equipment, ducts, or large O.D. pipes. (Mold Growth/Air Erosion)
RESISTANCE TO MOISTURE
It also effectively retards heat loss Meets requirements of ASTM C-411
VAPOR FLOW
when used on hot equipment, ducts, (Test Method for Hot Surface Performance of
The closed-cell structure and unique
or large pipes. INSUL-SHEET® is High Temperature Thermal Insulation)
formulation of INSUL-SHEET® effec-
recommended for applications ranging MIL-P-15280, Form S (Sheet)
tively retards the flow of moisture
from -70°F to 220°F (-57°C to 104°C)
vapor, and is considered a low trans-
when used as pipe insulation where
mittance vapor retarder. For most
only the seams and butt joints are
applications, INSUL-SHEET® needs
glued. When full adhesion application is
no additional protection.
used, the upper limit is 200°F (93°C).
Phone 800-765-6475
INSUL-SHEET® Sheet Insulation
PRODUCT DATA
Test
INSUL-SHEET®
Physical Properties
Methods
Insulation
Thermal Conductivity (K) 90°F (32°C) Mean Temp .270 (.039) ASTM C 177
BTU -in/hr - Ft2 - °F (W/mK) 75°F (24°C) Mean Temp .265 (.038) ASTM C 177
50°F (10°C) Mean Temp .260 (.037) ASTM C 177
Operating Temperature Range Upper 220°F (104°C)
Flexible to -40°F (-40°C) Lower -70°F (-57°C)
Water Vapor Permeability Dry Cup. Perm-In .10 ASTM E 96
Water Absorption % weight gain 5% ASTM D 1056
Ozone Resistance Pass ASTM D 1171
Chemical/ Solvent Resistance Good
Mildew Resistance/Air Erosion Pass UL 181
Thickness Recommendations* - To Control Condensation
Sheet Size Ducts - 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 80ËšF, 26ËšC - 50% R.H.) 1/8" 3mm 1/4" 6 mm 1/2" 13 mm 3/4" 19 mm
Severe Conditions (Max 90ËšF, 32ËšC -80% RH) 3/4" 19 mm 1-1/4" 32 mm** 1-3/4" 44 mm** 2" 50 mm**
**Multiple Layers
*INSUL-SHEET® in thickness noted within the specified temperature ranges will prevent condensation on indoor piping under design conditions
defined below. Thickness recommendations above 1" can be layered to achieve thickness.
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.
INSUL-SHEET® “R� Values per square foot
R Value R Value 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 1/2� (38 mm) Wall 2� (50 mm) Wall
1.5 1.9 2.9 3.8 5.7 7.6
Note: “R� factors were calculated using a K factor of .264 (75°F, 24°C mean temp.) and nominal wall thickness in 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
©February 2003 RBX Industries, Inc. INSUL-SHEET, 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. INS-0003-PS-0203
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