R-320 Made in
Contact Adhesive America
Caution: Adhesive contains notable solvents and con- to come dry to the touch, but tacky,
tainer not in use should be kept closed. Keep adhesive
before joining the surfaces. Press the
away from sparks and open flames. Use with adequate
two surfaces together. Be sure the
ventilation and avoid excessive contact with the skin.
insulation is in the desired position
USES before the adhesive surfaces make
R-320 Contact Adhesive may be used initial contact, since the adhesive
for bonding elastomeric products to forms an instant bond, and reposition-
a variety of materials (i.e., other ing after contact is difficult. Moderate
elastomers, metal, wood, leather, felt, pressure should then be applied to the
concrete, etc.). The adhesive will make entire bonding area to insure complete
a resilient and heat-resistant bond. contact. Avoid heat, sparks, and open
It is suitable for line temperatures flames, and use only proper ventila-
up to 220藲F (104藲C) on applications tion. Close container after use. R-320
requiring bonded seams and joints. Contact Adhesive should be applied
When the adhesive is applied to large at above 40藲F (4藲C) temperatures, and
flat or curve surfaces, it is suitable for allowed to dry for 24 hours before
temperatures up to 200藲F (93藲C). equipment operation. Protective coat-
The product is supplied in a variety ings can be applied to applications with
DESCRIPTION
of sizes ranging from pint brush top bonded joints and seams, after allow-
R-320 Contact Adhesive is an
containers to gallon containers. Larger ing 24 hours dry time. Applications
air-drying solvent based neoprene
containers are available upon request. such as large tanks, or vessels where
contact adhesive that is excellent
full adhesive coverage is required,
for joining seams and butt joints
APPLICATION INSTRUCTIONS must be allowed to dry 7 days prior to
of elastomeric pipe and Sheet
For proper adhesion, the surfaces to applying a protective coating.
Insulation. R-320 Contact Adhesive
which the insulation is to be applied
will make a resilient moisture- and The surfaces may be dried and
must be thoroughly cleaned, dry, and
heat-resistant bond when used with solvent reactivated, if desired.
unheated. Primed and painted sur-
elastomeric products. R-320 Contact
faces should be adhesive tested to be Thinning the adhesive is not recom-
Adhesive鈥檚 higher solids content
sure the insulation will not lift off after mended. Common lacquer thinners
allows it to be brushed on easily
application. The adhesive should be can be used for clean up.
without running. It is ideal for bond-
thoroughly mixed. Brush or roll a thin
ing porous and non-porous materi-
even coat of adhesive on both surfaces
als, as it will not be absorbed easily.
to be joined. Allow the adhesive films
Physical Properties
Color Yellow
Base Neoprene
Solvents Toluene, Hexane, Acetone
Viscosity Medium Syrup
Solid Content 25% 卤 2%
Weight per gallon 6.98卤 .2 lbs.
Coverage 200 sq. ft. per gallon
Shelf Life One year in original sealed container. 鈥? Storage temperature 60掳F
Minimum Dry Time 2-4 minutes under normal conditions
Open Time Not to exceed 10 minutes
Temperature Limits 220掳F (104掳C) for pipe insulation seams and joints
220掳F (93掳C) for full bonding sheets
Flash Point Less than 0掳F
Freight Classifications Adhesives NOS. Flammable Liquid 4620 Sub 5, class 60, Un 1133, IMDG class 3.1
RBX Industries, Inc., 5221 ValleyPark Drive, Roanoke, VA 24019-3074
phone 800-765-6475 fax 800-656-9465 www.RBXIndustries.com
漏August 2003 RBX Industries, Inc. RBX is a trademark of RBX Industries, Inc. Nomaco is a registered trademark of Nomaco Inc. and NOMACO
K-FLEX is a trademark of NOMACO K-FLEX. ACC-0002-PS-0803
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