HMC Electronics 04024 Hardman Double Bubble Urethane, Purple/Beige Packet, General Purpose Adhesive User Manual
Hardman® tuff stuff ™ urethane a-85

Royal Adhesives and Sealants, LLC
600 Cortlandt Street
Belleville, NJ 07109 USA
Tel: (888) 442-7362
Tel: (973) 751-3000
Fax: (973) 751-8407
Web: www.royaladhesives.com
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HARDMAN® TUFF STUFF
™ Urethane A-85
DOUBLE/BUBBLE® Purple-Beige Package #04024
PRODUCT DESCRIPTION
TUFF STUFF Urethane A-85 is a fast setting, flexible,
elastomeric, two–component polyurethane adhesive. It
exhibits excellent peel strength and low temperature
flexibility.
Urethane A-85 is recommended for the following substrates:
Metal
Plastic
Other
Carbon Steel
Epoxy
Rubber
Aluminum Phenolic
Stone
Copper/Brass Polyester
Glass
Tin Urethane
China
Zinc Fiberglass
Leather
TYPICAL USES
Urethane A-85 is ideal for repairing construction and off-road
tires, flexible conveyor belts, printing press rollers, rubberized
fabrics, shoes, ski boots and other sports equipment. It is also
excellent for bonding refrigeration and AC equipment.
PACKAGING
The DOUBLE/BUBBLE package is a handy, dual-pouch, one-
shot, job-size packaging concept. It reduces the waste
typically associated with the use of larger quantities of two-
component adhesives. This unique packaging ensures that
DOUBLE/BUBBLE adhesives are always factory fresh and
accurately portioned for optimum adhesive performance.
Urethane A-85 is also available in poly bottles, 1-gallon cans,
5-gallon pails and 55- gallon drums.
HOW TO USE
Surface must be clean and dry before application. Remove all
chemicals, dirt, wax and oil.
FOLD
SNIP
SQUEEZE
MIX/APPLY
Fold the DOUBLE/BUBBLE package along the center seal, snip
the end, squeeze out the contents, mix thoroughly and apply.
TYPICAL UNCURED PROPERTIES
Part A
Part B
Mixed
Color
Amber
Black
Black
Viscosity @ 25 °C,cps.
45,000
35,000
40,000
Weight per Gallon, lbs.
8.46
14.52
10.16
Specific Gravity @ 25 °C
1.01
1.74
1.22
Work time, minutes
– – –
– – –
5-8
Handling strength, minutes
– – –
– – –
45
Shelf Life, months
18
18
– – –
TYPICAL CURED PHYSICAL PROPERTIES
(Tested at 25 °C unless otherwise indicated)
Test
Result
Hardness, Shore D
40
Tensile Strength, psi
>2,900
Elongation, %
>450
Tear Strength, pli
475
Abrasion Resistance
64
Maximum Service Temp.
66 °C (150 °F)
Lap Shear Strength (acid-etched aluminum to aluminum)
Test Temperature
–40 °C
25 °C
82 °C
149 °C
Shear Strength, psi
4,310
950
390
175
T–Peel Strength (acid-etched aluminum to aluminum)
Test Temperature
–40 °C
25 °C
82 °C
Peel Strength, pli
83
24
15
STORAGE AND HANDLING
Store DOUBLE/BUBBLE adhesives at room temperature in a
dry environment. Extreme low temperatures may cause
crystallization. Extreme high temperatures may degrade the
properties.
A wide variety of cleaning solutions are available for cured and
uncured epoxies and polyurethanes
SAFETY
These materials are intended for commercial and industrial
use only, and the practices of good housekeeping, safety and
cleanliness should be followed before, during and after use.
Although the system contains low volatility materials, care
should be taken in handling. Use adequate ventilation in the
work area.
DS-DB_04024-10/02-Rv.E
Documentation Provided By HMC Electronics
33 Springdale Ave. Canton, MA 02021
(800) 482-4440