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ADHESIVE FOCUS
ELECTRONIC ISSUE OF GLU GURUTM'S
QUARTERLY NEWSLETTER
Volume V Issue 1
Winter 1999
IN THIS ISSUE
LOW ODOR
LOW SHRINK
METHACRYLATE
ADHESIVES
from ITW Plexus
Plexushigh performance structural adhesives
represents
a breakthrough in adhesive technology.
Plexus structural methacrylate adhesives provide
superior performance across a wide range of substrates including today’s
most advanced, difficult-to-bond plastics, metal and composite assemblies
and now with a unique combination of excellent fatigue endurance,
outstanding impact resistance, superior toughness and now
LOW ODOR and LOW SHRINKAGE.
LOW ODOR
LOW ODOR and LOW SHRINKAGE
FORMULATIONS
FORMULATIONS
MA920
MA1020
MA922
MA1025
MA925
See Inside Spread for complete Technical Data
Information including Benefits, Characteristics, Physical and Mechanical
Properties, Chemical Resistance and Recommended Uses. All these
adhesives may be applied manually or with automated equipment.
MA920
is a low odor two-part methacrylate adhesive designed for structural bonding
of thermoplastic, metal and composite assemblies. MA920 is a breakthrough
in methacrylate adhesive technology because it combines high strength,
excellent fatigue endurance, and outstanding impact resistance into a low
odor product. Mixed at a 10:1 ratio, it has a working time of 4 to 6 minutes
and achieves 75% of ultimate strength in 15 to 18 minutes. Plexus MA920
requires virtually no surface preparation on most substrates. Plexus MA920
is blue when mixed and is supplied in ready-to-use cartridges, 5 gallon
pails, or 50 gallon drums and can be dispensed as a non-sagging gel using
standard meter-mix equipment.
Benefits
Low Odor
No Surface Preparation
High Toughness
100% Reactive
Non-Sagging
Characteristics
Room Temp.Cure
Working Time
4 - 6 minutes
Fixture Time
15 - 18 minutes
51F Flash Point Operating Temperature
Suggested
-670F to 250F
Gap Filling to .375 in. Mixed Density
8.10 lbs/gal (.97 g/cc)
Recommended for:
ABS,Acrylics Aluminum*, FRP Gelcoats , PVC
Polyesters (including DCPD modified) Steel, Carbon Steel,Stainless*
Styrenics Urethanes (General) Vinyl Esters * Plexus Primer
Chemical Resistance
Excellent resistance to: Hydrocarbons, Acids
and Bases (3-10PH), Salt Solutions
Susceptible to: Polar Solvents, Strong Acids
and Bases
Physical Properties (Uncured) -Room Temperature
Adhesive
Activator
Viscosity, cp 100,000 -
125,000 50,000 - 70,000
Color Off-White
Blue
Density, lbs/gal (g/cc) 8.00(0.96)
8.95(l.07)
Mix Ratio by Volume 10
1
Mix Ratio by Weight 8.9
1
Mechanical Properties (Cured)-Room Temperature
Tensile (ASTM D638)
Strength, psi 2700-3000
Modulus, psi 75,000-100,000
Strain to Failure (%)
80-100
Lap Shear (ASTM D1002
Cohesive Strength psi 1500-2000
MA922 is a low odor two-part methacrylate adhesive designed
for structural bonding of thermoplastic, metal and composite assemblies.
MA922 is a breakthrough in methacrylate adhesive technology because it
combines high strength, excellent fatigue endurance, and outstanding impact
resistance into a low odor product. Mixed at a 10: 1 ratio, it has a working
time of 17 to 24 minutes and achieves 75% of ultimate strength in 35 to
40 minutes. Plexus MA922 is finding wide usage for composites bonding applications
in the transportation and marine industries, because it requires virtually
no surface preparation. Plexus MA922 is blue when mixed and is supplied
in ready-to-use cartridges, 5 gallon pails, or 50 gallon drums, and can
be dispensed as a non-sagging gel using standard meter-mix equipment.
Benefits
Low Odor
No Surface Preparation
High Toughness
100% Reactive
Non-Sagging
Recommended for:
ABS Acrylics, FRP Gelcoats, Polyesters (including
DCPD modified)
PVC
Urethanes (General)
Styrenics
Vinyl Esters
Characteristics
Room Temp. Cure
Working Time
17 - 24 minutes Fixture Time
35 - 40 minutes
51F Flash Point Operating Temperature
-67F to 250F Gap Filling to .375 inches Mixed
Density
8.10 lbs/gal (.97 g/cc)
Chemical Resistance
Excellent resistance to: Hydrocarbons, Acids
and Bases (3-10PH), Salt Solutions
Susceptible to: Polar Solvents, Strong Acids
and Bases
Physical Properties (Uncured) -Room Temperature
Adhesive Activator
Viscosity, cp 100,000 - 125,000
10,000-20,000
Color Off-White
Blue
Density, lbs/gal (g/cc)8.00(0.96)
8.85(1.06)
Mix Ratio by Volume 10
1
Mix Ratio by Weight 9.0
1
Mechanical Properties (Cured)-Room Temperature
Tensile (ASTM D638)
Strength, psi 1800-2200
Modulus, psi 70,000-90,000
Strain to Failure
75-100
Lap Shear (ASTM D1002
Cohesive Strength psi 1400-1700
MA925
is a low odor two-part methacrylate adhesive designed for structural bonding
of thermoplastic, metal and composite assemblies. MA925 is a breakthrough
in methacrylate adhesive technology because it combines high strength,
excellent fatigue endurance, and outstanding impact resistance into a low
odor product. Mixed at a 10:1 ratio, it has a working time of 30 to 35
minutes and achieves 75% of ultimate strength in 80 to 90 minutes. Plexus
MA925 is finding wide usage for composites bonding applications in the
transportation and marine industries, because it requires virtually no
surface preparation. Plexus MA925 is blue when mixed and is supplied in
ready-to-use cartridges, 5 gallon pails, or 50 gallon drums, and can be
dispensed as a non-sagging gel using standard meter-mix equipment.
Benefits
Low Odor
No Surface Preparation
High Toughness
Excellent Durability
100% Reactive
Non-Sagging
Recommended for:
ABS,
Acrylics
FRP
Gelcoats
Polyesters (including DCPD modified)
PVC
Urethanes (General)
Styrenics
Vinyl Esters
Characteristics
Room Temp. Cure
Working Time
30-35 minutes
Fixture Time
80-90 minutes
51F Flash Point Operating Temperature
-67F to 250F Gap Filling to .3 75 inches Mixed
Density
8.05 lbs/gal (.96 g/cc)
Chemical Resistance
Excellent resistance to: Hydrocarbons, Acids
and Bases (3-10PH), Salt Solutions
Susceptible to: Polar Solvents, Strong Acids
and Bases
Physical Properties (Uncured) -Room Temperature
Adhesive Activator
Viscosity, cp
100,00-125,000 10,000-20,000
Color Off-White Blue
Density, lbs/gal (g/cc) 7.95(0.95) 8.85(1.06)
Mix Ratio by Volume 10 1
Mix Ratio by Weight 9
1
Mechanical Properties (Cured)-Room Temperature
Tensile (ASTM D638)
Strength, psi 1700-2200
Modulus, psi 40,000-50,000
Strain to Failure (%) 100-120
Lap Shear (ASTM D1002
Cohesive Strength psi 1400-1700
MA1020
is a two-part methacrylate adhesive designed for structural bonding of
thermoplastic, metal, and composite assemblies. Combined at a 10:1 ratio,
it has a working time of 4 to 6 minutes and achieves 75% of ultimate strength
in 15 to 20 minutes. This product is the standard for structural bonding
because it requires virtually no surface preparation and exhibits low cure
shrinkage. In addition, this product provides a unique combination of excellent
fatigue endurance, outstanding impact resistance, and superior toughness.
MAI 020 is available in blue and is supplied in ready to use cartridges,
5 gallon pails or 50 gallon drums to be dispensed as a non-sagging gel.
Benefits
Low Odor
Low Shrinkage
No Surface Preparation
Excellent Durability
High Toughness
100% Reactive
Non-Sagging
Characteristics
Room Temperature Cure
Working Time
4 - 6 minutes
Fixture Time'
15 - 20 minutes
5 1 *F Flash Point Operating Temperature
-67F to 250F Gap Filling to .3 75 inches
Mixed Density
8.23 lbs/gal (.99 g/cc)
Recommended for:
ABS
Acrylics
FRP
Gelcoats
Polyesters (including DCPD modified)
PVC
Urethanes (General)
Styrenics
Vinyl Esters
Physical Properties (Uncured) -Room Temperature
Adhesive Activator
Viscosity, cp 100,000
- 125,000 50,000 - 70,000
Color
Off-White Blue
Density, lbs/gal (g/cc) 7.8 (.94)
8.9 (1.07)
Mix Ratio by Volume 10 1
Mix Ratio by Weight 8.9 1
Physical Properties (Uncured) -Room Temperature
Adhesive Activator
Viscosity, cp 100,000
- 125,000 50,000 - 70,000
Color
Off-White Blue
Density, lbs/gal (g/cc) 7.8 (.94)
8.9 (1.07)
Mix Ratio by Volume 10 1
Mix Ratio by Weight 8.9 1
Mechanical Properties (Cured)-Room Temperature
Tensile (ASTM D638)
Strength, psi 1750-2000
Modulus, psi 60,000-80,000
Strain to Failure (%)
90-110
Lap Shear (ASTM D1002
Cohesive Strength psi 1250-1600
MA1025 is is a two-part
methacrylate adhesive designed for structural bonding of thermoplastic,
metal, and composite assemblies. Combined at a 10: 1 ratio, it has a working
time of 20 to 25 minutes and achieves 75% of ultimate strength in 40 to
45 minutes. This product is the standard for structural bonding in the
marine industry, because it requires virtually no surface preparation and
exhibits low cure shrinkage. Plexus MA1025 is designed to be used for bonding
stringers and liners into fiberglass boats with bond lines up to one inch
thick. In addition, this product provides a unique combination of excellent
fatigue endurance, outstanding impact resistance, and superior toughness.
Plexus MA1025 is available in blue and is supplied in ready to use cartridges,
5 gallon pails or 50 gallon drums to be dispensed as a non-sagging
gel.
Benefits
Low Odor
Low Shrinkage
No Surface Preparation
High Toughness
100% Reactive
Non-Sagging
Excellent Durability
Characteristics
Room Temp.Cure
Working Time
20-25 minutes
Fixture Time
40 - 45 minutes
51F Flash Point Operating Temperature
-67F to 250F
Gap Filling to 1.0 in. Mixed Density
8.23 lbs/gal (.99 g/cc)
Recommended for:
ABS
Acrylics
FRP
Gelcoats
Polyesters (including DCPD modified)
PVC
Urethanes (General)
Styrenics
Vinyl Esters
Chemical Resistance
Excellent resistance to: Hydrocarbons, Acids and Bases (3-10PH),
Salt Solutions
Susceptible to: Polar Solvents, Strong Acids and Bases
Physical Properties (Uncured) -Room Temperature
Adhesive Activator
Viscosity, cp 100,000-125,000 10,000-20,000
Color
Off-White Blue
Density, lbs/gal (g/cc) 7.8(.94) 8.9(l.07)
Mix Ratio by Volume 10 1
Mix Ratio by Weight 8.8 1
Mechanical Properties (Cured)-Room Temperature
Tensile (ASTM D638)
Strength, psi 1750-2000
Modulus, psi 80,000-80,000
Strain to Failure (%) 90-110
Lap Shear (ASTM D1002
Cohesive Strength psi 1250-1600
Call 1-800-323-5158 for more information.
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