2:1 epoxy structural adhesive
|
Epoxy |
Feature |
color |
Viscosity (cps) |
Ratio |
Working time (minute) |
Fixture time (minute) |
Curing time (Hour) |
|
EST-420DP |
Toughened, flowalbe, fire retardant |
Off-white, Black |
8,000-14,000 |
2:1 |
15-30 |
120 |
24 |
|
EST-460DP |
Toughened, flowalbe, fire retardant |
Off-white |
20,000-50,000 |
2:1 |
60-90 |
240 |
24 |
|
EST-490DP |
toughness and high strength;excellent heat and environmental resistance |
Black |
70,000 |
2:1 |
90 |
240 |
24 |
|
EST-HP20 |
Easy mixed, toughened |
Off-white |
30,000 |
2:1 |
20 |
120 |
24 |
|
EST-HP60 |
High performance |
Off-white |
45,000 |
2:1 |
60 |
≧180 |
24 |
|
EST-HP120 |
High temperature resistant, chemical resistant |
Off-white |
30,000 |
2:1 |
120 |
≧180 |
24 |
|
EST-CL30 |
Middle working time, chemical resistant |
colorless to slight yellowish |
10,000 |
2:1 |
30 |
≧180 |
24 |
General Description
UVALAM EST-HP60 is a two component 2:1, Off-white, toughened, medium viscosity, industrial grade epoxy adhesive with extended working life.
Once mixed, this epoxy cures at room temperature to form a tough, off-white bondline and works on plastic, metal, glass, rubber, wood and ceramic...
When fully cured, the epoxy is resistant to a wide range of chemicals and solvents, and acts as an excellent electrical insulator.
Typical applications
Typical applications include general purpose industrial applications requiring extended work life for adjusting parts during assembly.
Product characteristics:
|
Chemical Type |
Epoxy |
|
Appearance (Resin) |
Pale yellow liquid |
|
Appearance (Hardener) |
yellow liquid |
|
Appearance (Mixture) |
Off-white |
|
Components |
Two component 2:1 (requires mixing) |
|
Viscosity |
Medium |
|
Mix Ratio, (by volume) |
Resin : Hardener = 2 : 1 |
|
Mix Ratio, by weight |
Resin : Hardener = 2 : 1 |
|
Cure |
Room temperature cure after mixing |
|
Application |
Bonding |
TYPICAL PROPERTIES OF UNCURED MATERIAL
Resin:
Specific Gravity @ 25 °C: 1.0
Viscosity: 65,000 cps
Hardener:
Specific Gravity @ 25 °C: 1.0
Viscosity: 7,000 cps
Mixed Properties:
Specific Gravity @ 25 °C: 1.0
Viscosity: 65,000 cps
TYPICAL CURING PERFORMANCE
Working life, minutes: 60
Tack Free Time, minutes: 120
Cure Speed vs. Time
The graph below shows shear strength developed with time on abraded, acid etched aluminum lapshears @23°C with an average bondline gap of 0.1 to 0.2 mm
TYPICAL PROPERTIES OF CURED MATERIAL
Cured @ 23 °C for 5 days
Physical Properties:
|
Glass Transition Temperature (Tg) |
70°C |
|
Shore Hardness, Durometer D |
80 |
|
Elongation |
8% |
|
Tensile Strength |
5,100 psi |
Electrical Properties:
|
Dielectric Breakdown Strength |
13 kV/mm |
TYPICAL PERFORMANCE OF CURED MATERIAL -Adhesive Properties
|
Substrate |
Lap Shear Strength |
|
|
N/mm² |
psi |
|
|
Steel (grit blasted) |
30 |
4,300 |
|
Aluminum (anodized) |
18 |
2,600 |
|
Stainless steel |
27 |
3,900 |
|
Polycarbonate |
13 |
1,900 |
|
Nylon |
1.8 |
260 |
|
Wood (Pine) to Steel (grit blasted) |
12 |
1,700 |
TYPICAL ENVIRONMENTAL RESISTANCE
Cured for 12 hours @ 65°C followed by 4 hours @ 23°C
Lap Shear Strength :
Aluminum (acid etched & abraded), 0.1 to 0.2 mm gap
Hot Strength
Tested at temperature
Heat Aging
Cured for 5 days @ 23°C on steel with no induced gap, aged at temperature indicated and tested @ 23°C
Chemical/Solvent Resistance
Aged under conditions indicated and tested @ 23 °C.
|
|
|
% of the initial strength |
|
|
Environment |
°C |
500 hours |
1000 hours |
|
air |
87 |
/ |
120 |
|
Motor oil |
87 |
140 |
150 |
|
Unleaded gasoline |
87 |
100 |
130 |
|
Water/glycol 50/50 |
87 |
100 |
110 |
|
Salt fog |
23 |
/ |
80 |
|
95%RH |
38 |
/ |
120 |
|
Condensing Humidity |
49 |
/ |
90 |
|
water |
23 |
/ |
80 |
|
Acetone |
23 |
76 |
95 |
|
Isopropanol |
23 |
90 |
110 |
Packing Cartridge size:
2:1 dual PP cartridge 50ml;
2:1 dual PP cartridge 400ml.
Storage
Store product in the unopened container in a dry location.
Storage information may be indicated on the product container labeling.
Optimal Storage: 8 °C to 21 °C. Storage below 8 °C or greater than 28 °C can adversely affect product properties.
Material removed from containers may be contaminated during use.
Do not return product to the original container.
Shelf Life
This product has a shelf life of 12 months in original containers.
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