1:1 epoxy structural adhesive
|
Epoxy |
Feature |
color |
Viscosity (cps) |
Ratio |
Working time (minute) |
Fixture time (minute) |
Curing time (Hour) |
|
EST-100DP |
Rigid, fast curing, machinability |
clear |
13,000 |
1:1 |
5 |
20 |
24 |
|
EST-100FR |
Fire retardant |
cream |
40,000-120,000 |
1:1 |
4-8 |
20 |
24 |
|
EST-FL40 |
Middle fixture, toughened |
grey |
70,000 |
1:1 |
40 |
180 |
24 |
|
EST-CL05 |
Fast fixture |
clear |
2,500 |
1:1 |
3 |
30 |
24 |
|
EST-806 |
Fast fixture, non-sagging |
clear |
30,000 |
1:1 |
5 |
15 |
24 |
|
EST-MR05 |
Moisture resistant, potting and encapsulation |
Ultra-clear |
25,000 |
1:1 |
5 |
15 |
24 |
|
EST-NC60 |
Noncorrosive, potting and encapsulation |
Black |
6,200 |
1:1 |
60 |
≧180 |
24 |
General Description
UVALAM EST-CL05 is a two-component 1:1, fast-setting, toughened, mediumviscosity, industrial grade epoxy adhesive.
Once mixed, the two-component epoxy cures at room temperature with low shrinkage and forms an ultra-clear bond line with excellent peel resistance.
When fully cured, the epoxy is resistant to a wide range of chemicals and solvents, and acts as an excellent electrical insulator.
Typical applications
Ideal for bonding plastic, metal, glass, wood, ceramic, rubber, and masonry materials where flexibility is needed. Designed for a variety of applications such as flex circuits, cable boots, and staking fillet bonds. Well suited for applications that require an ultra-clear bond line.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Resin:
Chemical type: epoxy
Appearance: Clear/yellow liquid
Specific Gravity @ 25 °C: 1.1
Viscosity: 2,000 cps
Hardener:
Chemical type: Mercaptan
Appearance: Light colored liquid
Specific Gravity @ 25 °C: 1.15
Viscosity: 3,000 cps
Mixed Properties:
Appearance: Ultra Clear
Specific Gravity @ 25 °C: 1.13
Mix Ratio by Weight: 1:1.05
Mix Ratio by volume: 1:1
TYPICAL CURING PERFORMANCE -Cure speed
The graph below shows the shear strength developed over time on abraded, acid etched aluminum lap shears with an average bondline gap of 3 to 9 mils.
Curing Properties (@ 25°C)
Working Life, minutes: 3
Tack Free time, minutes: 3.5
TYPICAL PROPERTIES OF CURED MATERIAL Cured @ 25 °C
Physical Properties:
|
Glass Transition Temperature (Tg) |
10°C |
|
Shore Hardness, Durometer D |
55 |
|
Elongation |
80% |
|
Tensile Strength |
270 (psi) |
TYPICAL PERFORMANCE OF CURED MATERIAL - Adhesive Properties
|
Cured for 5 days @ 22°C Substrate |
Lap Shear Strength |
|
|
N/mm² |
psi |
|
|
Steel (grit blasted) |
9.9 |
1,430 |
|
Aluminum (acid etched & abraded) 3 to 9 mil gap |
2.5 |
1,140 |
|
Aluminum (anodized) |
5.2 |
750 |
|
Stainless steel |
4.8 |
700 |
|
Polycarbonate |
2.1 |
300 |
|
Nylon |
0.3 |
40 |
|
wood |
2.6 |
380 |
|
PVC |
12.8 |
1,850 |
|
ABS |
1.7 |
240 |
|
Epoxy |
3 |
440 |
|
Acrylic |
0.60 |
90 |
|
Glass |
24.3 |
3530 |
TYPICAL ENVIRONMENTAL RESISTANCE
1/ Hot Strength
Substrate: Abraded, acid etched aluminum
Bondline gap, mils: 5 to 9
Cure procedure: 12 hours at 65 °C & 4 hours at 22 °C°
2/ Heat Aging
Cured for 5 days at 22°C on steel with no induced gap,
aged at temperature indicated and tested at 22°C.
Chemical/Solvent Resistance
Aged under conditions indicated and tested @ 22 °C.
|
|
|
% of the initial strength |
|
|
Environment |
°C |
500 hours |
1000 hours |
|
air |
87 |
150 |
126 |
|
Motor oil |
87 |
73 |
104 |
|
Unleaded gasoline |
87 |
87 |
70 |
|
Water/glycol 50/50 |
87 |
70 |
50 |
|
Salt fog |
22 |
7 |
0 |
|
95%RH |
38 |
16 |
12 |
|
Condensing Humidity |
49 |
11 |
8 |
|
water |
22 |
48 |
60 |
|
Acetone |
22 |
48 |
0 |
|
Isopropyl Alcohol |
22 |
58 |
35 |
Cartridge Packing:
1:1 dual PP cartridge 50ml;
1:1 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 15 months in original containers.
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