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 |
Clear |
30,000 |
2:1 |
20 |
120 |
24 |
|
EST-HP60 |
High performance |
Clear |
45,000 |
2:1 |
60 |
≧180 |
24 |
|
EST-HP120 |
High temperature resistant, chemical resistant |
Clear |
30,000 |
2:1 |
120 |
≧180 |
24 |
|
EST-CL30 |
Middle working time, chemical resistant |
Clear |
10,000 |
2:1 |
30 |
≧180 |
24 |
General Description
UVALAM EST-490DP is a two-part 2:1, black, thixotropic, gap filling two component epoxy structural adhesive with particularly good application characteristics.
Features
UVALAM EST-490DP is designed for use where toughness and high strength are required and shows special benefits in the construction of composite assemblies.
UVALAM EST-490DP has excellent heat and environmental resistance.
Typical Uncured Physical Properties
|
Product |
EST-490DP |
|
Viscosity @ 73°F (23°C) |
A: 70,000 cps B: 8,000-14,000 cps |
|
Base Resin |
EPOXY |
|
Color |
A: Black B: Off-white |
|
Mix Ratio (B:A) |
Volume ratio: 2:1 Weight ratio: 2:1 |
|
Worklife, 73°F (23°C) |
5g mixed: 90 minutes |
|
Time to handing strength |
240 minutes |
|
Time to full strength |
7 days |
Typical cured Physical Properties
Two cure cycles were evaluated as follows:
|
Cure Cycle 1 |
7 days at 23°C |
|
Cure Cycle 2 |
24 hours at 23°C, 1 hour at 80°C |
(Etched Aluminium) Shear Strength to BS 5350 C5,
Peel Strength was floating roller peel to BS5350 C9.
|
Temperature |
Shear Strength (N/mm²) |
Peel Strength (DaN/cm) |
|
-55°C |
23 |
/ |
|
23°C |
30 |
9 |
|
82°C |
11 |
7 |
|
120°C |
2.8 |
/ |
|
150°C |
1.9 |
/ |
Adhesion to Etched Aluminium after Environmental Ageing
|
Ageing Condition |
Shear Strength (N/mm²) |
|
RT Control |
26 |
|
Water at 23°C, 750 hours |
25 |
|
50°C, 96% RH, 750 hours |
22 |
|
120°C, 750 hours |
25 |
|
175°C, dry heat, 120 hours |
29 |
|
Skydroll 500B at 23°C, 750 hours |
27 |
|
JP4 at 23°C, 750 hours |
28 |
|
Hydraulic Oil at 23°C, 750 hours |
29 |
Cartridge size:
2:1 dual PP cartridge 50ml;
2:1 dual PP cartridge 400ml.
Storage
Store product at 60-80°F (15-27°C) or refrigerate for maximum shelf life.
Shelf Life
This product has a shelf life of 12 months in original containers.
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