Lord 312
General-Purpose, Low Viscosity, Two-Part Epoxy Adhesive
Description
Lord®
312 is a general purpose, low viscosity, two-part, epoxy adhesive used
for applications that require an adhesive with good flow
characteristics. The cured adhesive offers strong, durable, chemically
and environmentally resistant bonds for close-fitting assemblies and
potting applications. Lord 312 adhesive has demonstrated excellent
adhesion to prepared metals,
thermosets, wood, prepared rubber and other materials.
Features and Benefits
Contains No Solvent -
provides 100% solids content, nonflammable, and virtually odorless.
Excellent Flow Characteristics -
provides a low viscosity that makes
this adhesive convenient for potting and thin film encapsulation.
High Strength - provides load bearing properties equal to or greater than the materials being bonded in many cases.
Environmental and Chemical Resistance - resists dilute acids, alkalis, solvents, greases, oils, moisture, sunlight, and weathering. Temperature resistant from -34°C to 121°C (-30° F to 250° F).
Variable Cure - cures completely at room temperature or more quickly at elevated temperatures. See graph in the Technical Data Sheet.
Excellent Engineering Properties - provides low shrinkage, good creep properties, fully insulating, and low water absorption. For these and other engineering properties, see Technical Data Sheet.
Flexible Mix Ratio -
allows for modest
variations from the general purpose mix ratio to improve resistance to
heat, cold, shear and peel stresses.
|
|
Resin-A | Hardener-B | Mixed |
| Appearance | Yellow liquid | Yellow liquid | Yellow liquid |
| Viscosity, cP @ 25°C (77°F) | 650 - 1,950 | 750 - 2,500 | N/A |
|
Brookfield LVT at 12 rpm Density kg/m3 |
#2 Spindle 1118 - 1137 |
#2 Spindle 974 - 999 |
N/A |
|
lb/gal |
9.3 - 9.45 | 8.1 - 8.3 | N/A |
| Flash Point (closed cup) | 77°C (1 71 °F) | >93°C (>200°F) | >93°C (>200°F) |
| Percent Solids | 100% | 100% | 100% |
|
Working
Time 54 g mass at 25°C (77°F) |
N/A | N/A | 1.5 - 2.5 Hours |
| Handleable Bonds |
Temperature Dependent |
||
|
General
Purpose Mix Ratio by weight |
|||
| 2 | 1 | N/A | |
|
by volume |
1.75 | 1 | N/A |
| Shelf Life from date of shipment at25°C (77°F), unopened container | 1 year | 1 year | N/A |
* Data is typical and not to be used for specifications purposes.
Technical Data Sheet for
Lord 312 
For more information about Lord 312 contact Bergdahl Associates, Inc.
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Date issued: 07/05
v2 7/04