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Master Bond adhesives

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Abatron AboWeld/AboCure 7812-2 Thixotropic Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive

Material Notes: AboWeld/AboCure 7812-2 is an underwater and cold-weather structural and dielectric adhesive paste. It is a 2-component thixotropic epoxy compound for dry, wet, and cold applications. It has many special characteristics: Lighter Consistency is not just for easy cold mixing, but for the blending with sand, fibers, steel-wool, cloth, bags and other help skin-divers prefer; Fast Reaction Speed compensates for freezing weather slow reactivity, as needed in most underwater applications; the Induction Period normal epoxies require is eliminated to facilitate proper reaction in adverse conditions; where needed, a Pressure-Relief Pipe Section can be inserted through a 7812-2 patch to keep water flowing while the 6712-2 hardens, and then later the pipe can be capped or stuffed with a plug + 7812-2, etc. Suggested Uses: Structural ? Patching, Bonding, Resurfacing, and Filling on virtually all rigid surfaces like concrete, masonry, metal, ceramics, glass, fiberglass, in factories, in industrial, construction and marine applications, under water and under snow, as well as in normal conditions. It can be used alone or mixed with sand, fabric, fibers, steel-wool and other fillers to repair, bond, resurface or fill above and below water, in warm or freezing weather for the widest range of applications. Dielectric ? Embedding, Encapsulating, Insulating, Patching, and Bonding of the greatest variety of electric/electronic components for exterior and interior exposure, corrosive, and other problem environments.

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Physical PropertiesOriginal ValueComments
Solids Content 100 %
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D >= 80
Tensile Strength at Break 5100 psi
Flexural Strength 8300 psi
Flexural Modulus 210000 psi
Compressive Strength 13400 psi
Compressive Modulus 270000 psi
Izod Impact, Notched 0.400 ft-lb/in
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 70.0 °CDeflection Temp at unknown load
 
Processing PropertiesOriginal ValueComments
Pot Life 12 - 14 min
Shelf Life >= 12.0 Month
 
Descriptive Properties
ColorLight Gray
Hardening Time (min)6-240depending on temp.
Viscositythixotropic, no-slump paste

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