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Master Bond adhesives

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Abatron AboCast 7802-1/AboCure 7804-4 (40 pbw) Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Cast, Unreinforced

Material Notes: AboCast 7802-1 is a clear resin with low viscosity (600-800 cps.) and a weight of 9.1 lbs/gallon. AboCure 7804-4 a clear, more accelerated converter for lower rigidity. It has an HDT of 60°C, variable ratio, a viscosity of 300 cps., and a weight of 7.8 lbs/gallon. AboCast 7802-1/AboCure 7804-4 has versatility, many variable-ratio possibilities, and a tenacious adhesion to metals, ceramics, glass, wood, and most rigid materials which permits permanent structural and dielectric bonds. Absence of volatiles and minimum shrinkage, typical of solventless epoxy systems, allow castings and masses of virtually any desired thickness. Suggested Uses: Multi-purpose casting, coating, and bonding for applications requiring high dielectric resistance, structural strength, and radiation resistance as well as resistance to weather, water, alkalis, diluted acids, fuels, and most common solvents; it was originally developed for FERMILAB.

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Physical PropertiesOriginal ValueComments
Density 7.80 lb/galAboCure 7804-4
 9.10 lb/galAboCast 7802-1
Water Absorption 0.10 - 0.20 %
Viscosity 400 - 600 cPblended
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 20
@Time 86400 sec
1/8 in thickness
 40
@Time 86400 sec
 60
@Time 259000 sec
1/8 in thickness
 75
@Time 259000 sec
 80
@Treatment Temp. 100 °C,
Time 10800 sec
 80
@Treatment Temp. 100 °C,
Time 10800 sec
1/8 in thickness
Tensile Strength at Break 6000 - 9000 psi
Elongation at Break 12 - 18 %
Flexural Strength 9000 - 13000 psi
Compressive Strength 7000 - 9000 psi
 
Electrical PropertiesOriginal ValueComments
Dielectric Strength 400 - 475 V/mil
 
Processing PropertiesOriginal ValueComments
Pot Life 60 min100 g
 
Descriptive Properties
Parts by Weight (pbw)100AboCast 7802-1
 40AboCure 7804-4

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PABC829 / 107813

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