Technical Data Sheet
Qsil 555
Quantum Silicones鈥?55durometer Addition Cure
Elastomer for Potting Applications
Product Description
QSil555 is a 100%silicone, semi-thixotropic compound designed for potting and
encapsulation applications.
Key Features
100% solids 鈥? no solvents
鈥?
Long pot life
鈥?
Semi-thixotropic
鈥?
Typical Properties
Uncatalyzed Properties
鈥淎鈥? Component 鈥淏鈥? Component
Viscosity, cps 80,000 3,000
Appearance White Clear
Specific Gravity, g/cm3 1.48 0.97
Mix Ratio by weight 100:10
Catalyzed Properties (cured 17min.@150C
Pot life, hours >72
Durometer, Shore 50
A
Tensile, psi 450
Elongation, % 200
Mixing
Mixing by hand
Combine 100 parts of A component and 10 parts of B component by weight and stir until
completely mixed. Use care when mixing to minimize air entrapment.
Mixing and dispensing with automatic equipment
Use properly ratioed equipment for a 100:6.6 mix ratio by volume. Also use a mixing
system that will properly mix A and B components. Once mixed properly the material
will have >72 hour pot life.
Storage and Shelf Life
QSil 555 should be stored in the original unopened container at 25C (77F). It will
remain useful for a period of 12 months if stored under those conditions.
Not for Product Specification
The technical data listed herein is provided as a reference only and is not intended
as sales specifications. For sales and technical assistance or for product
recommendations, please call 1-800-852-3147.
Quantum Silicones
8021 Reycan Rd
Richmond, VA 23237
Phone (804) 271-9010 Fax (804) 271-9055
Customer Service (800)852-3147
www.quantumsilicones.com
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