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POWERSIL® GEL C 670 A/B
POWERSIL® GEL C 670 A/B is a two-component, addition-curing silicone mixture that cures at room temperature to a soft silicone gel.
POWERSIL® GEL C 670 A/B is filled with special light weight filler which results in a low density, compressible silicone gel. The compressibility of the material makes it unique for applications in closed instruments without pressure compensation containers.
Properties
- two-part, 1 : 1 mixing ratio
- low viscosity (uncured)
- easy metering
- non-bleeding gel
Specific features of POWERSIL® GEL C 670 A/B
- Compressible
- Low density
Data sheets
- filling of cable terminations
- filling of bushings
- filling of electrical equipment
Important:
The platinum catalyst is contained in component A. Only components A and B with the same lot number may be processed together.
Surface preparation:
All surfaces must be clean and free of contaminants that will inhibit the cure of POWERSIL® GEL C 670 A/B. Examples of inhibiting contaminants are sulfur containing materials, plasticizers, urethanes, amine containing materials and organometallic compoundsespecially organo-tin compounds. If a substrate’s ability to inhibit curing is unknown, a small scale test should be run to determine compatibility.
Mixing:
Components A and B must be homogenized before use, due to separation of light weight filler. The two components should be thoroughly mixed at a 1 : 1 ratio by weight or volume. To eliminate any air introduced during dispensing or trapped under components or devices a vacuum encapsulation is recommended.
We recommend running preliminary tests to optimize conditions for the particular application.
Comprehensive processing instructions are given in our leaflet “Wacker RTV-2 Silicone RubberProcessing”.
Curing:
Curing time of addition curing silicone rubber is highly dependent on temperature, size and heat sink properties of the component being potted.
Storage
The 'Best use before end' date of each batch is shown on the product label.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.
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