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SEMICOSIL® 927 F

SEMICOSIL® 927 F is a pourable, thermally curable, addition-curing, one-part fluoro silicone rubber that cures to a soft silicone gel.



Properties

  •  one-part, ready-to-use
  •  thixotropic behavior
  •  rapid heat cure
  •  very low hardness (gel)
  •  outstanding resistance to chemicals

Disclaimer

All the information provided is in accordance with the present state of our knowledge. Nonetheless, we disclaim any warranty or liability whatsoever and reserve the right, at any time, to effect technical alterations. The information provided, as well as the product's fitness for an intended application, should be checked by the buyer in preliminary trials. Contractual terms and conditions always take precedence. This disclaimer of warranty and liability also applies particularly in foreign countries with respect to third parties' rights.

Embedding of electronic components in contact with oils, fuels and solvents.

Surface preparation
All surfaces must be clean and free of contaminants that will inhibit the cure of SEMICOSIL® 927 F. Examples of inhibiting contaminants are sulfur containing materials, plasticizers, urethanes, amine containing materials and organometallic compounds – especially organotin compounds. If a substrate’s ability to inhibit cure is unknown, a small scale test should be run to determine compatibility.


Dispensing
Because of the thixotropy (shear thinning effect) SEMICOSIL® 927 F can be dispensed easily with all dispensing equipments.

To eliminate any air introduced during dispensing or trapped under components or devices a vacuum encapsulation is recommended.


Curing
SEMICOSIL® 927 F works best when cured at 100 °C or more depending on the size and heat sink properties of the components.


Temperature                         Curing time, thickness 10 mm

100°C                                   4 h
130°C                                   60 min
150 °C                                  30 min


We recommend running preliminary tests to optimize conditions for the particular application. Comprehensive processing instructions are given in our leaflet "Wacker RTV-2 Silicone Rubber - Processing".
 

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. Please store at 2°C - 8 °C

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian 49221-9397
United States
+1  888  922-5374 (Phone)
+1 517 264-8246  (Fax)
Contact sales
Website

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