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Selleys 401 Silicone Adhesive for Gaskets Resists 205 Degrees [Clear]

Description

Silicone 401 RTV is a one part ready to use, acid cure, room temperature vulcanising (RTV), silicone adhesive sealant. It cures rapidly on exposure to atmospheric moisture to form a versatile, durable, resilient silicone rubber. It is available in clear.

Uses
Silicone 401 is suitable for form-in-place gaskets and for adhesive, sealing and electrical insulating applications in manufacturing and plant maintenance.

Technical Features
Wide Temperature Tolerance: Remains permanently flexible under operating temperatures from – 60oC to 205oC, and will tolerate short periods of 260oC
Good Chemical Resistance: Good resistance to most organic and inorganic chemicals, solvents and oils
Primerless Adhesion: Adheres without primer to many metal, glass, ceramic, rigid plastic, rubber painted and wood substrates
Non-toxic: Suitable for incidental food contact in food handling equipment and food contact surfaces
Excellent Weatherability: Excellent resistance to ozone, UV light and ageing
Good Electrical Insulating Properties: Insulating properties are comparable to other insulating rubbers at room temperature, though performs better than many other rubbers at higher temperatures and water has little effect on these properties

Application Tips
Not recommended for use with petrol, distillate and some other hydrocarbon solvents. These can cause softening and swelling which is undesirable in some applications.
Do not use in totally confined joints where sealant is not exposed to atmospheric moisture
Chemical compatibility should be tested for each application under consideration
Cannot be over-painted

Technical Details and Performance
Indicative information only, not to be used for setting specifications.

Typical Application Properties
Consistency
Non – sag, gun grade

Tack Free Time
(25oC, 50% r.h.): 15 – 20 minutes

Skin Forming Time
5 to 10 minutes (depending on weather conditions)

Cure Time
(3mm Section @ 25oC, 50% R.H.): 24 hours

Shrinkage During Curing
Approximately 3.5% by volume

Specific Gravity
1.04

Storage Life
(Below 30oC in original unopened container):12 months

Typical Mechanical Performance Properties (3 day cure @ 25oC, 50% R.H.)
Tensile Strength (MPa)
1.2

Ultimate Elongation %
400

Hardness (Shore A)
25

Tear Strength (N/mm)
5.0

Joint Movement Capability
± 25%

Typical Electrical Properties (at Room Temperature)
Dielectric Strength kv/mm
21

Dielectric Constant @50Hz to 5MHz
2.6-2.8

Dissipation Factor Tan @50Hz-5MHz
20×10-4 to 5×10-4

Volume Resistivity (ohm-cm)
1×1013 (wet 60oC)
1×1014 (dry 23oC)

Typical Thermal Properties
Brittle Point
–60oC

Maximum Continuous Operating Temperatures
205oC

Maximum Intermittent Operating Temperatures
260oC

Selleys 401 Silicone Adhesive for Gaskets Resists 205 Degrees [Clear]

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Silicone 401 RTV is a one part ready to use, acid cure, room temperature vulcanising (RTV), silicone adhesive sealant. It... Read more

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      Description

      Silicone 401 RTV is a one part ready to use, acid cure, room temperature vulcanising (RTV), silicone adhesive sealant. It cures rapidly on exposure to atmospheric moisture to form a versatile, durable, resilient silicone rubber. It is available in clear.

      Uses
      Silicone 401 is suitable for form-in-place gaskets and for adhesive, sealing and electrical insulating applications in manufacturing and plant maintenance.

      Technical Features
      Wide Temperature Tolerance: Remains permanently flexible under operating temperatures from – 60oC to 205oC, and will tolerate short periods of 260oC
      Good Chemical Resistance: Good resistance to most organic and inorganic chemicals, solvents and oils
      Primerless Adhesion: Adheres without primer to many metal, glass, ceramic, rigid plastic, rubber painted and wood substrates
      Non-toxic: Suitable for incidental food contact in food handling equipment and food contact surfaces
      Excellent Weatherability: Excellent resistance to ozone, UV light and ageing
      Good Electrical Insulating Properties: Insulating properties are comparable to other insulating rubbers at room temperature, though performs better than many other rubbers at higher temperatures and water has little effect on these properties

      Application Tips
      Not recommended for use with petrol, distillate and some other hydrocarbon solvents. These can cause softening and swelling which is undesirable in some applications.
      Do not use in totally confined joints where sealant is not exposed to atmospheric moisture
      Chemical compatibility should be tested for each application under consideration
      Cannot be over-painted

      Technical Details and Performance
      Indicative information only, not to be used for setting specifications.

      Typical Application Properties
      Consistency
      Non – sag, gun grade

      Tack Free Time
      (25oC, 50% r.h.): 15 – 20 minutes

      Skin Forming Time
      5 to 10 minutes (depending on weather conditions)

      Cure Time
      (3mm Section @ 25oC, 50% R.H.): 24 hours

      Shrinkage During Curing
      Approximately 3.5% by volume

      Specific Gravity
      1.04

      Storage Life
      (Below 30oC in original unopened container):12 months

      Typical Mechanical Performance Properties (3 day cure @ 25oC, 50% R.H.)
      Tensile Strength (MPa)
      1.2

      Ultimate Elongation %
      400

      Hardness (Shore A)
      25

      Tear Strength (N/mm)
      5.0

      Joint Movement Capability
      ± 25%

      Typical Electrical Properties (at Room Temperature)
      Dielectric Strength kv/mm
      21

      Dielectric Constant @50Hz to 5MHz
      2.6-2.8

      Dissipation Factor Tan @50Hz-5MHz
      20×10-4 to 5×10-4

      Volume Resistivity (ohm-cm)
      1×1013 (wet 60oC)
      1×1014 (dry 23oC)

      Typical Thermal Properties
      Brittle Point
      –60oC

      Maximum Continuous Operating Temperatures
      205oC

      Maximum Intermittent Operating Temperatures
      260oC

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