Silicone Sealants

Pro-Spec® Flexi-Seal Window & Glass Silicone

Pro-spec-FS-windows-glass

PRO-SPEC FLEXI-SEAL WINDOW & GLASS SILICONE is a one component, gun applied, silicone rubber sealant for weatherproofing or sealing joints and gaps around windows and general sealing. It is an acid (acetoxy) cure, medium modulus silicone sealant.

Uses

PRO-SPEC FLEXI-SEAL WINDOW & GLASS SILICONE SEALANT has excellent adhesion and sealing properties to glass, ceramics, aluminium, laminates, enamel, porcelain, wood and some plastics.

Product Range

Product Code: 9300697117083

  • Size & Pack Type: 300g cartridge
  • Color: Clear

Technical Features

  • Ready to use
  • Excellent adhesion to glass
  • Excellent UV resistance
  • Excellent flexibility (joint movement capability ±15%)
  • High service temperature range –50oC to +150oC
  • Excellent adhesion to glass, ceramics, laminates, enamel, porcelain, wood and certain plastics (Pre-test plastics and critical surfaces prior to use)
  • Resistant to intermittent exposure to diluted acids and alkali solutions

Application Tips

  • Not recommended for use on bare metals other than stainless steel or aluminium
  • Most paints will not adhere to this sealant
  • Not suitable for aquariums or potable water containers
  • Not recommended for adhesion to cementious or marble surfaces
  • Not suitable for permanent immersion or in areas of high abrasion, e.g. walkways
  • Not resistant to organic solvents

Technical Details and Performance

Indicative information only, not to be used for setting specifications.

Consistency (as applied)

Non-slump, soft paste, easily extruded with cartridge gun

Curing Mechanism

Rapidly develops rubber consistency by reaction with moisture from the air

Curing Rate

1mm depth per day

Skin Forming Time

5-10 minutes (depending on weather conditions)

Hardness (when cured)

Approximately 25-30 (Shore A, instantaneous)

Elongation

Approximately 400% (ASTM D412)

Service Temperature

–40oC to +150oC

Joint Movement Capability

±15% of original joint width. When applied in properly designed joint*

Properly designed joint refers to the accepted concept of correct sealant dimensions, i.e.. sealant depth equal to half sealant width and sealant applied over a suitable backing material which the sealant will not adhere to or which does not limit the free movement of the sealant.

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