Home > Companies > Dow Silicones Belgium SPRL > DOWSIL™ 787 Glass and Metal Silicone

DOWSIL™ 787 Glass & Metal Silicone Sealant is a one-part moisture curing acetoxy silicone suitable for use across a broad range of applications. It combines a high strength and good elasticity with excellent adhesion to a variety of non-porous substrates such as glass, glazed ceramic tiles and aluminium. Dow Corning 787 Silicone Sealant offers excellent resistance to aging, shrinkage, cracking and discolouring.


  • Excellent adhesion to a variety of non-porous substrates.
  • High strength and good elasticity.
  • 100% silicone polymer.
  • Solvent-free.
  • Conforms to ISO 11600-G-20LM.
  • Resistant to ozone and ultra-violet radiation.

Standard product features


- At 23°C (73°F) and 50% RH:

  • Application temperature: 5–40°C.
  • Specific gravity: 1.02.
  • Extrusion rate: 210 g/minute.
  • Skin-over time: 14 minutes.
  • Tack-free time: 220 minutes.
  • Cure rate (1 day/ 3 days): 3/ 5 mm.



A range of standard colours.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-55-75/360 Silicone glazing compounds or sealants

Product specification

An important note about specifying



Dow Silicones Belgium SPRL


+32 64 888 000

Product reference

DOWSIL™ 787 Glass and Metal Silicone Sealant


[Light grey]

Manufacturer details

Parc Industriel - Zone C,
Rue Jules Bordet,
Seneffe, B-7180,
Tel +32 64 888 000
Fax +32 64 888 950
NBS Plus
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