Home > Companies > Dow Silicones Belgium SPRL > DOWSIL™ 785 Sanitary Silicone Sealant

A one-part, gun applied, silicone sealant specifically designed for the sealing of sanitary fittings, including baths, showers, sinks, urinals and ceramic tile joints.

No primer is required on most glazed surfaces, including vitreous enamel, ceramics, porcelain, glazed tiles, etc. For acrylic baths, it is recommended that an adhesion test is carried out. Adhesion to plastic and metal surfaces can be improved by using a DOWSIL™ brand primer.


  • Fungus and mildew resistant.
  • Bacteriostatic sealant.
  • Gloss finish.
  • Conforms to ISO 11600-F-20LM.
  • Resistant to ozone, ultra-violet radiation and temperature extremes.

Health and safety:

Not hazardous according to article 31 and Annex II of EU REACH Regulation and its subsequent amendments.

Standard product features


- At 23°C (73°F) and 50% RH:

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

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-55-75/345 Silicone construction joint sealants

Product specification

An important note about specifying



Dow Silicones Belgium SPRL


+32 64 888 000

Product reference

DOWSIL™ 785 Sanitary Silicone Sealant


[Bahama beige]
[Manhattan 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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