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Ottoseal S105 sanitary silicone 310 ml

Description

Ottoseal S105 Sanitary Silicone is an acetate-curing 1K silicone sealant. Ottoseal S105 Sanitary Silicone is characterised by weather resistance on tiles or prevents early mould growth in silicone joints in addition. The inexpensive Ottoseal S105 Sanitary Silicone is used for sealing expansion joints in the floor and wall area. The elastic Ottoseal S105 Sanitary Silicone is offered in 17 suitable shades for bathroom, WC, kitchen, washbasin.

  • Fungicidally treated
  • Resistance to mould attack
  • Very good weather, ageing and UV resistance
  • For long-lasting applications indoors and outdoors

Standards and tests:

  • Tested to EN 15651 - Part 1: F EXT-INT CC 25 LM
  • Tested to EN 15651 - Part 2: G CC 25 LM
  • Tested to EN 15651 - Part 3: XS 1
  • Suitable for applications in accordance with IVD leaflet no. 3-1+3-2+14+31+35
  • Quality seal of the IVD - Industry Association of Sealants - tested by ift - Institute for Window Technology, Rosenheim
  • Compliant with Regulation (EC) No 1907/2006 (REACH)
  • Classification according to building certification systems: see sustainability data sheet
  • French VOC emission class A+
  • Declaration in Baubook Austria
  • EMICODE® EC 1 Plus - very low emissions
  • Tested fire behaviour to EN 13501: Class E

Areas of application:

  • Expansion and connection joints in the floor and wall area
  • Expansion and connection joints in sanitary areas
  • Sealing channel glass (e.g. Profilit glazing)

Pre-treatment:

The bonding surfaces must be clean, free of grease, dry and sound. The bonding surfaces must be cleaned and any contamination, such as release agents, preservatives, grease, oil, dust, water, old adhesives / sealants and other substances that impair adhesion, must be removed. Cleaning non-porous substrates: clean with OTTO Cleaner T (flash-off time approx. 1 minute) and a clean, lint-free cloth. Cleaning porous substrates: clean surfaces of loose particles mechanically, e.g. with a steel brush or a grinding disc.

Application:

Application temperature: +5ºC to +35ºC.
Application method: apply with a manual caulking gun, compressed-air gun or cordless gun.
Cleaning: with white spirit before curing, afterwards removable with silicone remover or mechanically.
Smoothing: with smoothing agent and scraper before a skin forms.

Special notes:

Before using the adhesive / sealant, the user must ensure that the materials in the contact area (solid, liquid and gaseous) are compatible with the adhesive / sealant and do not damage or alter it (e.g. discolour it). For materials that are subsequently processed in the area of the adhesive / sealant, the user must clarify beforehand that their ingredients or emissions cannot impair or alter the adhesive / sealant (e.g. discolouration). If necessary, the user must consult the respective manufacturer of the materials. During curing, small amounts of acetic acid are gradually released. Ensure good ventilation during application and curing. After curing, the product is completely odourless, physiologically harmless and inert. The curing time lengthens as the layer thickness of the silicone increases. One-component silicones are not suitable for full-surface bonding unless the special structural conditions for it are met. If the silicone sealant is to be used in layer thicknesses of more than 15 mm, please contact our application technology department beforehand. Avoid contact with materials containing bitumen or releasing plasticisers, e.g. butyl, EPDM, neoprene, insulating and black coatings.

Storage:

In closed containers, can be stored for at least 18 months cool and dry. 

The specific use-by date can be found printed on the container and must be observed. We recommend storing Otto Chemie adhesives and sealants in the unopened original containers dry (< 60 % RH) in a temperature range of + 15° C to + 25° C. If the products are stored and/or transported for longer periods (several weeks) at higher temperature/humidity, a reduction in shelf life or a change in material properties cannot be ruled out.

Supplied as:

310 ml cartridge (20 cartridges per carton)

Colour:

 310 ml cartridge400 ml aluminium foil bag
 
agate grey
S105-04-C62on request
 
anthracite
S105-04-C67on request
 
Bahama beige
S105-04-C10S105-07-C10
 
basalt
S105-04-C1105on request
 
pale grey
S105-04-C86S105-07-C86
 
brown
S105-04-C05on request
 
caramel
S105-04-C09on request
 
flannel grey
S105-04-C72S105-07-C72
 
flash grey
S105-04-C787S105-07-C787
 
joint grey
S105-04-C71S105-07-C71
 
grey
S105-04-C02S105-07-C02
 
grey 15
S105-04-C776on request
 
grey-white
S105-04-C70S105-07-C70
 
light graphite
S105-04-C1168on request
 
light grey no. 21
S105-04-C501on request
 
jasmine
S105-04-C08S105-07-C08
 
bright grey
S105-04-C656on request
 
Manhattan
S105-04-C43S105-07-C43
 
medium brown
S105-04-C15on request
 
mist
S105-04-C230S105-07-C230
 
Pergamon
S105-04-C84on request
 
platinum grey
S105-04-C52on request
 
sand grey 18
S105-04-C2044on request
 
sanitary grey
S105-04-C18S105-07-C18
 
snow white
S105-04-C116on request
 
black
S105-04-C04on request
 
silk grey
S105-04-C77S105-07-C77
 
silver grey
S105-04-C94S105-07-C94
 
silver grey no. 17
S105-04-C910on request
 
stone grey
S105-04-C79on request
 
beach beige
S105-04-C1106on request
 
transparent
S105-04-C00S105-07-C00
 
white
S105-04-C01S105-07-C01
 
cloud grey
S105-04-C387on request
 
cement grey no. 31
S105-04-C706on request

Technical data

Material: Silicone
Version
Colour: transparent
Technical data
Product type: Sanitary silicone
Use
Merchandise group: Sealants
What's included
Supplied as: 310 ml cartridge
Storage
Storage: Can be stored in closed packs, cool and dry, for at least 18 months

Data sheets

Manufacturer information

Manufacturer information pursuant to Art. 19 EU GPSR

Postal address Hermann Otto GmbH
Krankenhausstr. 14
83413 Fridolfing
Germany

Electronic address info@otto-chemie.de

All products by OTTO Chemie

Information as of: 2026-09-17

Reviews

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Average rating of 0 out of 5 stars

All reviews come from buyers. Reviews can only be submitted via the personal, signed link we send to the order's e-mail address after delivery; the link is bound to the order and the purchased item, there is no form without a purchase. We check every review before publication and publish positive and negative reviews alike. Reviews from our former shop baustoffhandel-nrw.de were migrated; there, too, only customers who had bought the item could review it.


For your project

These products go with it

Project: Renew the silicone joint in the bathroom

Remove the old silicone completely, treat mould around the joint and let the joint dry. Then mask the joint edges, inject new sanitary silicone, pull it off with smoothing agent and joint smoother and remove the tape immediately.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

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