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Ottoseal S117 natural stone silicone 310 ml

Description

Ottoseal S117 Natural Stone Silicone for applying silicone joints on marble and all natural stones, e.g. sandstone, quartzite, granite, gneiss, porphyry etc. indoors and outdoors. Ottoseal S117 offers resistance to weathering, ageing and UV.

  • Neutral-curing 1K silicone sealant
  • Guaranteed not to cause edge-zone staining on natural stone
  • High notch and tear resistance
  • Very good weather, ageing and UV resistance
  • Non-corrosive
  • Fungicidally treated

Areas of application of Ottoseal S117 Marble Silicone:

  • Sealing and jointing on marble and all natural stones, e.g. sandstone, quartzite, granite, gneiss, porphyry etc. indoors and outdoors
  • Sealing expansion joints in wall and facade areas
  • Movement-compensating bonding of natural stone to metal, e.g. stair treads to a metal structure

Standards and tests:

  • Tested to EN 15651 - Part 1: F EXT-INT CC 20 LM
  • Tested to EN 15651 - Part 3: XS 1
  • Suitable for applications according to IVD Technical Data Sheet No. 3-1+3-2+14+23+25+27
  • French VOC emission class A+
  • Certified to GOS

Application of Ottoseal S117:

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.

The requirements for elastic seals and bonds depend on the respective external influences. Extreme temperature fluctuations, expansion and shear forces, repeated contact with water etc. place high demands on an adhesive bond. In such cases, where recommended, the use of a primer is advisable in order to achieve as durable a bond as possible.

Especially on unpolished natural stone surfaces, do not spread the natural stone sealant beyond the joints, as smears are difficult to remove. Use natural stone smoothing agent (undiluted) for smoothing. Excess material must be washed off or removed immediately. The use of otherwise customary smoothing agents (e.g. washing-up liquid etc.) is not recommended because of the high stain sensitivity of some types of marble and natural stone. Because of the many possible influences during processing and application, the applicator must always carry out a trial application. The specific use-by date can be found printed on the container and must be observed. We recommend storing our products 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.

Application temperature:

+5°C to +35°C

Temperature resistance:

-40°C to +180°C

Working time:

Skin-forming time approx. 5 min. (+23°C and 50% RH)

Colour:

anthracite ,Bahama beige ,concrete grey,jasmine ,manhattan ,pearl grey ,sandstone beige ,sanitary grey ,black ,transparent ,white

Technical data

Material: Silicone
Version
Colour: transparent
Technical data
Contents: 310 ml
Product type: Natural stone silicone
Temperature resistance: -40 °C to +180 °C
Use
Merchandise group: Sealants
Application
Application temperature: +5 °C to +35 °C

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

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For your project

These products go with it

Project: Grout natural stone and marble

On marble and natural stone use only a natural-stone-compatible silicone, otherwise dark grease edges appear. Mask the joint edges, limit deep joints with backing cord, grout and smooth exclusively with natural stone smoothing agent.

  1. Prepare the surface

  2. Tools & accessories

  3. Finish & care

    • Part of the system use undiluted, wash off residues immediately with water
      €4.95 €19.80 / 1 Litre

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