OTTOSEAL® S 100 Premium Sanitiser Silicone White Matt (C8687), Item No. 13101
The OTTOSEAL® S 100 White Matt is a professional sanitary silicone with high-quality acetate curing, specially developed for permanently elastic joints in wet areas. The matt version (colour code C8687) offers a discreet, reflection-free appearance, harmoniously matching modern matte tile surfaces. This silicone is ideal for professional use by tilers, natural stone processors, and craftsmen in bathroom, shower, and WC areas. In addition to its appearance, it impresses with excellent processing, strong adhesion, and high resistance to mould and bacteria.
Application Benefits for Tradespeople
The OTTOSEAL® S 100 features a matt finish that ensures a uniform joint appearance without any unwanted glossy effects, providing a clean and harmonious seal that enhances the overall aesthetic. Notably, it offers excellent smoothability and modeling capabilities, enabling tradespeople to save valuable time on-site while achieving precise results. Thanks to its fungicidal and bacteriostatic properties, the joints remain hygienically clean and reduce maintenance efforts over an extended period.
Furthermore, the product is UV, ageing, and weather-resistant, making it suitable for use in internal window connections. Its excellent adhesion to ceramic substrates such as glazed tiles, sanitary ceramics, or glass ensures a strong, long-lasting bond. It is also compatible with common smoothing agents, further simplifying the application process.
Typical Application Areas
The OTTOSEAL® S 100 is ideal for joints between wall and floor tiles in bathrooms and shower rooms. It is also perfect for expansion and connection joints around washbasins, bathtubs, and shower trays. It effectively seals glass-to-ceramic transitions or joints in glass partition walls. In drywall or renovation scenarios, it provides a reliable solution for joint sealing.
Technical Specifications at a Glance
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Item No.: 13101
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Colour: White Matt (C8687)
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Curing Type: Acetate (1K)
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Skin Formation Time: approx. 10 minutes at 23°C/50% RH
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Curing Time: approx. 2–3 mm / 24 hours
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Application Temperature: +5 to +35°C
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Temperature Resistance: -40 to +180°C
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Shore-A Hardness: approx. 20
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Elongation at 100%: approx. 0.3 N/mm²
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Tensile Strength: approx. 1.8 N/mm²
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Breaking Elongation: approx. 900%
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Storage Life: 15 months
Certified Standards & Environmental Criteria
The OTTOSEAL® S 100 meets the highest environmental standards and is distinguished by the EMICODE® EC1 Plus certification, marking it as very low in emissions—ideal for use in living and sleeping areas. It also holds the VOC Class A+ certification (France), making it particularly eco-friendly. Additionally, it complies with fire class E according to EN 13501, ensuring high fire safety.
The product complies with EN 15651, Parts 1–4, with specific classifications F EXT-INT CC 25 LM, G CC 25 LM, XS 1, and PW INT 12.5 E, highlighting its versatility and suitability for various applications. It also carries the IVD quality mark, tested by ift Rosenheim, and is REACH compliant as well as listed in the Baubook Austria.
Processing Tips for Optimal Results
Before application, the joint edges must be thoroughly cleaned. Matt colours should only be smoothed once with a smoothing agent to avoid gloss effects. When working with sensitive materials such as acrylic, painted wood, or coated ceramics, a preliminary test is recommended. Not suitable for natural stone (risk of discolouration).
Recommendation from Karl Dahm
As an experienced system supplier in the field of tiling and construction trades, Karl Dahm offers OTTOSEAL® S 100 White Matt (Item No. 13101) in its range for professionals. Use it together with our tried-and-tested smoothing tools and cleaners for a fast, clean joint finish in perfection. Our team provides practical advice on processing, application, and combination options with other accessories.
FAQ about the Use of OTTOSEAL® S 100 White Matt
What substrates are ideal?
Glazed tiles, sanitary ceramics, enamel, acrylic surfaces, or glass are ideal. OTTOSEAL S 100 should not be used on natural stone.
What distinguishes the matt version from classic sanitary silicone?
The matt colour version does not reflect light and blends harmoniously with the overall look of matt tiles and modern bathroom concepts.
How can I avoid glossy spots?
Avoid smoothing the joint multiple times with a smoothing agent. A single, clean pass with the appropriate tool is sufficient.
How long is the product valid for?
Matt colours should be processed within 15 months of manufacture. Store in a dry place and at a constant temperature (+15 to +25°C).
How do I clean my tools after use?
Fresh material can be removed with a suitable cleaner. Cured silicone must be removed mechanically.
Is the product safe for health?
Yes, it is very low in emissions and approved for use in sensitive living areas.
Can the silicone be used permanently in shower areas?
Yes, due to its fungicidal and bacteriostatic properties, it offers optimal protection against mould formation in wet rooms.
Do I need a primer?
On smooth, non-absorbent substrates, a primer is usually not required. If in doubt, a test or consultation with the Karl Dahm team is recommended.
Can OTTOSEAL S 100 be combined with other sealants?
Combinations with neutral-cured silicones or MS polymers should be avoided. In case of doubt, compatibility should be tested.
Are there matching colours for other joint materials?
Yes, OTTOSEAL S 100 is available in 10 colours. The matt line has been specifically designed to match modern joint colours.
