Ottoseal S70 – Matt Anthracite


18 in stock

SKU: SIL-1 Category:



1-component silicone sealant based on oxime, neutral cross-linking, MEKO-free

Matt Anthracite matches our slate very well

and can be used for jointing or sealing gaps

For indoor and outdoor application

  • Also in “structure” colours with a stonelike surface
  • Harmonises with structured natural surfaces
  • Also available in “matt-finished” colours
  • Harmonises with matt and glossy surfaces
  • Contains fungicides
  • Resistance to mould infestation
  • Compatible with natural stone according to ISO 16938-1
  • Guarantee – does not cause any migratory staining on natural stone
  • Non-corrosive
  • No (oxidation) corrosion on unprotected metal surfaces
  • Excellent weathering, ageing and UV-resistance
  • For long-lasting indoor and outdoor applications
  • Stress expansion modulus at 100 % (ISO 37, S3A): 0,5 N/mm²
Fields of application
  • Sealing and jointing on marble and all natural stones, e. g. sandstone, quartzite, granite, gneiss, porphyry etc. in interior and exterior areas
  • Sealing of expansion joints in the area of floors, walls and facades
  • Sealing and jointing of marble / natural stone swimming pools, also underwater joints
  • Sealing of lacquered and enamelled glass
  • For the external sealing of mirrors in connection with natural stone
  • Joint filling materials between ceramic slabs and natural stone used outside with the slab bearings by TERRA LEVEL
  • Movement-compensating bonding of natural stone on metal, e. g. stairs on a metal construction
Standards and tests
  • Tested according to EN 15651 – Part 1: F EXT-INT 25 LM / F EXT-INT CC 20 LM
  • Tested according to EN 15651 – Part 3: XS 1
  • Tested according to EN 15651 – Part 4: PW EXT-INT 25 LM – applies only to the matt shades of OTTOSEAL® S 70 – all other shades comply with PW INT 12,5E
  • Tested according to ISO 16938-1 of SKZ Würzburg (Testing for migratory staining of sealants on natural stone)
  • Tested according to ASTM C 1248 by DL Laboratories, New York (Testing for migratory staining of sealants on natural stone)
  • Suitable for applications according to IVD instruction sheet no. 1+3-1+3-2+9+14+23+25+27+30+31+35 (IVD = German industry association sealants)
  • Quality seal of the IVD (Industrial association for sealants, registered society), tested by the ift Rosenheim (Institute of window engineering, registered society)
  • According to regulation (EG) no. 1907/2006 (REACH)
  • French VOC-emission class A+
  • Declaration in “baubook” Austria
  • EMICODE® EC 1 Plus – very low emission
  • Classification according to building certification systems, see the sustainability data sheet
  • Tested fire behaviour in accordance with EN 13501: class E

Additional information

Weight 0.1 kg

More info

Application video


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