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Silicone sealant for natural stone and marble


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High quality one-component silicone sealant with a neutral curing system is used for household, renovation and construction works. Ideal for sealing joints and building elements made of natural stone, marble, granite, terrazzo and porfido stones. With special antiseptic additives to prevent the mould and fungoid growth. It can be used for sealing joints in rooms with high humidity: bathrooms, showers, bathrooms and toilets.

Has high operating characteristics: forms a strong durable joint, after curing, it withstands up to 20% deformation, does not accumulate dust, resistant to most detergents and cleaning agents, UV, weather and temperature changes. Thixotropic, does not flow or drip down the joint. Fast coated with a film.


  • Non-staining on natural stone, marble and granite.
  • Prevents mould.
  • Odourless.
  • Excellent adhesion to concrete, plaster, enamelled surfaces, glass, non-ferrous metals, wood and other construction materials.
  • Chemically neutral, non-corrosive.
  • Skin formation time is 5-15 minutes. Curing rate – 3 mm per day (at 23 °C and 50 % humidity).
  • Has a wide operating temperature range: from –40°C to +180°C.
  • A cartridge covers 20-22 running meters with a roll diameter of 4 mm.

Technical Information


Transparent KSK-210

Adhesive/Sealant base





280 ml


Store in tightly closed original packaging at temperatures from +5°C to +25°C in a dry place. During transportation, freezing down to -20°C is allowed for a total duration of not more than 30 days.

Shelf life

2 years

How to use

  • It’s recommended to apply the product at an ambient temperature from +5°C to +40°C. The temperature of the sealant should be +20°C… +25°C.
  • Apply the sealant to clean, degreased surfaces. It is recommended to apply a silicone primer for better adhesion to porous surfaces.
  • Protect surfaces with masking tape to ensure an accurate application.
  • Cut off the tip of the cartridge above the screw thread, screw on the nozzle, unscrew the nozzle cap and cut off the nozzle diagonally (at an angle of 45°) according to the diameter of the joint width.
  • Use a cartridge-operated gun for application. When stopping work or changing a cartridge, loose the gun handle and pull the piston back.
  • Smooth down the sealant in the joint with a wet putty knife or a soap-water-moistened finger. Remove the masking tape immediately after smoothing.
  • Remove the sealant from tools and surfaces using a solvent (spirit, white spirit, or acetone) before the sealant has cured.
  • Remove cured sealant using mechanical methods.

Note! Do not apply to aquariums and underwater seals. Do not paint!

SKU: KSK-21X. Categories: , Share: