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Sanitary silicone sealant


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KUDO® High Quality Sanitary Acetoxy Cure Silicone Sealant is formulated for common household, renovation and construction projects. Contains special antiseptic additives that prevent the formation of mold and mildew. Ideal for performing glazing work in rooms with increased humidity, such as bathrooms, showers, kitchens, etc. It is used for sealing joints around bathtubs, sinks, swimming pools; for sealing joints during plumbing equipment installation, waterproofing surfaces, and sealing joints between tiles. KUDO® Sanitary Silicone Sealant is great for sealing joints in the bathroom.

Has high-performance characteristics: forms a strong durable seam, retains the deformability of up to ± 25% after curing, does not collect dust, and is resistant to most detergents and cleaning agents, UV – radiation, weathering, rapid temperature changes, and almost any aggressive media. Fast skinning. Thixotropic, non-dripping, no migration during application.


  • Prevents the formation of mold.
  • Resistant to UV radiation, cleaning agents and detergents.
  • Excellent adhesion to enameled surfaces, glass, stainless steel, anodized aluminum, wood, PVC, porcelain, and other building materials.
  • Has a wide operating temperature range: from –40°C to +180°C.
  • Skin Time – 10-20 minutes, sealant curing rate – 2 mm per day (at +23°C and 50% relative humidity).
  • A cartridge covers 6-6,5 line meters of a seam with a diameter of 4 mm.

Technical Information


Transparent KST-120, White KST-121

Adhesive/Sealant base





85 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 is advisable to conduct work at temperatures from +5˚C to +40˚C; the sealant temperature must be +20°C… +25°C.
  • Apply the sealant to clean, dry and degreased surfaces.
  • To do the work neatly, protect adjacent surfaces with masking tape.
  • Cut the tip from the cartridge above the screw thread, screw the dispensing nozzle onto the cartridge, unscrew the nozzle cap and trim the nozzle diagonally (at an angle of 45°) to fit the width of the joint.
  • Use a cartridge-operated gun for application.
  • Smooth down the sealant in the joint with a wet putty knife. Remove the masking tape immediately after the smoothing.
  • Remove excess sealant from tools and surfaces using a solvent (acetone, or white spirit) before the sealant has hardened.
  • Remove cured sealant using mechanical methods.
  • It is not recommended to use the sealant when dealing with natural stone (marble or granite), metal surfaces prone to corrosion (lead, copper, zinc, or brass), or concrete, cement, plastered surfaces, as well as when working with mirrors. Do not use for sealing aquariums and underwater joints. Do not paint over!!!

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SKU: KST-12X. Categories: , Share: