Heat-Resistant Silicone Sealant

KSK-15X

High-quality, one-component, heat-resistant neutral-cure silicone sealant for household, renovation and construction applications.

Recommended for sealing, bonding and securing joints and components in stoves, fireplaces, chimneys, ovens, cooktop heating plates and other parts exposed to high temperatures.

Excellent adhesion to most construction materials: concrete, bricks, ferrous and non-ferrous metals, wood, PVC, aerated concrete, ceramics, gypsum plasterboards, glass, clinker, porcelain, expanded polystyrene (EPS), enameled surfaces.

Remains elastic under continuous exposure to temperatures up to 300°C. Does not corrode concrete, natural stone or metals. Resistant to most detergents and cleaning agents, UV radiation, weathering and temperature changes. Thixotropic: does not run or sag in the joint. Forms a skin quickly. Resistant to aging.

KSK 152, KSK 153, KSK-152, KSK-153

Colors

  • Black KUSSIL280T-2 KSK 152 Black
    KSK 152
    KUSSIL280T-2
  • Red KUSSIL280T-3 KSK 153 Red
    KSK 153
    KUSSIL280T-3

Benefits

  • For indoor and outdoor use.
  • Service temperature range: –40°C to +300°C.
  • Chemically neutral, does not corrode concrete or metals.
  • Tack-free time is 10-12 minutes, sealant curing rate is 2 mm per day (at +23°C and 50% relative humidity).
  • Resistant to UV radiation, cleaning agents and detergents.
  • A cartridge covers 20-22 linear meters at a bead diameter of 4 mm.
KUDO® benefits

Additional information

Colors

Black KSK-152, Red KSK-153

Application

Specialty sealing

Full product name

Heat-resistant silicone neutral sealant 300°C

Chemical base

Silicone

Product type

Sealants

Pack size

280 ml

Components

1-component

Information on ingredients

Silicone polymer, aliphatic hydrocarbons, fillers, pigments, curing agent, adhesion promoters.

Storage

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

Series

KUDO® HOME

Application

  • Apply at an ambient temperature from +5°C to +40°C. The sealant temperature should be +20°C to +25°C.
  • Apply the sealant to clean, dry and degreased surfaces.
  • Protect adjacent surfaces with masking tape for a neat finish.
  • Cut off the cartridge tip above the thread and screw on the nozzle. Remove the nozzle cap and cut the nozzle at a 45° angle to match the joint width.
  • Apply with a cartridge caulking gun.
  • Tool the sealant in the joint with a damp spatula. Remove the masking tape immediately after smoothing.
  • The mixture will be cured within a day, and during this time it can be slightly heated.
  • After curing, small cracks might appear in the surface, due to setting shrinkage. In this case, an additional sealant coat should be applied.
  • Remove the sealant from tools and surfaces using a solvent (white spirit, or acetone) before the sealant has cured.
  • Remove cured sealant mechanically.

Important: do not use for aquariums or submerged joints. Do not paint over the sealant.

KUDO® application

Questions and answers

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