445 Stein + Sanitär

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The odourless silicone for stone and tiles

Whether for a hotel’s spa centre or your bathroom at home, 445 Stein + Sanitär provides reliable joints on natural stone and tiles. The natural stone-compatible alkoxy-based silicone stands out for its excellent hold. Due to the fungicides and bactericides it contains, it is highly effective in inhibiting mould growth. The sealant does not contain any plasticisers, which means that it does not cause edges to stain. In addition, 445 Stein + Sanitär is odourless and compatible with commercially available cleaning agents and disinfectants. As well as being suitable for sealing work in sanitary areas like bathrooms, it is also suitable for use in kitchens and clean rooms. 

Low emissions during the curing phase
Compatible with mirror coatings
Does not cause corrosion on metals
Does not cause staining around the edges

Properties

  • UV-resistant
  • Prevents mould thanks to fungicidal properties
  • Elastic
  • Suitable for use in permanently wet areas
  • No staining around the edges
  • Low-emitting
  • Odourless
  • Compatible with natural stone

Standards

  • For clean rooms
  • ISO 16938
  • DIN EN ISO 846
  • EC1
  • for food areas

Technical data

Sag resistance
<3
Temperature resistance
- 40° C to + 150° C
Processing temperature (substrate, environment)
+5° C to + 35° C
Packaging
310ml-cartridges and 400ml- and 600ml-foil bags; alternative packaging upon request
Tear strength
~ 4,10 N/mm (ISO 34-1)
Skin over time
~ 10 min. (23°C/50 % relative humidity)
Stress at break
~ 0,63 N/mm² (EN ISO 8339)
Density
~ 1.02 (glossy)
Elongation at break
~ 200% (EN ISO 8339)
Curing time
~3 mm/24 hours (at +23°C / 50 % relative humidity)
Shrinkage
~ 4% (EN ISO 10563)
Modulus
~ 0,40 N/mm² (EN ISO 8339)
Colours
According to current colour chart; also available in mat colours
Storage life
Storage life of cartridges and foil bags: 8 months in a cool and dry place
Shore hardness
~ 30 (EN ISO 868)
Basis
neutrally cross-linking alkoxy system

Applications

Main applications

Illustration grüne Bewegungsfugen bei einer Eckbadewanne
Sealing bath tubs
Fungicides and waterproof sealants deliver properly sealed joints in bathrooms for the long term.
Illustration einer Fuge in Grün
Sealing expansion joints
An elastic sealant balances out tension between different structural elements.
Illustration Dusche mit Glaswand und grün markierten Anschlussfugen
Sealing floor joints in kitchens and bathrooms
Sealants for heavily stressed joints in kitchens and bathrooms must absorb movement and be resistant to micro-organisms.
Sealing windows and doors on the outside
Long-lasting perimeter joints in outdoor areas require resilient and elastic sealants.
Sealing natural stone
Sealants for natural stone must not result in edges becoming stained.
Sealing joints in clean rooms
Especially abrasion-resistant sealants that meet strict guidelines are used for joints in clean rooms.
Installing mirrors
Low-odour and fast-cure materials are suitable for sealing and bonding special types of glass and mirrors.
Sealing joints in natural stone stairs
Plasticiser-free elastic sealants are suitable for sealing joints in stairs made of natural stone.

Other applications

Sealing cold room panels
When carrying out sealing work in cold storage facilities, the professional-grade materials have to meet some special requirements.
Bonding monuments and gravestones
Professional-grade materials for sculpted natural stone must be weather-proof and fast-curing.
Joints and bonding in kitchens
Professional-grade materials used in settings where food and beverages are prepared must fulfil the applicable standards.
Installing wall panelling in industrial facilities
Resilient professional-grade products compatible with a wide range of materials are used to bond and seal wall panels.
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