Additives for paste-like masonry coatings

Under the name RUCOSIL® RUDOLF GROUP offers waterproofing additives that confer optimum protection. Silicone resin binders for paints and plasters as well as silicone waterproofing additives for the most diverse types of coatings increase water repellency and maintain or even improve water vapour permeability.

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RUCOSIL® B-TF

Co-binder in silicone resin emulsion paints and plaster

  • highly water repellent
  • high water vapour permeability
  • high early water resistance
  • low soiling tendency
  • film former
  • solvent-free
  • effective even with very low application quantities
  • resistant to alkali

Addition level and application: Silicone resin paint: 2 - 10 %; Silicone resin plaster: 2 - 6 %; SiSi-plaster: 2 - 4 % (calculated on total formulation)

Chemical description: Emulsion of a modified polysiloxane resin

Active substance: Approx. 50 %

Solvent: Water

Appearance: Milky, white, liquid

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RUCOSIL® B-TF 60

Co-binder in silicone resin emulsion paints and plaster

  • highly water repellent
  • high water vapour permeability
  • high early water resistance
  • low soiling tendency
  • film former
  • solvent-free
  • effective even with very low application quantities
  • resistant to alkali

Addition level and application: Silicone resin paint: 2 - 8 %; Silicone resin plaster: 2 - 5 %; SiSi-plaster: 2 - 3 % (calculated on total formulation)

Chemical description: Emulsion of a modified polysiloxane resin

Active substance: Approx. 60 %

Solvent: Water

Appearance: Milky, white, liquid

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RUCOSIL® B-HA

Hydrophobizing additive for water based masonry coatings for example silicone resin paints and plaster, acrylic paints and plaster, silicate paints and plaster

  • highly water repellent
  • no influence on water vapour permeability
  • high early water resistance
  • beading effect
  • solvent-free

Addition level and application: Silicone resin paint/plaster: 0.5-1.5 %; Acrylic paint/plaster: 1 - 3 %; Silicate paint/plaster: 1 - 3 % (calculated on total formulation)

Chemical description: Emulsion of a functional polysiloxane

Active substance: Approx. 50 %

Solvent: Water

Appearance: Milky, white, liquid

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RUCOSIL® B-LS

Hydrophobizing additive for water and solvent based masonry coatings for example silicone resin paints and plaster, acrylic paints and plaster, silicate paints and plaster, paints and plaster with a strong beading effect

  • highly water repellent
  • no influence on water vapour permeability
  • high early water resistance
  • strong beading effect
  • solvent-free

Addition level and application: Silicone resin paint/plaster: 0.5-1.5 %; Acrylic paint/plaster: 1 - 3 %; Silicate paint/plaster: 1 - 3 %; Beading paint/plaster: 3 - 5 % (calculated on total formulation)

Chemical description: Functional polysiloxane

Active substance: Approx. 100 %

Solvent: Solvent free

Appearance: Clear, liquid

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RUCOSIL® B-LF

“Beading booster“ for strongly water-beading Lotus paints and plaster in combination with silicone water hydrophobizing additives, such as RUCOSIL® B-HA or B-LS

  • water repellent
  • no influence on water vapour permeability
  • high early water resistance
  • strong beading effect
  • solvent-free
  • low soiling tendency

Addition level and application: beading paint: 0.5 - 1.5 % ®RUCOSIL B-LF; 1.0 - 3.0 % ®RUCOSIL B-HA or 0.5 - 2.0 % ®RUCOSIL B-LS / beading plaster: 0.5 - 1.5 % ®RUCOSIL B-LF; 1.0 - 3.0 % ®RUCOSIL B-HA or 0.5 - 2.0 % ®RUCOSIL B-LS (calculated on total formulation)

Chemical description: Aqueous fluorocarbon polymer

Active substance: Approx. 25 %

Solvent: Water

Appearance: Milky, yellowish, liquid

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RUCOSIL® B-HS

Hydrophobizing additive for waterand solvent based masonry coatings for example silicone resin paints and plaster, acrylic paints and plaster. Particularly suitable for silicate paints and plasters because the product is pH stabilized.

  • excellent water repellency
  • no influence on water vapour permeability
  • high early water resistance
  • very high storage stability at high pH-values
  • solvent-free

Addition level and application: Silicone resin paint/plaster: 0,5-1,5 % Acrylic paint/plaster: 1 - 3 % Silicate paint/plaster: 1 - 3 % (calculated on total formulation)

Chemical description: Functional polysiloxane

Active substance: Approx. 100 %

Solvent: Solvent free

Appearance: Clear, liquid

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RUCOSIL® B-OZ

Solvent-free additive for aqueous construction coating systems for the interior, particularly interior paints. It improves processing as well as wetting and flow properties. The hydrophobic character of the first coat prolongs the open time for the second coat

  • prolongation of the open time
  • longer, invisible retouch possible
  • increase of the first coat‘s hydrophobic properties
  • easier application of the second coat

Addition level and application: Interior Paint: 1.0 - 3.0 % (calculated on total formulation)

Chemical description: Emulsion of a functional polysiloxane

Active substance: Approx. 34%

Solvent: Water

Appearance: Clear, yellowish, liquid

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RUCOSIL® EPV 3559

Solvent-free additive for adjusting the pH-value of aqueous coatings like interior paints based on acrylics.

  • stable adjusting of pH-values between 11,0 – 12,0
  • easy dosage
  • VOV / SVOC-free
  • Water Hazard Class 1

Addition level and application: 1,0 – 3,0 % (calculated on total formulation)

Chemical description: Inorganic phosphate compounds

Active substance: Approx. 20 %

Solvent: Water

Appearance: Colourless, clear, liquid

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RUCOSIL® EPV 3547

Water-based additive for the use as a tannin barrier

  • suitable for all kind of wood
  • penetrates deeply into the wood
  • for high-quality processing
  • for interior and exterior application

Addition level and application: 1,0 – 3,0 % (calculated on total formulation)

Chemical description: Ammonium Zirconium Acetate

Active substance: Approx. 20 %

Solvent: Water

Appearance: Colourless, clear, liquid

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RUCOSIL® B-WX

Hydrophobizing additive for water based masonry coatings, mainly acrylic plaster; also used as exsiccation barrier

  • water repellent
  • no influence on water vapour permeability
  • high early water resistance
  • prevention of a too strong water
  • absorption of the subsequent coating
  • solvent-free

Addition level and application: Acrylic plaster: 0.5 - 1.5 %; Exsiccation barrier: 0.5 - 1.5 % (calculated on total formulation)

Chemical description: Emulsion of paraffins

Active substance: Approx. 40 %

Solvent: Water

Appearance: Milky, white, liquid

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RUCOSIL® B-SL

Defoamer for water based coatings, for example masonry paints and plaster, industrial and wood coatings, printing inks

  • strong defoaming effect
  • no formation of fat globules due to emulsion

Addition level and application: 0.1 - 0.5 % (calculated on total formulation) The defoamer is typically added undiluted at the beginning of production

Chemical description: Blend of polysiloxanes and emulsifiers

Active substance: Approx. 28 %

Solvent: Water

Appearance: Milky, white, liquid

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RUCOSIL® B-MK

Defoamer for water based coatings, for example masonry paints and plaster, industrial and wood coatings, printing inks

  • strong defoaming effect
  • silicone-free

Addition level and application: 0.1 - 0.5 % (calculated on total formulation) The defoamer is typically added undiluted at the beginning of production

Chemical description: Blend of liquid hydrocarbons, hydrophobic silica and emulsifiers

Active substance: Approx. 100 %

Solvent: Solvent free

Appearance: Brownish, turbid

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RUCOSIL® B-FF

Formaldehyde scavenger for water based indoor paints and plasters in liquid form

  • efficient reduction of formaldehyde
  • content in aqueous formulations and in the surrounding air
  • easy dosing
  • no yellowing
  • solvent-free

Addition level and application: 0,5 – 1,0 % (calculated on total formulation) The product can be added at any time of production

Chemical description: Solution of carboxamides

Active substance: Approx. 50 %

Solvent: Water

Appearance: Colourless, clear, liquid

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RUCOSIL® B-FF 100

Formaldehyde scavenger for water based indoor paints and plasters in powder form

  • efficient reduction of formaldehyde
  • content in aqueous formulations and in the surrounding air
  • easy dosing
  • no yellowing
  • solvent-free

Addition level and application: 0,25 - 0,50 % (calculated on total formulation) The product can be added at any time of production

Chemical description: Blend of carboxamides

Active substance: 100 %

Solvent: Powder

Appearance: White powder

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RUDOLF offers strong solutions for the construction chemical industry! We are happy to assist you in implementing the process on your articles.

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