®RUCOSIL Silicone additives

for pasty masonry coatings

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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.


®RUCOSIL B-TF

Silicone Resin Binder

Co-binder in silicone resin emulsion paints and plaster

  • excellent water repellency
  • high water vapour permeability
  • high early water resistance
  • low soiling tendency
  • film forming
  • solvent free
  • also effective with very low
  • addition level
  • 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


®RUCOSIL B-TF 60

Silicone Resin Binder

Co-binder in silicone resin emulsion paints and plaster

  • excellent water repellency
  • high water vapour permeability
  • high early water resistance
  • low soiling tendency
  • film forming
  • solvent free
  • also effective with very low
  • addition level
  • 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


®RUCOSIL B-MS

Silicone Resin Binder high-temperature resistant

Co-binder in silicone resin emulsion paints and plaster and in high-temperature resistant coatings

  • high-temperature resistant
  • excellent water repellency
  • high water vapour permeability
  • high early water resistance
  • low soiling tendency
  • film forming
  • solvent free

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

Chemical description: Emulsion of a methyl silicone resin

Active substance: Approx. 50 %

Solvent: Water

Appearance: Milky, white, liquid


®RUCOSIL B-HA

Silicone-Hydrophobizing-Additive

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

  • excellent water repellence
  • does not influence permeability to water vapor
  • high early water resistance
  • creates a 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


®RUCOSIL B-LS

Silicone-Hydrophobizing-Additive

Hydrophobizing additive for water and solvent based masonrycoatings for examplesilicone resin paints and plaster, acrylic paints and plaster, silicate paints and plaster,paints and plaster with a strong beading effect

  • excellent water repellence
  • does not influence permeability to water vapor
  • high early water resistance
  • creates a 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


®RUCOSIL B-LF

Fluorocarbon resin

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

  • water-repellent
  • no influence on the water vapour permeability 
  • high early water resistance
  • creates a very strong beading effect 
  • solvent-free
  • low tendency to soil

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


®RUCOSIL B-BF

Silicone-Additive

Bi-functional hydrophobizing agent to create surfaces with a weak water beading effect. Suitable for aqueous facade coatings such as silicone resin paints and plasters, silicate paints and plasters as well as solvent borne coatings.

  • for creating surfaces with a weak water beading effect faster transport of water from the facade surface
  • can reduce the rate of infestation of the facade with algae and fungi
  • highly water repellent
  • does not affect the water vapour permeability
  • high early-water resistance
  • suitable for aqueous and solvent borne systems

Addition level and application: Silicone resin paint/ plaster: 3 – 5 %; Emulsion paint/ plaster: 3 – 5 %; Silicate paint/ plaster: 3 – 5 % (related to the total formulation)

Chemical description: Functional polysiloxanes

Active substance: Approx. 84 %

Solvent: Glycols

Appearance: Clear, liquid


®RUCOSIL B-OZ

Silicone-Additive

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

  • prolongs the open time 
  • longer, invisible re-touch possible 
  • increases the hydrophobic properties of the first coat 
  • 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


®RUCOSIL B-WX

Wax-Emulsion

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

  • no influence on the water vapour permeability 
  • high early water resistance
  • prevents 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


®RUCOSIL B-SL

Defoamer

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

  • highly effective
  • well dispersible

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


®RUCOSIL B-MK

Defoamer

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

  • highly effective
  • well dispersible
  • 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


®RUCOSIL B-FF

Formaldehyde scavenger, water based

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

  • reduces the formaldehyde content significantly in aqueous formulations
  • well dispersible
  • non-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


®RUCOSIL B-FF 100

Formaldehyde scavenger, in powder form

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

  • reduces the formaldehyde content significantly in aqueous formulations
  • well dispersible
  • non-yellowing

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 Italia 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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