RUCOMIN

Powdery Additives

The RUDOLF GROUP produces powder additives for the use in dry mixtures, which are mixed with water before use. The silicone water-repellent additives, defoamers and rheology auxiliaries can easily be mixed with other powdery raw materials like sand, cement and plaster.

RUCOMIN® B-PW

Silicone water repellent additive in powder form for cemet-based mineral construction material mixes, e.g. premixed plasters, mortars, grouts and powder paints

for cement-based building materials
water soluble
excellent water repellence
does not influence permeability to water vapor
high early water resistance
creates a beading effect
low soiling tendency

Addition level and application: Required quantity: 0,1 - 0,5 % (calculated on total formulation)

Chemical description: Silanes / Polysiloxanes on a water-soluble carrier

Active substance: 100 %

Solvent:

Appearance: Yellowish powder

RUCOMIN® B-PM

Defoamer in powder form for mineral construction material mixes, e.g. premixed plasters, mortars, joint fillers, screeds and powder paints

highly effective
silicone free

Addition level and application: Required quantity: 0,1 - 0,5 % (calculated on total formulation)

Chemical description: Blend of liquid hydrocarbons and emulsifiers on an inorganic carrier

Active substance: 30 %

Solvent: Water-insoluble

Appearance: White powder

RUCOMIN® B-RE 95

Improves in gypsum-based dry-mix systems key properties as workability and productivity of the wet mortar, setting properties and adhesion on critical surfaces

especially suitable for gypsum
excellent water binding and water retention ability
rheology control of the wet mortar
no adhesion of the wet mortar on the trowels, therefore clean tools
excellent suspending and stabilizing of the mineral components
excellent alkaline resistance
long open time
high stability of the wet mortar on vertical surfaces
crack-free setting

Addition level and application: Required quantity: machine and hand applied plas-ters based on gypsum: 0,1 – 0,3 % putties based on gypsum: 0,3 – 0,8 % (calculated on the dry weight of the masses)

Chemical description: Hydroxypropyl Guar

Active substance: 100 %

Solvent:

Appearance: Yellowish fine powder

RUCOTIX B-GR 10, 12, 14, 20

Improves key properties of latex paints and plasters like storage stability, workability, productivity and adhesion on critical surfaces.

very high viscosity and shear thinning ability
provides good suspending and protective colloid ability
provides good dispersing and stabilizing ability of the fillers
excellent water retention
low spatter tendency and low sagging during paint application
good paint levelling
excellent alkaline-resistance
long open time
excellent adhesion on critical surfaces

Addition level and application: Required quantity: emulsion paints: 0,2 – 1,2 %; solid colors: 0,3 – 1,3 %; powder paints: 0,3 – 1,2 %; synthetic resin plasters: 0,2 – 0,9 %; dispersion adhesives: 0,2 – 1,0 %

Chemical description: Hydroxypropyl Guar

Active substance: 100 %

Solvent:

Appearance: Yellowish fine powder

RUCOTIX B-XA 2

Powdery rheology additive for aqueous or mineral building material mixtures.

distinct pseudoplasticity at low application concentrations
excellent stability, even with high electrolyte concentrations
high viscosity stability within a wide pH range
high stability to temperature of the aqueous solutions
distinct lubrication and gliding effect when pumping two-phase-systems
excellent stability against microbial infestation

Addition level and application: Required quantity: 0.01 - 0.09% in paint formulations 0.1 - 0.6% in synthetic resin plaster systems 0.04 - 0.1% in cement-based systems (calculated on total formulation)

Chemical description: Xanthan

Active substance: 100 %

Solvent:

Appearance: Yellowish fine powder

RUCOTIX B-XA 5

Powdery rheology additive for aqueous or mineral building material mixtures.

controllable hydration offers easy dispersing into aqueous systems due to controllable distinct pseudoplasticity at low application concentrations
excellent stability, even with high electrolyte concentrations
high viscosity stability within a wide pH range
high stability to temperature of the aqueous solutions
distinct lubrication and gliding effect when pumping two-phase-systems
excellent stability against microbial infestation

Chemical description: Xanthan

Active substance: 100 %

Solvent:

Appearance: Yellowish fine powder

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