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Kreidezeit casein primer

Product information "Kreidezeit casein primer"

Kreidezeit casein primer has a wide range of applications. This colourless, transparent primer can be used for subsequent coats of paint, as well as for Kreidezeit lime paints, plasters and casein paints in interior applications.


The major advantage of this primer is that it does not reduce the vapour permeability of plasters (sD value < 0.01 m), making it ideally suited for clay and lime plasters.
The product reduces the absorbency of highly absorbent substrates and evens out differences in absorbency between substrates.

Areas of application
Suitable for use on all untreated and absorbent substrates such as clay, lime, lime-cement and gypsum plasters, plasterboard and gypsum fibre boards, stone and concrete. 
Recommended for priming absorbent existing coatings prior to renovation: e.g. Kreidezeit casein paints, clay paints, lime putty paints and emulsion paints. 
Not suitable for any smooth, non-absorbent surfaces or substrates subject to persistent damp. For the transparent consolidation of plasters, particularly clay plasters in interior applications; test areas must be applied in such cases.
Further use of the product within paint and plaster systems is described in the relevant product information.

Properties
Powder to be mixed with water
Reduces the absorbency of highly absorbent substrates and evens out variations in the substrate’s absorbency
Strengthens substrates prone to slight sanding
Excellent penetration
Colourless, transparent
Easy to apply
goes a long way
Highly vapour-permeable
free from preservatives
Paint residues are compostable

Full list of ingredients
Casein, soda

Mixing the casein primer
A 10-litre bucket and a mixing device (drill + whisk) are best suited for mixing the casein primer. Add the contents of the casein primer sachet (250 g) to 3 litres of clean, cold water, stirring constantly. Make sure that all lumps are stirred out. After leaving it to soak for approx. 30 minutes, stir thoroughly once more and dilute with 5 litres of water.  

Application
Apply the casein primer evenly and generously. Apply only as much liquid as the substrate can absorb. Any excess (wet, glossy patches) must be wiped off with a cloth before it dries. Application temperature: at least 8°C. The mixed primer must be used on the same day. Under no circumstances should primer with a foul or putrid odour be used: risk of persistent odour problems even after drying! 

Drying time in normal conditions 
Dried after approx. 8 hours at 20°C and ready for overcoating with lime or casein-based paints or plasters. 

Suitable tools 
Suitable tools include good-quality natural-bristle façade and ceiling brushes. Do not spray casein primer or apply it with a roller. You will find good-quality façade and ceiling brushes in our range. Façade paintbrush, lime paintbrush, ceiling brush

Cleaning the tools 
with water immediately after use.




Areas of application: Clay plaster, Design plasters, Interior fit-out, Interior plaster, Lime plasters, Wall coating
Manufacturer: Kreidezeit
Packaging: Pouch/Bag
Pack size: Bag 0.250kg, Bag 5kg
Product category: Clay building materials, Interior fit-out, Paints/Plasters, Wall
Product group: Paints, Substrate preparation and primers
Shipping: Collection available, Parcel shipping

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