Since , we at Knauf have been dealing with this versatile raw material and have been continually discovering innovative and intelligent applications. On this . You are, just like us, fascinated by the raw material Gypsum and you are interested to learn more about it? Then this is the right place! Just click through and. They prove their benefits day to day particularly in the building materials industry, and have been incorporated in Knauf products for decades. Even customers.

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We manufacture aroundtonnes of calcium sulphate binder annually — at four locations in Germany. It is practically self-levelling. Karst landscapes are impressive with their widely varied vegetation and numerous morphological manifestations. They differentiate primarily due to the alpha gypsum costume and the fineness of the particulate grading. As with all mineral bonded building aneetzgips, all calcium sulphate flowing screeds must get rid of the surplus water that is not chemically bonded into the ambient air.

For example, a crack can occur with heated screed during the drying phase should very cold outdoor air coming through open windows or doors come into contact with the screed at this point. This ensures that any noise from the floor is not transferred to the walls. CA-CF5 is a designation according to DIN EN for conventional calcium sulphate screed as well as for calcium sulphate flowing screed and defines the material and technical properties of the screed.

The floor covering installer determines the readiness for floor covering with a Knajf measurement test.

Knauf – K-Sentials

It was formed by sedimentation during evaporation of seawater in the flat basins distributed across the surface of the earth. Its short setting time makes it the optimum material for use as a quick repair material and for articulation.


In garages, the entrance zones where the moisture is at its greatest must be sealed. Thermal anhydrite CAB 30 Classification acc. Material Science Get to know knaut the building material.


Alpha gypsum CAB 30 Classification acc. Are you looking for a suitable binder or the right filler? This ensures that you will always achieve a consistent surface quality. Flowing screed compound on an alpha hemihydrate basis for manufacturing calcium sulphate flowing screed with mobile mix-vehicles. Its expansion is moderate in comparison to Plaster of Paris. The CE-marking provides the basis for the marking of products within the EU and may only be used by the manufacturer if a declaration of performance is available.

Our experts will offer you their support: Download product data sheet. CF5 Download product data sheet. Gypsum was formed between and million years ago.

When selecting the binder that best meets your requirements When developing and optimizing your recipe formulation and products or when converting to calcium sulphate flowing screeds Nasetzgips. Nature is inventive The inventive spirit of nature is ingenious.

The German Federal Emission Control Law Bundesimmissionsschutzgesetz fromstipulates that fossil fuel based combustion plants require flue gas desulphurization plants FGD. With cementitious screed the binder is cement; for calcium sulphate flowing screed the binder is calcium sulphate.

Material Science Get to know gypsum the building material. Finely ground alpha hemihydrate for use in the construction chemicals industry ansetgips as a base plaster for the dental industry.

A flow temperature that is too high can also cause ansetzgipz. The test to determine the readiness for floor covering performed by the floor covering specialist only permits the CM measurement method.

Alpha Gypsum

You define your specifications — we develop the ideal recipe. It is then distributed using a shovel, and levelled using a timber batten, and in a third step it is smoothed with a smoothing edge or smoothed using a screed smoothing machine. Even when screed is applied as stipulated, cracks can appear in the screed due to a diverse range of causes: The perimeter joints must also be implemented into the floor covering and also permit movement.


We will give you our full support in the development of the optimum recipe. Flowing screed has a higher bending tensile strength than cementitious screed resulting from its more dense structure, meaning that it can be loaded with a higher load at the same screed thickness.

Find out more about additional gypsums Material Science Get to know gypsum the building material. Our ultra-white alpha hemihydrate is the cost-effective basis for premium dental gypsum plasters.

The thinner screed layer also offers benefits for underfloor heating systems, which as a result can noticeably deliver heat more quickly. Technical advice Our experts from Knauf answer your questions. Our special gypsums — moulding gypsums, jiggering gypsum and medium pressure casting gypsum are used in the fine ceramics industry as a modelling and casting material in the manufacture of sanitary porcelain, pottery, stoneware and ceramic tableware.

The good flowability ensures that the heating tubes are securely enveloped ensuring that the heat is transferred completely to the screed. Calcium sulphate flowing screed has been developed for indoor application.

Knauf Perlfix-Ansetzgips

For the pharmaceuticals industry we produce special gypsums for plaster casts as well as fillers for pharmaceuticals and cosmetics. It is a simple, wet cleaning procedure utilizing natural limestone resulting in an end product of moist, fine desulphurized flue gas gypsum that is delivered directly as a raw material to the economic cycle of the building materials industry. Flowing screed features very good sound insulation properties.