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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Our ultra-white alpha hemihydrate is the cost-effective basis for premium dental gypsum plasters. This ensures that you will always achieve a consistent surface quality. Always close at hand – continually available. Flowing screed compound on an alpha hemihydrate basis for manufacturing calcium sulphate flowing screed as factory-mixed dry mortar.

In areas permanently exposed to moisture such as bathrooms or balconies, vapour barriers or professionally applied sealants ensure that there is sufficient protection.

Now this process at an accelerated pace takes just a few hours, whereas nature requires millions of years for the formation of natural gypsum deposits. Flowing screed has a higher bending tensile strength than cementitious screed resulting from its more dense structure, meaning that asnetzgips can be loaded with a higher load at the same screed thickness.

Bulk and Big Bag Download product data sheet. They knuaf mined in both open-cast and underground mines. Calcium sulphate flowing screeds on the basis of K-Sentials binders are optimized to produce a good surface finish.


Choose the compounds that deliver the best results for you. As a moist, znsetzgips flue gas gypsum also called FGD gypsumthe thermal anhydrite is directed straight into the economic cycle of the building material industry, and its uniform grain size makes it the exemplary manufacturing solution for many products.

Find out more about additional gypsums.

They differentiate primarily due to the alpha gypsum costume kknauf the fineness of the particulate grading. In garages, the entrance zones where the moisture is at its greatest must be sealed.

With cementitious screed, heat up can only commence after 21 days at the earliest. Cracks can also occur particularly where areas with contorted and complex geometries have too few movement joints. Find out more about alpha gypsum Additional Gypsums Production, use, product information – all about thermal and natural anhydrite.

Flowing Screed Binders

As soon as waterless anhydrite kauf into contact with water, it gradually reverts back into gypsum. How can I determine whether the supplied flowing screed material is quality monitored and compliant to the standard?

We manufacture aroundtonnes of calcium sulphate binder annually — at four locations in Germany. The can be used as a release and anti-caking agent, as a ansefzgips additive and extender in the manufacture of flour, a booster to increase the sugar yield from sugar beet, as a water hardness regulator and food additive E Technical advice Our experts from Knauf answer your questions.

Technical values, areas of application, testing and application procedures.

Knauf – K-Sentials (EN)

Our special gypsums — moulding gypsums, jiggering gypsum and medium pressure casting gypsum asetzgips used in the fine ceramics industry as a modelling and casting material in the manufacture of sanitary porcelain, pottery, stoneware and ceramic tableware.


This process has prevailed in both Western and Eastern Europe. Its low setting expansion, the smooth pore-free surface and its high compressive and flexural strengths make it an ideal base material for the manufacture of precision models: It consists of a compressor, refrigeration section and heater knau. A further, very important criterion for drying of calcium sulphate flowing screeds is the observance of the required screed thickness: Should you apply electrical underfloor ,nauf on a still new flowing screed, it is vital to ensure that the screed has achieved the required readiness to accept a floor covering before applying the floor covering, as it cannot be heated until dry like normal heated screed.

If the cracks are professionally remedied, the screed is deemed to be free of defects and cracks.

The compact crystal with a low specific surface and low water demands produces hard, low porosity casts. Alpha hemihydrate in the autoclave, or beta hemihydrate in the boiler plant or in the revolving kiln.

Gypsum, a rock that is more than million years old, is so easy to use that it has been employed as a building material for millennia. The moisture condenses there on the cold surface. Bulk and Big Bag Graining: The bending tensile strength 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.