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Alpha Calcit Füllstoffgesellschaft mbH & Co. KG is one of the leading suppliers of white fillers to numerous industries in Europe, USA, Africa and Asia. The company, which is rich in tradition, was founded in 1919 and has since been run as a purely family-owned enterprise now in its 3rd generation.
The entire value-added chain, from raw material deposits own mining, processing and production facilities to sales and distribution
is vertically integrated in the Alpha Calcit - Group. Own production companies of the Alpha Calcit - Group are located where excellent raw materials are available, which guarantee the production of best mineral fillers in the long run and future-proof.
A total of more than 115 employees ensure presence in the market. Production sites are located in Germany, Austria, Italy and Turkey.
Our product portfolio is based on bright white fillers. As mineralogical-chemical basis, in addition to
- natural calcium carbonates in crystalline and microcrystalline form
- natural layered silicates such as talc
- synthetically hydroxides (ATH)
- precipitated carbonates (PCC)
- other silicates and
- titanium dioxides
are used. Some product classes are supplied both non-treated and surface as well as surface modified.

• natural calcium carbonates in crystalline and microcrystalline form
• natural layered silicates such as talc
• synthetically hydroxides (ATH)
• precipitated carbonates (PCC)
• other silicates and
• titanium dioxides

are used. Some product classes are supplied both non-treated and surface as well as surface modified.

Since 1971, we develop and produce masterbatches and compounds for polyolefins and are one of the leading partners in the plastics processing industry.
CONSTAB is one of the market leaders in the production of masterbatches for biaxially oriented polypropylene (BOPP) films. We offer masterbatch solutions that are used for the production of high-quality end products in various applications like packaging films (BOPP, BOPE, CPP, PE), polycarbonate sheets, agricultural films and derivatives, biopolymer and flame retardant applications, pipes, fibers, nonwovens, extrusion blow molding, injection molding and much more. Our masterbatches are applied all over the world.
Since 2003 we belong to the Kafrit Group.