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Lignosulfonates are chemically modified biopolymers that are produced during the production of cellulose with the use of sulfites. Both soft and hard woods from Germany’s forests are used as a raw material ...


Rubber additives from Sappi Biotech GmbH are marketed worldwide under the trade names "HANSA Dis" and "HANSA Powder". These are reliable processing additives for use in the processing of rubber and ...


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