PVC FORMULATION | ADDITIVES
Above: The AM Stabilizer plant at Valparaiso in Indiana, US, produces
stabilisers for flexible and rigid PVC markets
best to deploy Norstab 85 in specific applications,” he explains. “Future developments we hope to address
revolve around offering zinc-free stabiliser options for rigid PVC applications,” Parks explains. “With the industry and consumers focusing increasingly on environmental impacts, we feel that the move away from heavy metals will be important for the long-term growth of our industry. Norac will collaborate with any company sharing the same idea and interest.”
Environmental concepts Environmental considerations are prime considera- tions in the latest stabiliser developments at Adeka. “A lot of PVC materials for building, film, and wire and cable are now being developed according to environmentally friendly concepts,” says Marie-Raphaël Morvillier, Technical Director, Adeka Polymer Additives Europe. “To accommo- date these requests, Adeka has been offering calcium-zinc system stabilisers as an alternative to lead stabilisers, such as the ADK STAB RX-300 series for fittings and the ADK STAB RUP series for wire and cable. They provide good heat and colour stability, processability and mechanical properties.” Adeka has also been working on tin stabiliser
replacement. “Although it is considered to be difficult to replace them due to their good stability performance, our latest stabiliser can provide similar transparency, colour and heat stability, and heat ageing characteristics in comparison to tin stabilisers,” says Morvillier . “In addition, we have developed a stabiliser formulation with good weatherability for flexible PVC. The system can provide long-term weatherability in outdoor applications.”
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TABOREN®
PP- and PE-based compounds with mineral and fi brous fi llers
<75%
BARIUM SULPHATE
<40%
GLASS FIBRE
<75% CALCIUM
CARBONATE VARIOUS TYPES
AND COMBINATIONS OF FILLERS
<70% TALC
automotive applications
silon.eu
construction
food industry
household & electrical appliances
More than value
IMAGE: AM STABILIZERS
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