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Ferro tailors stabilizers to local markets
Stabilizers
Ferro tailors stabilizers to local markets Ferro Polymer Additives Division opened two heat-stabilizer plants in Europe last year for the production of liquid and mixedmetal stabilizers. Products are tailored to meet the needs of local processors in the wire and cable, flooring and plastisols markets. For European wire and cable producers, Ferro's calcium/zinc (Ca/Zn) products include both low cost and general purpose grades for 70°C jacket and insulation. The general purpose grade, Therm-Chek® 7201P, is said to have processing characteristics similar to lead. For 90°C jacket and insulation, and 105°C cable and automotive applications, Ferro offers several lead-free Ca/Zn stabilizers with low water absorption. New products for the European flexible polyvinyl chloride (PVC) market include: • Therm-Chek 7105L general-purpose barium/zinc (Ba/Zn) liquid stabilizer, designed to balance cost with performance for plastisol applications. • Therm-Chek 7110L slightly lubricating, general-purpose Ba/Zn liquid stabilizer with low volatility, designed for filled and clear calendering and extrusion. • Therm-Chek 7500L high-efficiency Ca/Zn liquid stabilizer with low volatility and very low free phenol, designed for crystal-clear plastisol applications such as flooring topcoats. • Therm-Chek F 043P low cost, general purpose Ca/Zn powder stabilizer for extrusion applications such as hoses. It can be used in filled or semi-transparent applications. For the North American wire and cable market Ferro offers Therm-Chek RC 215P Ca/Zn stabilizer as an alternative to lead
stabilizers in applications requiring longterm wet electrical performance at elevated temperatures. Several PVC compounds stabilized with Therm-Chek RC 215P have been approved by Underwriters Laboratories for building wire applications. According to the company, some users have reported better dispersion characteristics than competing Ca/Zn stabilizers, reducing the number of defects during extrusion of wire insulation and reducing scrap levels. Ferro's Therm-Chek RC 255L calendering stabilizer has a low volatile organic compound (VOC) and phenol content. The liquid barium/zinc (Ba/Zn) stabilizer is said to cut VOC levels by more than 90% compared to traditional stabilizers, and also provide early colour-hold and long-term dynamic stability. Therm-Chek RC 335L Ba/Zn liquid stabilizer for flexible PVC is designed for plastisol and flooring applications. To help users conform to strict indoor air-quality standards, it has been formulated to generate very low levels of free phenol. Ferro says Therm-Chek RC 335L matches the early and long-term colour hold achieved by conventional high-phenolgenerating Ba/Zn liquids and also exhibits good clarity in non-filled flexible PVC applications. For filled plastisols and some flooring applications, Therm-Chek SP 1433 Ba/Zn liquid stabilizer has a low VOC profile and eliminates free phenol generation completely to help flooring producers conform with indoor air-quality standards. This product is also said to match the early and long-term colour hold performance of
conventional higher-phenol-generating Ba/Zn liquids. For commodity and engineering themoplastics applications requiring ultraviolet (UV) stabilization, Ferro offers two benzophenone-based products. The company says its UV-Chek® AM-340 is an effective light stabilizer for polyolefins and polyamide, especially in pigmented applications. Compatible with most polyolefins, styrenics, polycarbonates, thermoplastic polymers and elastomers, typical uses include moulded containers, stadium seats, car bumpers, and olefin and polyamide fibres for carpets and turf. Because it actually absorbs UV radiation, Ferro says UV-Chek AM-340 is particularly effective as a co-additive with other UV stabilizers such a hindered amine light stabilizers (HALS), benzotriazoles, and nickels. When UV-Chek AM-340 is used with HALS, for example, the co-additive combination is said to reduce colour shift of the plastic much better than HALS alone. UV-Chek AM-300, another benzophenone UV-light absorber, is compatible with a wide variety of plastics and coatings and is said to be ideal for use in flexible and semirigid PVC applications, such as automotive-body side mouldings, instrument panels, and glove boxes, and in coatings for automotive-body surface applications. UV-Chek AM-300 can also be used as a co-stabilizer for polyolefin mulch or greenhouse film. Contact: Ferro Polymer Additives Division Tel: +1 216 641 8580 Fax: +1 216 750 1416 Website: www.ferro.com
Aluminosilicate stability matches tin mercaptide Advera® 401F is PQ Corporation's latest addition to its range of sodium aluminosilicate solid co-stabilizers for polyvinyl chloride (PVC) applications. Advera 401F is a small particle aluminosilicate that was developed specifically for use in rigid PVC and chlorinated PVC (CPVC) formulations with high impact property requirements.
In typical rigid PVC formulations, PQ says Advera 401F can replace between 10% and 50% of a tin mercaptide stabilizer while maintaining the same dynamic thermal stability and early colour. It says this results in significant cost savings for stabilizer producers. Advera 401F is approved by the US Food and Drug Administration
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(FDA) for PVC plastics intended for single and repeated use in contact with food at levels not exceeding 5% by weight of the finished food contact article. Contact: PQ Corporation Tel: +1 610 651 4650 Website: www.pqcorp.com
Plastics Additives & Compounding January/February 2004
Ferro tailors stabilizers to local markets Ferro Polymer Additives Division opened two heat-stabilizer plants in Europe last year for the production of liquid and mixedmetal stabilizers. Products are tailored to meet the needs of local processors in the wire and cable, flooring and plastisols markets. For European wire and cable producers, Ferro's calcium/zinc (Ca/Zn) products include both low cost and general purpose grades for 70°C jacket and insulation. The general purpose grade, Therm-Chek® 7201P, is said to have processing characteristics similar to lead. For 90°C jacket and insulation, and 105°C cable and automotive applications, Ferro offers several lead-free Ca/Zn stabilizers with low water absorption. New products for the European flexible polyvinyl chloride (PVC) market include: • Therm-Chek 7105L general-purpose barium/zinc (Ba/Zn) liquid stabilizer, designed to balance cost with performance for plastisol applications. • Therm-Chek 7110L slightly lubricating, general-purpose Ba/Zn liquid stabilizer with low volatility, designed for filled and clear calendering and extrusion. • Therm-Chek 7500L high-efficiency Ca/Zn liquid stabilizer with low volatility and very low free phenol, designed for crystal-clear plastisol applications such as flooring topcoats. • Therm-Chek F 043P low cost, general purpose Ca/Zn powder stabilizer for extrusion applications such as hoses. It can be used in filled or semi-transparent applications. For the North American wire and cable market Ferro offers Therm-Chek RC 215P Ca/Zn stabilizer as an alternative to lead
stabilizers in applications requiring longterm wet electrical performance at elevated temperatures. Several PVC compounds stabilized with Therm-Chek RC 215P have been approved by Underwriters Laboratories for building wire applications. According to the company, some users have reported better dispersion characteristics than competing Ca/Zn stabilizers, reducing the number of defects during extrusion of wire insulation and reducing scrap levels. Ferro's Therm-Chek RC 255L calendering stabilizer has a low volatile organic compound (VOC) and phenol content. The liquid barium/zinc (Ba/Zn) stabilizer is said to cut VOC levels by more than 90% compared to traditional stabilizers, and also provide early colour-hold and long-term dynamic stability. Therm-Chek RC 335L Ba/Zn liquid stabilizer for flexible PVC is designed for plastisol and flooring applications. To help users conform to strict indoor air-quality standards, it has been formulated to generate very low levels of free phenol. Ferro says Therm-Chek RC 335L matches the early and long-term colour hold achieved by conventional high-phenolgenerating Ba/Zn liquids and also exhibits good clarity in non-filled flexible PVC applications. For filled plastisols and some flooring applications, Therm-Chek SP 1433 Ba/Zn liquid stabilizer has a low VOC profile and eliminates free phenol generation completely to help flooring producers conform with indoor air-quality standards. This product is also said to match the early and long-term colour hold performance of
conventional higher-phenol-generating Ba/Zn liquids. For commodity and engineering themoplastics applications requiring ultraviolet (UV) stabilization, Ferro offers two benzophenone-based products. The company says its UV-Chek® AM-340 is an effective light stabilizer for polyolefins and polyamide, especially in pigmented applications. Compatible with most polyolefins, styrenics, polycarbonates, thermoplastic polymers and elastomers, typical uses include moulded containers, stadium seats, car bumpers, and olefin and polyamide fibres for carpets and turf. Because it actually absorbs UV radiation, Ferro says UV-Chek AM-340 is particularly effective as a co-additive with other UV stabilizers such a hindered amine light stabilizers (HALS), benzotriazoles, and nickels. When UV-Chek AM-340 is used with HALS, for example, the co-additive combination is said to reduce colour shift of the plastic much better than HALS alone. UV-Chek AM-300, another benzophenone UV-light absorber, is compatible with a wide variety of plastics and coatings and is said to be ideal for use in flexible and semirigid PVC applications, such as automotive-body side mouldings, instrument panels, and glove boxes, and in coatings for automotive-body surface applications. UV-Chek AM-300 can also be used as a co-stabilizer for polyolefin mulch or greenhouse film. Contact: Ferro Polymer Additives Division Tel: +1 216 641 8580 Fax: +1 216 750 1416 Website: www.ferro.com
Aluminosilicate stability matches tin mercaptide Advera® 401F is PQ Corporation's latest addition to its range of sodium aluminosilicate solid co-stabilizers for polyvinyl chloride (PVC) applications. Advera 401F is a small particle aluminosilicate that was developed specifically for use in rigid PVC and chlorinated PVC (CPVC) formulations with high impact property requirements.
In typical rigid PVC formulations, PQ says Advera 401F can replace between 10% and 50% of a tin mercaptide stabilizer while maintaining the same dynamic thermal stability and early colour. It says this results in significant cost savings for stabilizer producers. Advera 401F is approved by the US Food and Drug Administration
29
(FDA) for PVC plastics intended for single and repeated use in contact with food at levels not exceeding 5% by weight of the finished food contact article. Contact: PQ Corporation Tel: +1 610 651 4650 Website: www.pqcorp.com
Plastics Additives & Compounding January/February 2004