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ALKANOX™ 240 Granular
ALKANOX™ 240 Granular is an organo-phosphite antioxidant and stabilizer, similar to ALKANOX™ 240 Powder but supplied in a non-dusting granular form.
ALKANOX™ 240 Granular, similar to ALKANOX™ 240 Powder, is a highly efficient phosphite antioxidant that effectively reduces peroxide-induced oxidative degradation while processing polymeric materials and thermoplastics. It carries a broad range of FDA approvals for food contact applications. ALKANOX™ 240 is a cost-efficient general-purpose organo-phosphite antioxidant for use in high-temperature processes due to its low volatility and superior color control and protection.
ALKANOX™ 240 Granular is a commonly used polypropylene for its minimal LTHA color and gas-fading properties. It is also a preferred antioxidant for polyolefins, polycarbonate, ABS, and polyesters when thermal stability and color protection are required. Furthermore, this grade generally proposed process stabilizers in coatings, hot-melt adhesives, and sealants.
Specifications
Form: Free-flowing, granular Color: White CAS number: 31570-04-4 Molecular weight: 647 g/mol Bulk density: 530 kg/m3 Melting point: 182°C–188°C
Primary Chemistry: Tris (2,4-di-t-butylphenyl) phosphite
Features & Benefits
Supplied in granular form form, non-dusting Cost-efficient Prevents processing-induced degradation Effective at high temperatures Broad FDA food contact approval Excellent hydrolytic stability Color control and protection Minimal effect in LTHA color Minimal impact on gas fading High synergy with phenolic antioxidants
Problems Solved
High cost and loading rate of high-temperature antioxidants Peroxide decomposition and degradation in polymers and thermoplastics FDA clearance for phosphite antioxidants for use in food contact applications High volatility and color-control issues with the use of primary antioxidants Stability in high-temperature processes, including thermoplastics and hot-melt adhesives long lead time and supply issues of tris (2,4-di-t-butylphenyl) phosphite antioxidants Dusting and handling difficulties of powder form antioxidants
Applications
General plastic compounding and masterbatch Polypropylene injection molding and sheet extrusion processes Polypropylene fibers, films, and tapes HDPE and LLDPE films, tapes, and pipes HDPE injection molding, rotomolding, and blow molding processes LLDPE rotomolding applications Hot-melt adhesives and sealants General stabilizer in coatings
SI Group™ carries a full portfolio of IRGANOX®, TINUVIN®, and Uvinul® drop-in equivalent antioxidants and UV stabilizers for the coatings and adhesive industries.
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