ALKANOX™ 240 Granular is an organo-phosphite antioxidant and stabilizer, similar to ALKANOX™ 240 Powder but supplied in a non-dusting granular form.
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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.
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
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
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
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
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