ETHANOX™ 330 Granular antioxidant is a high–molecular weight phenolic additive for elastomers, PE wire insulation, hot-melt adhesives, tackifiers, and engineering polymer applications. This phenolic antioxidant is similar to ETHANOX™ 330 Powder; however, it’s offered in a granular form for easy handling.
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ETHANOX™ 330 Granular antioxidant additive exhibits superior performance over typical high–molecular weight antioxidants in controlling the degradation of polyolefin polymers during processing. It is compatible with a wide variety of resins and most polymer additives. ETHANOX™ 330 Granular antioxidant is stable at high temperatures and is electrically neutral, making it a particularly effective antioxidant for PE wire insulation.
Other antioxidants may contain ester linkages that hydrolyze easily, and ETHANOX™ 330 Granular does not have these linkages, resulting in superior hydrolysis resistance. This hydrolysis resistance is vital for applications requiring protection against water exposure, such as pipes, wires, and cables. ETHANOX™ 330 Granular is also nonmigratory and is the only high–molecular weight phenolic antioxidant approved by the FDA for indirect food contact use in all polymers.
Appearance: Crystalline powder
Color: White
Melting Point: 244 °C
Molecular Weight: 775 g/mol
Bulk Density: 630 kg/m³
Broad food contact approvals
Resistant to water and solvent extraction
Decreases water carryover in water-quenched PP films
Not absorbed by the fillers commonly used in polyolefins
Low volatility
Biologically inert
Nonstaining and nondiscoloring
Electrically neutral
Nonmigrating
Domestic manufacturing
Limited versatility of phenolic antioxidants for use across various applications, including elastomers, polyethylene wire insulation, hot-melt adhesives, tackifiers, and engineering polymers
Electrical properties of antioxidants for use in wire and cable thermoplastics
FDA approvals for high-temperature phenolic antioxidants for use in indirect food contact applications
Staining, discoloration, and migration of phenolic antioxidants in LDPE, HDPE, and other polyolefins
Handling and dusting issues with powder-form phenolic antioxidants
Water carryover in water-quenched polypropylene films
Plastics, including LDPE and HDPE wire insulation
Rubber
Waxes
Hot-melt adhesives
HDPE and MDPE piping
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