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NAUGARD™ 445 Powder
NAUGARD™ 445 Powder is an amine antioxidant with excellent synergy with phenolic antioxidants and excellent for use in extreme heat and oxygen environments.
NAUGARD™ 445 is an aromatic amine antioxidant and heat stabilizer supplied in powder form and suitable for rubber and plastic applications. It provides excellent protection from peroxide degradation, improved color stability, and low volatility.
NAUGARD™ 445 is also ideal for use in polyurethane and polyol formulations to prevent scorch and degradation during processing, storage, and long-aging.
Specifications
Appearance: White powder or granules Molecular Weight: 406 g/mol Melting Point: 98-100 °C Color APHA: 20 Specific Gravity (@55 °C): 1.14 Flash Point: 277 °C
Primary Chemistry: 4,4'-Bis (α , α-dimethylbenzyl) diphenylamine
Features & Benefits
Available in granular and powder form Protect against extreme heat and oxygen Synergy with phenolic and phosphite antioxidants Low volatility and minimal susceptibility to bloom Low loading levels and minimal effect on cure rate Low water extractability and inherent resistance to chlorinated water Low adsorption onto fillers
Problems Solved
Insufficient protection of amine oxidants in extreme temperatures and weathering conditions Scorch of foams and polyurethane parts during processing Compatibility and synergy issues of amine antioxidants with phenolic and phosphite antioxidants High volatility and loading rates of commercially available amine antioxidants Availability issues and supply delays of specialty amine antioxidants
Applications
Natural and synthetic rubber compounds such as NBR, SBR, EAM Polyolefins and thermoplastic systems Polyurethanes, spandex, and polyol formulations Flexible, rigid, and integral foams Elastomeric coatings, latex, and hot-melt adhesives
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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Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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