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NAUGARD™ 445 Granular
NAUGARD™ 445 Granular is an excellent-performance amine antioxidant with significant synergy with phenolics, particularly effective in extreme heat and oxygen environments.
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- Manufacturer: SI Group
- Product Line: SI Group Specialty Antioxidants
- Product: NAUGARD™ Amine Antioxidants
- Industries: Adhesives | Elastomers | Energy | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | Mexico | United States
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Fulfilled By ChemPoint
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Authorized Countries
Canada
Mexico
United States
Overview
NAUGARD™ 445 is an aromatic amine antioxidant and heat stabilizer for rubber and plastics. NAUGARD™ 445 amine antioxidant is featured with excellent stability, color retention, and ultra-low volatility.NAUGARD™ 445 provides exceptional protection to polymer systems, including plastics, elastomers, coatings, adhesives, and various other applications. It also offers protection from peroxide degradation and scorch during the processing of polyurethane and polyol systems.
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
- Advanced protection against extreme heat and oxygen
- Storage stability at room temperature
- Significant synergy with phenolic and phosphite antioxidants
- Low volatility
- Minimal susceptibility to bloom
- Protection from peroxide degradation at low loading levels
- Low water extractability and inherent resistance to chlorinated water
- Low adsorption onto fillers
Problems Solved
Low performance of amine oxidants in extreme temperatures and weathering conditions
Synergy with phenolic and phosphite antioxidants
High volatility of commercially available amine antioxidants
High loading rate of traditional amine antioxidants and adsorption onto fillers
Long lead time and high minimum order quantity of specialty amine antioxidants
Dusting and handling issues of powder amine antioxidants
Scorch and stability issues during the processing of foams and polyurethane products
Applications
Natural and synthetic rubber products such as NBR, SBR, EAM
Thermoplastic and polyolefin systems Polyurethanes, foams, spandex, and polyol formulations
Elastomeric coatings, latex, and hot-melt adhesives
Related Applications
Adhesives
Related Chemistries
Adhesives
Related End Markets
Elastomers
Metal Processing & Fabrication
Related Functions
Related Processes
Elastomers
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