Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Clariant Hostanox O 3 powder Antioxidant

Clariant Hostanox O 3 powder is a high-performance hindered phenolic antioxidant designed for polyolefins and engineering plastics. It offers excellent thermal stability, low volatility, and superior processing safety. Widely used in PP, PE, and TPO applications, it ensures long-term polymer protection during extrusion and molding while maintaining color stability and low odor.
  • clariant hostanox o 3 powder antioxidant_5404e269
  • clariant hostanox o 3 powder antioxidant_5404e269

Features Of Clariant Hostanox O 3 powder Antioxidant

  1. High-performance primary antioxidant based on hindered phenol chemistry for superior long-term thermal stability.

  2. Excellent compatibility with polyolefins, including PP and HDPE, without blooming or plate-out issues.

  3. Low volatility and high melt stability ensure consistent performance during high-temperature processing (e.g., extrusion, injection molding).

  4. Free-flowing, dust-reduced powder form enables precise gravimetric dosing and improved handling safety.

  5. Synergistic with phosphite co-stabilizers (e.g., Hostanox P-EPQ) for enhanced oxidative protection in demanding applications.

Typical Applications Of Clariant Hostanox O 3 powder Antioxidant

  1. Polypropylene (PP) fibers and nonwovens for hygiene and medical use.

  2. HDPE and LLDPE blow-molded containers requiring FDA-compliant stabilization.

  3. Automotive interior components exposed to elevated under-hood temperatures.

  4. Thin-walled packaging films where clarity and long-term color retention are critical.

  5. Recycled polyolefin compounds needing robust stabilization against cumulative degradation.

Specifications Of Clariant Hostanox O 3 powder Antioxidant

Chemical TypeHindered phenol (2,6-di-tert-butyl-4-methylphenol derivative)
Product FormFree-flowing, microgranulated powder
AppearanceWhite to off-white free-flowing powder
Primary ApplicationsPolyolefins (PP, PE), especially in fiber, film, and injection-molded parts
Key FeaturesLow volatility, high thermal stability, excellent processability
BenefitsExtended service life, reduced yellowing, improved mechanical property retention
Regulatory StatusCompliant with FDA 21 CFR §178.2010 and EU Regulation (EC) No 10/2011 for food contact
Storage ConditionsStore in cool, dry place below 30 °C; protect from moisture and direct sunlight


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