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

Clariant Hostanox OSP 1 Antioxidant

Clariant Hostanox OSP 1 is a high-performance hindered phenolic antioxidant designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and excellent processing safety. Compatible with peroxide-cured systems, it prevents polymer degradation during extrusion and molding. Its low migration ensures long-term protection and meets stringent food-contact regulations.
  • clariant hostanox osp 1 antioxidant_bd9fa9a3
  • clariant hostanox osp 1 antioxidant_bd9fa9a3

Features Of Clariant Hostanox OSP 1 Antioxidant

  1. High-performance phenolic antioxidant specifically designed for polyolefins and engineering plastics.

  2. Excellent long-term thermal stability with low volatility and minimal migration.

  3. Compatible with common processing aids, pigments, and other additives in polymer formulations.

  4. Low color formation during processing and aging, supporting high aesthetic requirements.

  5. Regulatory-compliant for food-contact applications under FDA 21 CFR and EU Regulation (EU) No 10/2011.

Typical Applications Of Clariant Hostanox OSP 1 Antioxidant

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

  2. Automotive interior components including dashboards, door trims, and under-hood parts.

  3. Food packaging films and containers requiring FDA or EU food-contact compliance.

  4. Household appliances housings and consumer electronics enclosures.

  5. Blown and cast polyethylene (PE) films for agricultural and industrial use.

Specifications Of Clariant Hostanox OSP 1 Antioxidant

Chemical TypeSterically hindered phenolic antioxidant
Product FormFree-flowing white to off-white granules
AppearanceGranular, free of dust and agglomerates
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), engineering thermoplastics
Key FeaturesLow volatility, excellent melt stability, synergistic with phosphite co-stabilizers
BenefitsExtended service life, reduced discoloration, improved mechanical retention after aging
Recommended Loading Range0.05–0.3 wt% depending on application and processing conditions
Storage ConditionsStore in original sealed packaging at <25°C, protect from moisture and direct sunlight


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