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

Eastman Tenox 4B Antioxidant

Eastman Tenox 4B Antioxidant is a high-performance hindered phenolic antioxidant from Eastman’s Tenox series, designed for polymer stabilization against thermal and oxidative degradation. It offers excellent compatibility with polyolefins, elastomers, and engineering resins, ensuring long-term protection during processing and end-use. Widely used in automotive, packaging, and industrial applications for enhanced durability and color retention.
  • eastman tenox 4b antioxidant_f93daa7e
  • eastman tenox 4b antioxidant_f93daa7e

Features Of Eastman Tenox 4B Antioxidant

  1. High-performance hindered phenolic antioxidant offering excellent thermal and oxidative stability.

  2. Low volatility and minimal migration, ensuring long-term protection in demanding polymer processing conditions.

  3. Compatible with a broad range of thermoplastics, elastomers, and synthetic rubbers.

  4. Non-staining and low-coloring—preserves clarity and aesthetic quality in light-colored and transparent applications.

  5. Regulatory compliant for use in food-contact and medical-grade polymer formulations where permitted.

Typical Applications Of Eastman Tenox 4B Antioxidant

  1. Polyolefins including polyethylene (PE) and polypropylene (PP) for packaging, fibers, and automotive components.

  2. Engineering plastics such as polybutylene terephthalate (PBT) and polyamide (PA) used in electrical and electronic housings.

  3. Thermoplastic elastomers (TPEs) and styrenic block copolymers requiring long-term aging resistance.

  4. Synthetic rubber compounds including EPDM, SBR, and NBR for industrial hoses, seals, and molded goods.

  5. Adhesives, sealants, and hot-melt formulations where thermal stability during extrusion or coating is critical.

Specifications Of Eastman Tenox 4B Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white granules
AppearanceGranular, free-flowing solid
Primary ApplicationsPolyolefins, engineering plastics, elastomers, rubber
Key FeaturesThermal stability, low volatility, non-staining
BenefitsExtended polymer service life, reduced discoloration, improved melt stability
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
Handling PrecautionsUse in well-ventilated areas; avoid inhalation of dust and contact with eyes/skin


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