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

Matililan B921 Antioxidant

Matililan B921 Antioxidant is a high-performance hindered phenolic antioxidant from Matililan’s B-series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic compatibility with phosphites. Widely used in PP, PE, and TPO applications to prevent oxidative degradation during processing and long-term service life.
  • matililan b921 antioxidant_316ec2fe
  • matililan b921 antioxidant_316ec2fe

Features Of Matililan B921 Antioxidant

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

  2. Low volatility and excellent compatibility with polyolefins, styrenics, and engineering thermoplastics.

  3. Non-staining and low odor—ideal for applications requiring high aesthetic and sensory performance.

  4. Effective at low addition levels (0.1–0.5 wt%), delivering cost-efficient stabilization.

  5. Meets major global regulatory requirements including FDA 21 CFR §178.2010 and EU Regulation (EC) No 10/2011 for food-contact plastics.

Typical Applications Of Matililan B921 Antioxidant

  1. Polypropylene (PP) and polyethylene (PE) fibers, films, and injection-molded packaging.

  2. Automotive interior components exposed to elevated temperatures and UV stress.

  3. Medical-grade polyolefin devices requiring long-term shelf-life and biocompatibility support.

  4. Household appliances and durable consumer goods made from stabilized thermoplastics.

  5. Recycled polymer streams where enhanced melt stability during reprocessing is critical.

Specifications Of Matililan B921 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white powder
AppearanceFree-flowing crystalline powder
Melting Point128–132 °C
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.1%
Heavy Metals (as Pb)≤ 5 ppm
Primary ApplicationsPolyolefins, styrenic polymers, engineering plastics


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