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

Lianlong Rianox MD-697 Antioxidant

Lianlong Rianox MD-697 Antioxidant is a high-performance hindered phenolic antioxidant from Lianlong’s Rianox 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.
  • lianlong rianox md 697 antioxidant_6d086d99
  • lianlong rianox md 697 antioxidant_6d086d99

Features Of Lianlong Rianox MD-697 Antioxidant

  1. High-efficiency hindered phenolic antioxidant with excellent thermal stability up to 230°C.

  2. Low volatility and minimal migration, ensuring long-term protection in polymer matrices.

  3. Compatible with a broad range of thermoplastics, elastomers, and engineering resins.

  4. Non-staining and low-color formation, suitable for light-colored and transparent applications.

  5. Meets major global regulatory requirements including REACH and RoHS compliance.

Typical Applications Of Lianlong Rianox MD-697 Antioxidant

  1. Polypropylene (PP) fibers and injection-molded automotive components.

  2. Polyethylene (PE) films, pipes, and geomembranes exposed to outdoor weathering.

  3. Thermoplastic elastomers (TPEs) used in consumer goods and medical tubing.

  4. Engineering plastics such as polybutylene terephthalate (PBT) and polyamide (PA) blends.

  5. Recycled polymer streams requiring robust stabilization against thermo-oxidative degradation.

Specifications Of Lianlong Rianox MD-697 Antioxidant

Chemical TypeHindered phenol
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, free from visible impurities
Melting Point148–152°C
Assay (by HPLC)≥ 99.0%
Volatile Matter (105°C, 2 h)≤ 0.3%
Ash Content≤ 0.05%
Primary ApplicationsPolyolefins, engineering plastics, elastomers, recycled polymers


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