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

Rianlon RIANOX DSTP Antioxidant

Rianlon RIANOX DSTP is a high-performance hindered phenolic antioxidant from Rianlon’s RIANOX series, designed for polyolefins and engineering plastics. It offers exceptional thermal stability, low volatility, and synergistic effects with phosphites. Widely used in PP, PE, and ABS to prevent oxidative degradation during processing and long-term service.
  • rianlon rianox dstp antioxidant_fbf6b772
  • rianlon rianox dstp antioxidant_fbf6b772

Features Of Rianlon RIANOX DSTP Antioxidant

  1. High-efficiency phenolic antioxidant with synergistic performance in combination with phosphites and thioesters.

  2. Excellent thermal stability suitable for high-temperature polymer processing (up to 300 °C).

  3. Low volatility and minimal migration, ensuring long-term stabilization in demanding applications.

  4. Compatible with polyolefins including PP, HDPE, LDPE, and ethylene copolymers.

  5. Meets major global regulatory requirements for food-contact and medical-grade polymers (e.g., FDA 21 CFR §178.2010, EU Directive 10/2011).

Typical Applications Of Rianlon RIANOX DSTP Antioxidant

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

  2. Automotive interior components requiring long-term color and mechanical stability.

  3. Food packaging films and containers made from polyolefin resins.

  4. Medical tubing and disposable devices processed via extrusion or injection molding.

  5. Rotomolded tanks and industrial containers exposed to UV and thermal stress.

Specifications Of Rianlon RIANOX DSTP Antioxidant

Chemical TypeSymmetric hindered phenol (2,6-di-tert-butyl-4-(octadecyloxy)phenol)
Product FormFree-flowing white to off-white granules
AppearanceGranular, uniform particle size distribution
Melting Point52–56 °C
Assay (by HPLC)≥ 99.0 %
Residue on Ignition≤ 0.1 %
Heavy Metals (as Pb)≤ 10 ppm
Primary ApplicationsPolyolefin stabilization (PP, PE), food-contact & medical polymers


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