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

SI Group DLTP Antioxidant

SI Group DLTP Antioxidant is a high-performance hindered phenolic antioxidant from the SI Group’s DLTP series, designed for polymer stabilization in demanding thermal and oxidative environments. It offers excellent melt protection for polyolefins, engineering plastics, and elastomers, with low volatility and superior compatibility. Widely used in automotive, packaging, and cable applications, it ensures long-term durability and processing stability.
  • si group dltp antioxidant_6fe6b169
  • si group dltp antioxidant_6fe6b169

Features Of SI Group DLTP Antioxidant

  1. High-efficiency primary antioxidant based on hindered phenol chemistry for superior thermal and oxidative stability.

  2. Excellent compatibility with a broad range of polymers including polyolefins, styrenics, and engineering thermoplastics.

  3. Low volatility and minimal migration, ensuring long-term performance retention during processing and end-use.

  4. Non-staining and low-color formation—ideal for light-colored and clear polymer applications.

  5. Regulatory compliant with FDA 21 CFR §178.2010 and EU Directive 10/2011 for food-contact plastics (subject to specific conditions).

Typical Applications Of SI Group DLTP Antioxidant

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

  2. Polyethylene (PE) films used in packaging, agricultural mulch, and geomembranes.

  3. Automotive interior components including dashboards, door panels, and trim parts.

  4. Injection-molded household appliances and consumer electronics housings.

  5. Recycled polyolefin compounds requiring stabilization against reprocessing-induced degradation.

Specifications Of SI Group DLTP Antioxidant

Chemical TypeHindered phenol (2,6-di-tert-butyl-4-methylphenol derivative)
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, free from visible impurities
Melting Point68–72 °C (determined by DSC, 10 °C/min)
Assay (by HPLC)≥ 99.0%
Volatile Matter (105 °C, 2 h)≤ 0.3%
Ash Content≤ 0.05%
Primary ApplicationsStabilization of polyolefins, styrenics, and elastomers during melt processing and service life


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