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

Clariant Hostanox SE 4 Sulphur-Containing Co-Stabilizer

Clariant Hostanox SE 4 is a sulfur-containing co-stabilizer in the Hostanox antioxidant series, designed to enhance long-term thermal stability and synergize with primary antioxidants like hindered phenols in polyolefins and engineering plastics. It mitigates discoloration, prevents crosslinking, and improves processing safety—especially under high-temperature extrusion or molding conditions.
  • clariant hostanox se 4 sulphur containing co stabilizer_01c53c18
  • clariant hostanox se 4 sulphur containing co stabilizer_01c53c18

Features Of Clariant Hostanox SE 4 Sulphur-Containing Co-Stabilizer

  1. Highly effective sulphur-based co-stabilizer for synergistic performance with primary antioxidants (e.g., hindered phenols).

  2. Excellent processing stability during high-temperature extrusion and compounding of polyolefins.

  3. Low volatility and minimal plate-out, supporting clean operation in continuous production lines.

  4. Compatible with common polymer additives including acid scavengers, UV absorbers, and other HALS stabilizers.

  5. Contributes to long-term thermal oxidative stability in demanding end-use environments.

Typical Applications Of Clariant Hostanox SE 4 Sulphur-Containing Co-Stabilizer

  1. Polypropylene (PP) homopolymers and copolymers for automotive interior parts.

  2. High-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) for pipes and pressure vessels.

  3. Thermoformed packaging films requiring enhanced melt stability and clarity retention.

  4. Nonwoven fabrics used in hygiene and medical applications where thermal processing robustness is critical.

Specifications Of Clariant Hostanox SE 4 Sulphur-Containing Co-Stabilizer

Chemical TypeSulphur-containing organic compound (thioester derivative)
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid, free from visible impurities
Primary ApplicationsPolyolefins (PP, HDPE, LLDPE), especially in high-heat processing
Key FeaturesSynergistic co-stabilizer, low volatility, high thermal stability
BenefitsExtended polymer service life, reduced discoloration, improved mechanical property retention
Recommended Use Level0.05–0.3 wt% (typically 0.1–0.2 wt% with primary antioxidant)


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