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

BASF Irgastab PUR 68 Antioxidant

BASF Irgastab PUR 68 is a high-performance hindered phenolic antioxidant from the Irgastab series, specifically formulated for polyurethane (PUR) systems. It delivers exceptional thermal and oxidative stability during processing and long-term service life, inhibits discoloration, and maintains mechanical properties. Compatible with flexible/rigid foams, elastomers, and coatings, it offers low volatility and excellent migration resistance.
  • basf irgastab pur 68 antioxidant_10c08323
  • basf irgastab pur 68 antioxidant_10c08323

Features Of BASF Irgastab PUR 68 Antioxidant

  1. High-performance hindered phenolic antioxidant specifically developed for polyurethane (PUR) systems.

  2. Excellent thermal and long-term oxidative stability during processing and end-use.

  3. Low volatility and minimal migration, ensuring persistent protection in flexible and rigid foams.

  4. Good compatibility with common PUR raw materials including polyols, isocyanates, and catalysts.

  5. Halogen-free formulation supporting sustainability and regulatory compliance (e.g., RoHS, REACH).

Typical Applications Of BASF Irgastab PUR 68 Antioxidant

  1. Flexible polyurethane foams for automotive seating and interior trim.

  2. Rigid polyurethane insulation foams used in construction and refrigeration panels.

  3. Integral skin and microcellular PU elastomers for industrial gaskets and seals.

  4. Coated fabrics and thermoplastic polyurethane (TPU) compounds requiring enhanced aging resistance.

Specifications Of BASF Irgastab PUR 68 Antioxidant

Chemical TypeHindered phenol
Product FormPowder
AppearanceWhite to off-white free-flowing powder
Primary ApplicationsPolyurethane flexible & rigid foams, elastomers, coatings
Key FeaturesThermal stability, low volatility, halogen-free
BenefitsExtended service life, reduced discoloration, improved foam aging performance
Recommended Use Level0.1–0.5 wt% relative to polyol component
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight


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