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

Shepherd BiCAT 8226 Bismuth Catalyst

Shepherd BiCAT 8226 is a high-performance bismuth-based catalyst designed for polyurethane foam production, offering low toxicity, excellent reactivity control, and superior hydrolytic stability versus traditional tin catalysts—ideal for flexible slabstock and molded foams requiring consistent cell structure and reduced emissions.
  • shepherd bicat 8226 bismuth catalyst_273c993e
  • shepherd bicat 8226 bismuth catalyst_273c993e

Features Of Shepherd BiCAT 8226 Bismuth Catalyst

  1. Highly selective bismuth-based catalyst enabling efficient urethane formation with minimal side reactions.

  2. Low toxicity profile compared to traditional tin or mercury catalysts, supporting safer handling and regulatory compliance.

  3. Excellent thermal stability up to 150 °C, maintaining catalytic activity during extended processing cycles.

  4. Water-tolerant formulation suitable for moisture-sensitive polyurethane systems without premature gelation.

  5. Compatible with a broad range of polyols and isocyanates, including aromatic and aliphatic MDI/TDI systems.

Typical Applications Of Shepherd BiCAT 8226 Bismuth Catalyst

  1. Flexible and rigid polyurethane foam production for automotive seating and insulation.

  2. Coatings and adhesives requiring low-VOC, non-staining catalysis in industrial finishing.

  3. Sealants and elastomers where long pot life and controlled cure kinetics are critical.

  4. Reaction injection molding (RIM) and structural foam applications demanding reproducible reactivity.

  5. Biobased polyurethane formulations utilizing renewable polyols and sustainable chemistry platforms.

Specifications Of Shepherd BiCAT 8226 Bismuth Catalyst

Chemical TypeBismuth carboxylate complex
Product FormLiquid
AppearanceClear to slightly hazy amber liquid
Primary ApplicationsPolyurethane foam, coatings, adhesives, sealants
Key FeaturesNon-toxic alternative to Sn/ Hg catalysts; REACH-compliant
Storage ConditionsStore at 15–25 °C in tightly sealed containers, away from moisture
Shelf Life24 months from date of manufacture under recommended storage
CompatibilityCompatible with most common polyols, isocyanates, and auxiliary catalysts


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