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

Borchers Borchi Kat 315 Bismuth Catalyst

Borchers Borchi Kat 315 is a high-performance bismuth-based catalyst from Borchers’ Borchi Kat series, designed for selective oxidation and esterification reactions. It offers excellent thermal stability, low toxicity vs. lead/tin alternatives, and consistent activity in polyurethane & alkyd resin synthesis. Widely used in eco-friendly coatings and adhesives manufacturing.
  • borchers borchi kat 315 bismuth catalyst_10cf50c7
  • borchers borchi kat 315 bismuth catalyst_10cf50c7

Features Of Borchers Borchi Kat 315 Bismuth Catalyst

  1. Non-toxic bismuth-based alternative to traditional heavy-metal catalysts such as lead or tin compounds.

  2. High catalytic activity in polyurethane foam formation, especially for flexible slabstock and molded foams.

  3. Excellent storage stability with low volatility and minimal odor impact during handling and processing.

  4. Compatible with common amine co-catalysts and widely used polyol/isocyanate systems.

  5. Enables improved cream-to-gel timing control and consistent cell structure development.

Typical Applications Of Borchers Borchi Kat 315 Bismuth Catalyst

  1. Flexible polyurethane foam manufacturing (slabstock and molded).

  2. Automotive interior foam components including seat cushions and headrests.

  3. Bedding and furniture foam production requiring low-VOC and regulatory-compliant formulations.

  4. Coated fabrics and integral skin foams where surface cure and demold time are critical.

  5. Water-blown and low-isocyanate index foam systems seeking enhanced reactivity balance.

Specifications Of Borchers Borchi Kat 315 Bismuth Catalyst

Chemical TypeBismuth carboxylate complex
Product FormClear to pale yellow liquid
AppearanceHomogeneous, free-flowing liquid
Primary ApplicationsPolyurethane flexible foam catalysis
Key FeaturesHeavy-metal-free, REACH-compliant, low volatility
BenefitsReduced environmental impact, improved worker safety, stable shelf life
Density (20 °C)Approx. 1.25–1.30 g/cm³
Storage Temperature5–30 °C, protect from freezing and direct sunlight


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