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

Solvay REGEFLEX 500 Catalyst

Solvay REGEFLEX 500 Catalyst is a high-performance heterogeneous catalyst in Solvay’s REGEFLEX series, designed for selective hydrogenation and hydrodechlorination in fine chemical and pharmaceutical synthesis. It features thermally stable palladium-on-carbon with optimized dispersion and low metal leaching, ensuring consistent activity, extended service life, and compliance with stringent regulatory standards for API manufacturing.
  • solvay regeflex 500 catalyst_ae740491
  • solvay regeflex 500 catalyst_ae740491

Features Of Solvay REGEFLEX 500 Catalyst

  1. Highly selective for polyurethane elastomer and thermoplastic polyurethane (TPU) synthesis.

  2. Thermally stable up to 180 °C, enabling robust processing in extrusion and casting operations.

  3. Low volatility and minimal odor—supports safer handling and improved workplace air quality.

  4. Compatible with aromatic and aliphatic isocyanates, including MDI, TDI, and H12MDI.

  5. Non-amine-based, eliminating post-cure discoloration and enhancing UV stability of final products.

Typical Applications Of Solvay REGEFLEX 500 Catalyst

  1. Cast elastomer systems for industrial rollers, seals, and wear-resistant components.

  2. Thermoplastic polyurethane (TPU) compounds used in automotive interior trim and cable jacketing.

  3. Reaction injection molding (RIM) formulations for lightweight structural parts.

  4. Coating and adhesive systems requiring rapid demold time and low fogging.

  5. 3D printing resins for high-resolution elastomeric prototypes and functional parts.

Specifications Of Solvay REGEFLEX 500 Catalyst

Chemical TypeOrganometallic complex (tin-free, bismuth-based)
Product FormClear, amber liquid
AppearanceHomogeneous free-flowing liquid at room temperature
Density (20 °C)Approx. 1.42–1.46 g/cm³
Viscosity (25 °C)Approx. 250–400 mPa·s
SolubilityMiscible with common polyol blends and reactive diluents
Storage Stability≥12 months at 5–25 °C in sealed original container
Primary ApplicationsPolyurethane elastomers, TPUs, RIM, coatings, adhesives


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