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

Puranol F 3500 Polyether polyols

Puranol F 3500 is a high-functionality polyether polyol from BASF’s Puranol F series, designed for rigid polyurethane foams. It delivers excellent thermal insulation, dimensional stability, and flame-retardant compatibility. Widely used in construction insulation, refrigeration panels, and spray foam systems, it ensures consistent reactivity and low viscosity for efficient processing.
  • puranol f 3500 polyether polyols_c3266c1a
  • puranol f 3500 polyether polyols_c3266c1a

Features Of Puranol F 3500 Polyether polyols

  1. High molecular weight, trifunctional polyether polyol offering excellent mechanical strength and load-bearing capacity in flexible foams.

  2. Low viscosity for improved processability, enhanced mixing efficiency, and reduced energy consumption during foam production.

  3. Consistent hydroxyl value (OHV) and narrow molecular weight distribution ensure batch-to-batch reproducibility and formulation stability.

  4. Optimized for compatibility with common TDI- and MDI-based isocyanates, supporting robust reactivity and cell structure control.

  5. Free from added monofunctional initiators or volatile organic compounds (VOCs), supporting low-emission foam manufacturing.

Typical Applications Of Puranol F 3500 Polyether polyols

  1. High-resilience (HR) flexible slabstock foams for automotive seating and interior trim.

  2. Density-controlled molded flexible foams used in furniture cushions and mattress cores.

  3. Industrial cushioning systems requiring durability, fatigue resistance, and long-term compression set performance.

  4. Specialty packaging foams for sensitive electronics and medical equipment transport.

Specifications Of Puranol F 3500 Polyether polyols

Chemical TypeTrifunctional propylene oxide/ethylene oxide-capped polyether polyol
Product FormLiquid
AppearanceClear, pale yellow, homogeneous liquid
Hydroxyl Value (mg KOH/g)33–37
Average Molecular Weight (g/mol)~4,800
Viscosity at 25°C (mPa·s)1,800–2,400
Water Content (wt %)≤ 0.10
pH (10% aqueous solution)5.5–7.0


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