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

Puranol F 523 Polyether polyols

Puranol® F 523 is a BASF-branded polyether polyol from the Puranol F series, specifically designed for flexible slabstock foam applications. It offers excellent flow properties, low viscosity, and consistent reactivity, enabling high-resilience foams with superior comfort and durability. Widely used in mattress and furniture manufacturing, it ensures reliable processing and enhanced cell structure uniformity.
  • puranol f 523 polyether polyols_a4323ea1
  • puranol f 523 polyether polyols_a4323ea1

Features Of Puranol F 523 Polyether polyols

  1. Highly consistent molecular weight distribution for improved processing stability and foam uniformity.

  2. Low volatility and minimal odor, supporting safer handling and compliance with indoor air quality standards.

  3. Excellent hydrolytic stability, ensuring long-term performance in humid or demanding service environments.

  4. Optimized reactivity profile for balanced cream-to-gel-to-rise timing in flexible slabstock foam production.

  5. Compatible with standard amine catalysts and silicone surfactants used in conventional polyurethane systems.

Typical Applications Of Puranol F 523 Polyether polyols

  1. Flexible slabstock polyurethane foams for bedding and upholstered furniture.

  2. High-resilience (HR) foam formulations requiring enhanced comfort and durability.

  3. Automotive seating foams meeting OEM specifications for density, support, and aging resistance.

  4. Carpet underlay and acoustic damping layers requiring consistent compression set performance.

Specifications Of Puranol F 523 Polyether polyols

Chemical TypePropylene oxide/ethylene oxide-capped triol-based polyether polyol
Product FormLiquid
AppearanceClear to pale yellow, homogeneous liquid
Hydroxyl Number (mg KOH/g)52–56
Viscosity at 25°C (mPa·s)2,800–3,400
Water Content (wt%)≤ 0.10
pH (10% aqueous solution)5.5–7.0
Primary ApplicationsFlexible polyurethane foam (slabstock & HR)


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