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

WANOL R 2490 Polyether polyols

WANOL R 2490 is a high-functionality polyether polyol from the WANOL R series by Kumiai Chemical, designed for rigid polyurethane foams requiring excellent thermal stability, dimensional consistency, and low viscosity. It delivers superior flow properties and reactivity in insulation and construction applications.
  • wanol r 2490 polyether polyols_287afb62
  • wanol r 2490 polyether polyols_287afb62

Features Of WANOL R 2490 Polyether polyols

  1. Highly consistent hydroxyl functionality for reliable urethane network formation.

  2. Low monol content and narrow molecular weight distribution, supporting excellent foam cell uniformity.

  3. Optimized reactivity profile enabling balanced cream-to-gel-to-rise kinetics in flexible slabstock foams.

  4. Excellent compatibility with common catalysts, surfactants, and isocyanates used in polyurethane systems.

  5. Stable viscosity at ambient storage conditions, facilitating straightforward handling and metering in industrial production.

Typical Applications Of WANOL R 2490 Polyether polyols

  1. Flexible molded polyurethane foams for automotive seating and interior components.

  2. High-resilience (HR) slabstock foams for premium furniture and bedding applications.

  3. Integral skin foams for steering wheels, armrests, and dashboard trim.

  4. Viscoelastic (memory) foam formulations requiring controlled softness and recovery behavior.

Specifications Of WANOL R 2490 Polyether polyols

Chemical TypePropylene oxide/ethylene oxide-capped polyether triol
Product FormLiquid
AppearanceClear, light yellow liquid
Hydroxyl Number (mg KOH/g)28–32
Functionality (avg.)3.0–3.2
Viscosity @ 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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