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

INOVOL F 5631 Polyether polyols

INOVOL F 5631 is a high-functionality polyether polyol from the INOVOL F series, designed for rigid PU foams requiring excellent thermal stability, low viscosity, and superior dimensional consistency. It delivers balanced reactivity, low emission profile, and enhanced flame retardancy support—ideal for insulation panels, spray foam, and construction applications demanding performance and regulatory compliance.
  • inovol f 5631 polyether polyols_560446d6
  • inovol f 5631 polyether polyols_560446d6

Features Of INOVOL F 5631 Polyether polyols

  1. Low-viscosity, trifunctional propylene oxide–initiated polyether polyol for improved processability in reactive systems.

  2. Consistent hydroxyl number (OH#) and narrow molecular weight distribution ensure reproducible foam morphology and mechanical performance.

  3. Excellent compatibility with common isocyanates, catalysts, and blowing agents used in flexible polyurethane formulations.

  4. Low residual monomer and volatile content, supporting compliance with stringent VOC and emissions requirements.

  5. Stable storage characteristics with extended shelf life under recommended conditions (dry, cool, nitrogen-blanketed).

Typical Applications Of INOVOL F 5631 Polyether polyols

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

  2. High-resilience (HR) molded foams used in automotive seating and premium upholstery.

  3. Integral skin foams for automotive armrests, headrests, and dashboard components.

  4. Rebonded foam binders requiring good green strength and low odor profile.

  5. Water-blown or low-GWP co-blown foam systems targeting sustainability benchmarks.

Specifications Of INOVOL F 5631 Polyether polyols

Chemical TypeTrifunctional polyether polyol (propylene oxide–initiated)
Product FormLiquid
AppearanceClear, light amber, homogeneous liquid
Hydroxyl Number (OH#)56 ± 2 mg KOH/g
Viscosity (25°C)800–1,200 cP
Water Content≤ 0.05 wt%
pH (10% aqueous solution)5.5–7.0
Primary ApplicationsFlexible polyurethane foams (slabstock, molded, integral skin)


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