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

Puranol L 4800 Polyether polyols

Puranol L 4800 is a BASF-branded L-series polyether polyol, specifically designed for flexible slabstock and molded polyurethane foams. With low viscosity, excellent reactivity, and consistent hydroxyl functionality (~48 mg KOH/g), it enables high-resiliency, low-density foam production. Widely used in automotive seating, furniture, and bedding applications for superior comfort and processing efficiency.
  • puranol l 4800 polyether polyols_54f08a38
  • puranol l 4800 polyether polyols_54f08a38

Features Of Puranol L 4800 Polyether polyols

  1. Low-viscosity linear polyether triol with excellent processability in high-speed foam and casting operations.

  2. Consistent molecular weight distribution ensures reproducible reactivity and foam cell structure.

  3. High primary hydroxyl content enables rapid cure kinetics and improved early demold strength.

  4. Low monol content enhances crosslink density and long-term dimensional stability of final elastomers.

  5. Compatible with common aromatic and aliphatic isocyanates, including MDI, TDI, and HDI-based systems.

Typical Applications Of Puranol L 4800 Polyether polyols

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

  2. High-resilience (HR) slabstock foams used in premium mattresses and furniture cushioning.

  3. Microcellular elastomers for gaskets, seals, and vibration-damping components.

  4. Rigid insulation foams requiring balanced flow and thermal performance in appliance panels.

  5. Coated fabrics and laminated composites where low fogging and low VOC emissions are critical.

Specifications Of Puranol L 4800 Polyether polyols

Chemical TypeLinear polyether triol (propylene oxide/ethylene oxide capped)
Product FormLiquid
AppearanceClear, pale yellow, homogeneous liquid
Hydroxyl Number (mg KOH/g)475–495
Viscosity at 25°C (mPa·s)1,800–2,400
Functionality~3.0
Water Content (wt %)≤ 0.05
pH (10% aqueous solution)5.5–7.0


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