
Products > Polyether Polyols & PU Building Blocks
Polyether Polyols & PU Building Blocks
Rigid and flexible polyether polyols, isocyanates, specialty EO/PO polyethers, and MS resins for manufacturers who formulate in-house.
Catalog Downloads
Download the current English MENGWEI catalog files for this product category.
Who Uses This
Polyurethane system formulators
Base raw materials for proprietary PU systems.
Foam manufacturers
Flexible and rigid foam polyols for production lines.
MS sealant producers
Silane-modified polymer feedstock.
Adhesive formulators
Building blocks for hybrid adhesives and sealants.
R&D labs
Samples and formulation support for development.
Products in This Family

Rigid Polyether Polyols
Sucrose-, pentaerythritol-, and glycerol-based polyols for rigid PU formulation.
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Flexible Polyether Polyols
Slabstock, HR, and POP graft polyols for flexible foam production.
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Specialty EO/PO Polyethers
Functional EO/PO polyethers for surfactants, defoaming, lubricity, and specialty chemistry.
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Polymeric MDI & TDI (Companion Products)
Companion isocyanate sourcing for PU system customers requiring coordinated supply.
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MS Resins / Silane-Modified Polymers
Dimethoxy- and trimethoxy-terminated MS polymers for sealants, adhesives, and elastic coatings.
View DetailsTechnical Specifications
| Hydroxyl value | 28-650 mg KOH/g |
|---|---|
| Molecular weight | 400-12,000 |
| Functionality | 2-8 |
| Viscosity | 200-30,000 mPa·s |
| Water content | ≤ 0.1% |
| Color (APHA) | ≤ 100 |
Quality Standards & Benchmarking
Our Polyether Polyols & PU Building Blocks is benchmarked to Wanhua / Covestro / BASF / Wacker / Kaneka specifications, with comparable technical performance and a more cost-effective overall package. Selected products available with REACH and CE documentation.
Discuss Your Polyether Polyols & PU Building Blocks Requirements
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