Description

Poly[oxy(methyl-1,2-ethanediyl)], α,α',α''- 1,2,6-hexanetriyltris[ω-hydroxy-, polymer with α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[4-isocyanatobenzene] is a specialized polyurethane prepolymer or polyol derivative, known for its reactive hydroxyl functionality and tailored polymer backbone. This engineered material is critical for formulators seeking to impart specific flexibility, adhesion, and cross-linking properties into high-performance polyurethane systems. It is primarily utilized by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced composite materials.

Application

• High-Performance Polyurethane Coatings: Serves as a key resin component in durable industrial, automotive, and protective coatings, enhancing flexibility and chemical resistance.
• Adhesives and Sealants: Used in formulating structural and elastic adhesives for construction, automotive assembly, and aerospace applications.
• Elastomer Production: Acts as a polyol component in the manufacture of cast, thermoplastic, or millable polyurethane elastomers for gaskets, wheels, and seals.
• Composite Binders: Functions as a reactive binder in fiber-reinforced plastics (FRP) and other composite materials.
• Flexible Foams: Can be employed in the formulation of specialized flexible polyurethane foams requiring specific resilience and load-bearing properties.
• Potting and Encapsulation Compounds: Used in electronics and electrical applications to provide protective, insulating, and shock-absorbing encapsulation.

Basic Information

Product Name	Poly[oxy(methyl-1,2-ethanediyl)], α,α',α''- 1,2,6-hexanetriyltris[ω-hydroxy-, polymer with α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)] and 1,1'-methylenebis[4-isocyanatobenzene]
CAS No.	68214-39-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyoxypropylene triol, polymer with polyoxypropylene glycol and methylenediphenyl diisocyanate; Polypropylene glycol triol-MDI adduct; Polyurethane polyol prepolymer based on PPG triol and MDI; α,α',α''-1,2,6-Hexanetriyltris[ω-hydroxypoly(oxypropylene)], polymer with α-hydro-ω-hydroxypoly(oxypropylene) and methylenebis(4-phenyl isocyanate); MDI-terminated polypropylene oxide polyol; Reactive polyurethane polyol; Hydroxyl-functional polyurethane prepolymer; CAS 68214-39-1
EINECS	Contact for details

Quality Control

Our production of this polyurethane polyol adheres to strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent hydroxyl value, viscosity, and moisture content, meeting the precise requirements of downstream formulations. Certificates of Analysis (COA) detailing key specifications are provided with every shipment to ensure traceability and quality assurance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Ensure containers are sealed immediately after use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (cP @ 25°C)	Contact for details
Moisture Content (%)	≤ 0.05
Color (Gardner)	≤ 2
Specific Gravity (25°C)	Contact for details
Isocyanate Content (NCO %)	≤ 0.5

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.