Polytetramethylene ether glycol - PTMEG

Polytetramethylene ether glycol (PTMEG) is a type of polyether polyol, a class of polymers with multiple hydroxyl groups. It's a key ingredient in the production of polyurethane elastomers, which are used in a wide range of applications.

Product Details

Formula:

(C4H8O)n

CAS Number:

25190-06-1

Also Known As:

Polytetrahydrofuran; Poly(tetramethylene ether) glycol; Bis(2-propylheptyl) benzene-1,2-dicarboxylate; Bis(2-propylheptyl) phthalate

Structure:

1637_Main_PTMEG.png

applications:

PTMEG is used in many applications, including: Polyurethane elastomers, Prepolymers, Coatings, Adhesives, Cast polyurethane resins, TPUs, Protective films, and Spandex fibers.

Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

White to colorless waxy solid

Density, g/cm3

0.974

Melting point, °C

25-33

Molecular weight, g/mol

Variable

Odor

Very faint odor

Purity, %

99

Refractive index, n20/D

1.465

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