The material selection platform
Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Polymeg® 650

Technical Datasheet | Supplied by LyondellBasell
Polyol. It is a diol produced through the polymerization of tetrahydrofuran. It is linear in structure with a backbone of repeating tetramethylene units connected by ether linkages. The chain is capped with primary hydroxyl units. At slightly elevated temperature (38° C, 100° F), it liquefy to low-viscosity, water white liquid with a tendency to supercool. The hygroscopic nature of polyol requires limiting exposure to atmospheric moisture. An antioxidant is added to it, to improve the stability of the polyol against thermal and oxidative degradation during normal storage and handling. Recommended for adhesives and sealant applications.
Product Type
  • Diols
  • Polyols
Chemical Composition
Polytetramethylene ether glycol
Physical Form
Solid, Waxy
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