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Korea PTG PTMEG-250

Korea PTG PTMEG-250 consistently produces high quality PTMEG products in continuous process. As a compound of THF, it is transparent liquid with viscosity at a temperature higher than ambient temperature. The PTMEG is mainly used as a raw material of polyurethane, elastomer, polyester elastomer and spandex fabric.

Chemical Name: Polytetramethylene Ether Glycol

CAS Number: 25190-06-1

Chemical Family: Polyols, Polyols (Polyether)

Molecular Weight: 185.0 - 235.0 g/mol

Synonyms: Polyfurite, Polytetrahydrofuran, Poly(butylene oxide), Poly(n-butylene oxide), Poly(oxy-1,4-butanediyl), Poly(oxy-1,4-butanediyl), α-hydro-ω-hydroxy-, Poly(oxy-1,4-butylene) glycol, Poly(oxybutylene) glycol, Poly(oxytetramethylene), Poly(oxytetramethylene) glycol, Poly(oxytetramethylene)diol, Poly(tetrahydrofuran), SRU, Poly(tetrahydrofurandiol), Poly(tetramethylene ether), Poly(tetramethylene ether) glycol, Poly(tetramethylene ether)diol, Poly(tetramethylene glycol), Poly(tetramethylene oxide), Poly(tetramethylene oxide) glycol, Polybutylene glycol, Polyfurit, Polytetramethylene glycol, Polytetramethylene glycol ether with butanediol, Polytetramethylene oxide diol

Safety Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

CAS No.
25190-06-1
EC No.
607-637-9
Chemical Formula

HO[(CH2)4 -O]nH

Structural Formula

Korea PTG PTMEG-250 - Structural Formula

Applications & Uses

Application
  • Polyurethane Fiber - A spandex material of a bathing suit, underwear and stockings
  • Polyurethane Elastomer - A raw material of wheels, rollers, hoses, tubes and cables of vehicle parts
  • Synthetic Leather - A raw material of shoes, bags, clothes and purses
  • Paint, Coating Agent - A raw material of paints and coating agents
  • Adhesives, Sealants - A raw material of adhesives and sealants
  • Engineering Plastic - A raw material for engineering plastic  with excellent low-temperature safety

Properties

Appearance
Transparent liquid at high temperature or white waxy solid at low temperature
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight210±25g/mol
Boiling Pointmin. 250°C
Hydroxyl No.477.4 - 606.5mgKOH/g
Flash Pointmin. 260°C
Melting Point-4.0°C
Acid No.max. 0.05mgKOH/g
Specific Gravity (40/4°C)0.991
Watermax. 300wt ppm
Colormax. 40APHA
BHT220±50wt ppm