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Molecular Weight 2000 PTMEG Polytetramethylene Ether Glycol

Categories Polyether Polyol
Brand Name: EXCEEDCHEM
Model Number: PTMEG 2000
Certification: ISO9001:2008
Place of Origin: China
MOQ: 1mt
Price: FOB Qingdao usd3.0/kg
Payment Terms: L/C, T/T
Supply Ability: 3000mt/month
Delivery Time: 5-8 work days
Packaging Details: 20kg/drum; 200kg/drum
Molecular weight: 2000
Color: colorless liquid
Raw material: THF
Other MF: available
Packing: 20kg/drum; 200kg/drum
Shelf life: 6months
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Molecular Weight 2000 PTMEG Polytetramethylene Ether Glycol

PTMEG(Polytetramethylene Ether Glycol) 2000

1. Description

PTMEG is a range of specialty high performance polyether diols based on polytetramethylene ether glycol. PTMEG is available in different

molecular weight ranges: PTMEG 250, PTMEG 650, PTMEG 1000, PTMEG 1400, PTMEG 1800, PTMEG 2000, and PTMEG 3000. However, the most common grades of PTMEG used in the polyurethane formulations are PTMEG 1000 and PTMEG 2000. PTMEG is suitable for use in producing high performance thermoset and thermoplastic polyurethane elastomers and is also often used in polyurethane adhesives.


PTMEG is supplied as a waxy white solid, which melts to form a clear, colorless liquid over a wide temperature range near room temperature.


2. Synonyms
Poly(Oxytetramethylene) Glycol, Polytetramethylene Oxide(PTMO), Polybutylene Glycol, Polytetrahydrofuran(PTHF)

3. Properties

ItemPTMEG-250PTMEG-650PTMEG-1000PTMEG-1400PTMEG-1800PTMEG-2000PTMEG-3000
Boiling point250℃ or higher250℃ or higher250℃ or higher250℃ or higher250℃ or higher250℃ or higher250℃ or higher
Flash point260℃ or higher260℃ or higher260℃ or higher260℃ or higher260℃ or higher260℃ or higher260℃ or higher
Melting point-8 ∼ -4℃18 ∼ 20℃25 ~ 27℃27 ~ 29℃29 ~ 30℃29 ~ 31℃31 ~ 33℃
Specific gravity0.991
(40/4℃)
0.984
(40/4℃)
0.981
(40/4℃)
0.978
(40/4℃)
0.976
(40/4℃)
0.974
(40/4℃)
0.970
(40/4℃)

4. Specifications

ItemUnitPTMEG-250PTMEG-650PTMEG-1000PTMEG-1400PTMEG-1800PTMEG-2000PTMEG-3000
Appearance-Transparent liquid at high temperature or white waxy solid at low temperature
Molecular weightg/mol210±25650±251000±251400±501800±502000±503000±100
Hydroxyl No.mgKOH/g477.4 ~
606.5
166.2~
179.5
109.5~
115.1
77.4~
83.1
60.7~
64.1
54.7~
57.5
36.2~
38.7
Acid No.mgKOH/gMax 0.05Max 0.05Max 0.05Max 0.05Max 0.05Max 0.05Max 0.05
Waterwt ppmMax 300Max 150Max 150Max 150Max 150Max 150Max 150
ColorAPHAMax 40Max 40Max 40Max 40Max 40Max 40Max 40
BHTwt ppm220±50220±50220±50220±50220±50220±50220±50

5. Applications

  • Polyurethane Fiber
  • Polyurethane Elastomer
  • Synthetic Leather
  • Paint, Coating Agent
  • Adhesives, Sealants
  • Engineering Plastic


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