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Elastomer PTMEG 1000 Polytetramethylene Ether Glycol

Categories Polyether Polyol
Brand Name: EXCEEDCHEM
Model Number: PTMEG 1000
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: 1000
CAS: 25190-06-1
Other name: PTMG
Density: 0.887g/cm3
Flash point: 58.1°C
Formula: H·(C4H8O)n·OH
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Elastomer PTMEG 1000 Polytetramethylene Ether Glycol

PTMEG((Polytetramethylene Ether Glycol)) 1000

1. Description

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. We have a standard range of PTMEG products such as 250, 650, 1000, 1800, 2000, 3000 etc. in terms of molecular weight, whilst a customized product between 250 and 3000 can also possibly be produced based on a special order.



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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