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Colorless Liquid 25190 06 1 PTMEG 250 Polyether Polyol

Colorless Liquid 25190 06 1 PTMEG 250 Polyether Polyol

Brand Name EXCEEDCHEM
Model Number PTMEG
Certification ISO9001:2008
Place of Origin China
Minimum Order Quantity 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 250
Color colorless liquid
Application PU elastomer etc
CAS 25190-06-1
Molecular structure HO[CH2CH2CH2CH2O]H
Raw material THF
Detailed Product Description

 

PTMEG((Polytetramethylene Ether Glycol)) 250

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

 

 

 

 

 

 

 

 

Product Tags: PTMEG 250 Polyether Polyol   25190 06 1 Polyether Polyol  
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