BASF PolyTHF 250 PTMEG250 Molecular Weight - 广州昊毅新材料科技股份有限公司

Polytetramethylene ether glycol PTMEG

BASF PolyTHF 250 PTMEG250 Molecular Weight

                                                             

 

  Chemical name  :polytetramethylene ether glycol; polytetrahydrofuran


  CAS Number : 25190-06-1


  Molecular formula  : C8H18O4

 

  Uses  :PTMEG is mainly used in the production of polyurethane elastomers, polyurethane elastic fibers (known as spandex in domestic, Spandex in international) and ester ether copolymer elastomers.

 

  Product packaging  :200KG, barrel

 

Test parameters

Numerical value

method

molecular weight

225-275 g/mol

Calculated

Hydroxyl content

408.0-498.7 mgKOH/g

NIR Methode

maximum acid

0.05 mgKOH/g

DIN EN ISO 2114

water content

≤150 mg/kg

DIN 51 777

Chroma

≤40 APHA

DIN EN 1557

 

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