BASF PolyTHF 1000 PTMEG1000 Molecular Weight - 广州昊毅新材料科技股份有限公司

Polytetramethylene ether glycol PTMEG

BASF PolyTHF 1000 PTMEG1000 Molecular Weight

                                                            

 

  CAS number  25190-06-1


  Molecular formula C8H18O4


  Chemical name  polytetramethylene ether glycol; polytetrahydrofuran

 

  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 barrels, loose water

 

Test parameters

Numerical value

testing method

molecular weight

975-1025g/mol

Calculated

Hydroxyl content

109.5-115.1mg KOH/g

DIN 53 240

maximum acid

0.05 mg KOH/g

DIN EN ISO 2114

water content

≤150 mg/kg

DIN 51 777

Chroma

≤40 APHA

DIN EN 1557

 

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