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BASF BASF PolyTHF 2000 PTMEG2000 molecular weight 25190-06-1

CAS Number : 25190-06-1

Molecular formula : C8H18O4

Chemical name :Polytetramethylene ether glycol; polytetrahydrofuran

Purpose PTMEG is mainly used to produce polyurethane elastomer and polyurethane elastic fiber (domestically called spandex, internationally Called Spandex) and ester ether copolymer elastomer.

Products Packaging :200KG drum, bulk water

Test parameters

Value

Test method

Molecular weight

2000±50g/mol

SMT1701

hydroxyl content

54.7-57.5mg KOH/g

Calculate value

Maximum acid content

0.05 mg KOH/g

SMT1702

Water content

≤150 mg/kg

SMT1002

Chroma

≤40 APHA

SMT0201

Stabilizer,BHT

200-300 ppm

SMT1703

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