BDMAEE

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