PTMEG (Polytetramethylene Ether Glycol)
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물성항목 Unit PTMEG
250		 PTMEG
650		 PTMEG
1000		 PTMEG
1400		 PTMEG
1800		 PTMEG
2000		 PTMEG
3000
외관
Appearance		 - Transparent liquid or white waxy solid at low temperature
저온에서 왁스상 흰 고체, 고온에서 무색 액체
분자량
Molecular
Weight		 g/mol 210±25 650±25 1000±25 1400±50 1800±50 2000±50 3000±100
수산화기
Hydroxyl No.		 mgKOH/g 477.4 ~
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
산도
Acid No.		 mgKOH/g Max 0.05 Max 0.05 Max 0.05 Max 0.05 Max 0.05 Max 0.05 Max 0.05
수분
Water		 wt ppm Max 300 Max 150 Max 150 Max 150 Max 150 Max 150 Max 150
색도
Color		 APHA Max 40 Max 40 Max 40 Max 40 Max 40 Max 40 Max 40
산화방지제
BHT		 wt ppm 220±50 220±50 220±50 220±50 220±50 220±50 220±50