Pluronic 25R4
Typical physical properties
Form………………………………………………………………………….…...Liquid
Average molecular weight………………………………………….…………..3600
Specific gravity, 25°C/25°C…………………………………………….………1.048
Viscosity, cps at 25°C…………………………………………………………..1110
Pour point………………………………………………………………….……..25°C
Cloud point (1% aqueous)……………………………………………………...40°C
Foam height (Ross Miles, 0.1% aqueous at 50°C)…………………………..25 mm
Surface tension (0.1% aqueous)……………………………………………....41 dynes/cm at 25°C
HLB………………………………………………………………………….…….7 − 12
Solubility in water at 25°C……………………………………………………....>10%
Wetting, Draves Sink Time(3-gm hook, 0.1% aqueous at 25°C)………..….100 seconds
