Pluronic F77

产品描述

产品规格︰	Pluronic F77, Cloud point (10% aqueous)….. >100°C Color, APHA……………100 max. Water, weight %……………Cast solid – 0.4 max. ---------Micro-Pastille – 0.75 max. pH (2.5% aqueous)…………6.0 – 7.0 Form…………………Micro-Pastille / Cast solid Average molecular weight………6600 Specific gravity, 77°/25°C………1.04 Viscosity, cps at 77°C……………480 Melt point…………………48°C Cloud point (1% aqueous)……100°C Foam height (Ross Miles, 0.1% aqueous at 50°C)…………100 mm Surface tension (0.1% aqueous)……47 dynes/cm at 25°C HLB…………………>24 Solubility in water at 25°C……>10% Wetting, Draves Sink Time (3-gm hook, 0.1% aqueous at 25°C)… >360 seconds
产品优点︰	Pluronic F77 is a difunctional block copolymer surfactant terminating in primary hydroxyl groups. A nonionic surfactant that is 100% active and relatively nontoxic.