| 產品規格︰ | 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 |
| 產品優點︰ | Pluronic F77 is a difunctional block copolymer surfactant terminating in primary hydroxyl groups. A nonionic surfactant that is 100% active and relatively nontoxic. |
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