They may be soluble or insoluble, and they may produce high or lowviscosities.
它们可能是可溶的或不可溶的,也可以是高或低粘度的。
2
Standard formulas have super high, high, middle and low different viscosities.
标准粘度有超高粘、高粘、中粘、低粘。
3
But they may easily produce lowviscosities and high fluid leak off from the fracture at high temperature, which limit their applications to hydraulic fracturing and fracture-packing treatments.