At each time the tubes were weighed and subtracted from the original weight of the tube with hydrogel (time 0) to obtain the wet weight of the hydrogel. For each condition n = 3 was used. The hydrogel weight at time 0 was considered 100% of the hydrogel weight. The degradation of...
YG11C K40 14.4 2700 86.5 Largely for the inserts and buttons of percussion bits and tricone bits to cut medium hard, hard and very hard formations. YG15 K40 14 2800 87.5 For fabricating drawing dies of steel tubesand rods under high compressibility ratio;punching,stamping,forgin...