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Indian Central Jute Committee. Technological Research. Memoir No. 10. The Effect of Moisture on the Strength of Jute Yarns
1946
For the work at the higher humidities the conditioning and testing were carried out in the same room availing of p'eriods when during a temporary breakdown of the plant the conditions could only be maintained between So and 85% R. H. For the comparison of the strength of yarns conditioned at (a) Technological Research Laboratories standard R. H. and (b) a considerably lower humidities five io [...] For the latter work the conditioned room could not be used the desired range being outside the capacity of the plant and the testing-machine was transferred to a non-conditioned room. [...] DISCUSSION OF THE RESULTS From the data in Tables I and II it may be concluded that over the range of 55 to 85% the effect on strength of the R. H. used in conditioning is small. [...] The weakening of the intercellular cement on wetting may tend to lower the strength but at the same time the coefficient of interstrand frition may rise in the soaking wet state and there may be better bedding together under tension of the soaking-wet strands. [...] The results in Tables V and VI in which the soaking wet tests are compared with the ordinary tests show that the solvent extracted yarns are only slightly stronger than untreated yarns in the soaking wet condition.
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Indian Central Jute Committee. Technological Research. Memoir No. 10. The Effect of Moisture on the Strength of Jute Yarns, Unset.
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