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Page 2315-B

Sisal rope applications & uses.

For ordinary rope usage, hoisting, etc., Three strand rope should do the work. The nature of the work should decide which grade should be used. Special ropes are made for special purposes. For example, for power transmission, manila transmission rope should be used. For piledriver rope, hammer line should be used. For well drilling, diamond manila drilling cable should be used.

Wherever life and limb are at stake, only the best grade of manila rope is recommended. The AMCO treated rot-proof or the untreated Diamond manila.

Four strand rope, with or without center core (the latter is recommended) can be furnished in any grade manila or  sisal at one cent extra.

Sizal fibers extracted from the sword shaped leaves of the Hennequen plant. A species of cactus grown principally in Yucatán. A calcareous and rocky character of the soil, combined with the climatic conditions, is particularly adapted to its growth. The plants are placed about 4 feet apart in rows, each row being about 12 feet from the other.

Sisal fibers also grow in other countries. Principal among these is the island of Java, in the Dutch East Indies. Sizal fiber produced on that island is recognized as the finest in the world. At  5 to 6 years years of age the proper maturity for cutting the leaves is reached. If properly cared for, the sisal plant will continue to produce leaves for about 14 years in rocky soil and eight years in fertile soil.

The fiber when extracted is white in color with sometimes a creamy or greenish tinge. It varies from 2 to 4 feet in length, yielding from 50 to 75 pounds per thousand leaves.

In strength sisal is about 3/4 the strength of the better grades of manila.

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