Rope Properties
Cotton Dyneema Kevlar Manila Nylon PolyDac Polyester Polypropylene
Material Spun Yarn Ultra High Molecular Weight Polyethylene Aramid Natural Fiber Multifilament Polypropylene - Polyester Composite Multifilament Multifilament
Common Applications Pet products, biodegradable requirements, decorative. Pulling, stringing line, lifting sling, utility, winch line, specialty. Specialty, paving / curbline. Landscape and decoration, exercise, tug of war, general purpose farm work, camp, craft and hobby Block lines, tow lines, mooring and tie-up lines, dock lines, anchor lines. Scaffold, decorative, general purpose, lifting, exercise. Block lines, arborist, pulling, utility, tie-up lines, rigging General purpose, construction, electrical, barrier, tent and tarpaulin, utility.
Specific Gravity 1.54 0.98 (Floats) 1.44 1.5 to 1.6 1.14 .95 - 1.35. Floats at larger diameters. 1.38 0.91 (Floats)
Stretch Elongation at Breaking Point 3 to 7% 3-4% 2.50% 5 to 13% 15 to 28% 15 to 20% 12 to 14% 20 to 100%
Elastic Recovery 74% at 2%, 45% at 5% Not Rated 100% 75% at 2% 99% at 5%, 89% at 8% Not Rated 99% at 2%, 88% at 5% 98% at 5%, 95% at 10%
Moisture Absorbency 24% to 27% Negligible 4.50% 30% to 35% 4.2% to 8% Negligible 0.40% Negligible
Effect Of Heat Decomposes at 302° Integrity degradation over 150° F. Melts at 290° F Decomposes at 930° F. Loses strength over 180° F. Yellows at 300° F. Melts at 480° F. Melts at 380° F. Melts at 482° F. 50% Tensile at 200° F. Melts at 320° F.
Effect Of Acids Disintegrates in concentrated solutions Unaffected Resists most acids. Some strength lost after long exposure. Disintegrates, very poor. Good resistance. Dissolves in sulfuric acid. Good resistance. Good resistance. Dissolves in sulfuric acid. Good resistance except with oxidizing agents.
Effect Of Alkalis Swelling, but no damage Unaffected Generally good resistance Very poor Inert Moderate Moderate Good resistance
Effect Of Organic Solevants Resistant to common solvents Unaffected. Should not be bleached. Unaffected. Should not be bleached. Poor resistance Resistant. Soluable in phenolic and formic acid. Resistant Resistant. Soluable in phenolic acids. Insoluable in most except chlorinated hydrocarbons.
Effect Of Sunlight Loses strength Loses strength after prolonged exposure. Loses strength after prolonged exposure Loses some strength Loses strength after prolonged exposure. Good resistance to indirect sunlight. Loses strength after prolonged exposure. Good resistance to indirect sunlight.
Effect Of Age Negligible Excellent resistance Excellent resistance Negligible None Negligible None Negligible
Resistance to Mildew Poor unless bleached Not attacked Not attacked Poor Not attacked Not attacked Not attacked Not attacked
Abrasion Resistance Good resistance Excellent resistance Good Good Excellent resistance Excellent resistance Excellent resistance Good resistance
Identification Burns rapidly Floats. Very fine, very slippery fibre. Does not melt. Decomposes at 930° F. Burns like wood, hairy fibers Melts before burning. Forms hard bead. Celery odor. Floats. Melts before burning. Forms hard bead. Melts before burning. Forms hard bead. Pundent odor. Floats. Melts before burning. Forms hard bead. Burning asphalt odor.
