XIV, 6 
King: Philippine Bast-fiber Ropes 
623 
Table XXIX . — Physical tests of rope made from the bast of Artocarpus 
communis. 
From young 
bast.o 
From old 
bast.i> 
Mean diameter: 
Millimeters 6-1 
Inches. - 0-24 
Mean perimeter, or girth: 
Millimeters 19 
Inches - 0.75 
True mean sectional area: 
Square millimeters 28.4 
Square inches — 0.044 
Ultimate tensile strength (dry): 
Mean inkilogi’ams 101 
Maximum in kilograms 121 
Minimum in kilograms 81.1 
Mean in pounds 223 
Maximum in pounds 267 
Minimum in pounds ' 179 
Ultimate tensile strength (wet) : 
Mean in kilograms 96. 6 
Maximum in kilograms 112 
Minimum in kilograms 84. 3 
Mean in pounds 213 
Maximum in pounds 246 
Minimum in pounds - 186 
Mean ultimate tensile strength per unit area (dry) : 
Kilograms per square centimeter.- 356 
Pounds per square inch 5, 070 
Mean ultimate tensile strength per unit area (wet) : 
Kilograms per square centimeter .. j 340 
Pounds per square inch 4, 830 
Mean elongation at instant of rupture: 
Dry— percent— 11 
Wet do 15 
Mean weight per unit length: 
Grams per meter 22.8 
Pounds per foot 0.0153 
Average breaking length: 
Meters 4,450 
Feet 14,600 
Moisture — percent., 9.25 
9.6 
0.38 
30 
1. 18 
60.8 
0. 094 
c 222 
490 
(d) 
( 4 ) 
(d) 
(4) 
(4) 
(4) 
367 
5,220 
(4) 
(4) 
(4) 
(4) 
48.8 
0. 0328 
4,560 
14,900 
14.7 
“ Rope made at Abbualan, Dolores, Abra Province. 
4 Rope made at Sappaac, Abra Province, ba.sed on assumed true area. 
' Only sufficient rope to make one test. 
4 No test made. 
