XIV, 6 King: Philippine Bast-fiber Ropes 
593 
TABLE XIII.—Physical tests of rope made from the bast of Pterocymbium 
tinctorium. 
{Rope made at Disdis, Benguet Subprovince. ] 
Mean diameter: 
Millimeters 
Inches 
Mean perimeter, or girth: 
Millimeters 
Inches 
True mean sectional area: 
Square millimeters 
Square inches 
Ultimate tensile strength (dry): 
Mean in kilograms 
Maximum in kilograms 
Minimum in kilograms 
Mean in pounds 
Maximum in pounds 
Minimum in pounds 
Ultimate tensile strength (wet): 
Mean in kilograms 
Maximum in kilograms 
Minimum in kilograms 
Mean in pounds 
Maximum in pounds 
Minimum in pounds 
13.4 
0.53 
42 
1.66 
114.0 
0.177 
435 
531 
322 
959 
1,170 
710 
496 
587 
424 
1,093 
1,295 
935 
Mean ultimate tensile strength per unit area (dry): 
Kilograms per square centimeter 
Pounds per square inch 
381 
5,420 
Mean ultimate tensile strength per unit area (wet) : 
Kilograms per square centimetér 
Pounds per square inch 
Mean elongation at instant of rupture: 
Dry (per cent) 
Wet (per cent) 
Mean weight per unit length: 
Grams per meter 
Pounds per foot 
Average breaking length: 
Meters 
Feet 
Moisture (per cent) 
STERCULIA CRASSIRAMEA Merr. Tapinag. 
435 
6,180 
10 
12 
95.4 
0.0642 
4,560 
14,900 
11.87 
Local names: Adupong (Benguet) ; balinad (Palawan, Ticao); banikad 
(Mindoro) ; banilad (Guimaras, Mindoro, Rizal); bannakalau or baniaka- 
law (Abra, Benguet, Ilocos Norte, Ilocos Sur); kalukalumpéfigan (Rizal) ; 
malakapai, malapapaya, tapinag (Bataan); palak-palak (Bulacan). 
A large deciduous tree with broadly ovate, cordate, entire, 
densely pubescent leaves; ample panicles of small flowers; and 
1661578 
