攀樹用的牽引繩(Throw Line)

攀樹用的牽引繩(Throw Line)

http://www.samsonrope.com/Pages/Product.aspx?ProductID=811

PRODUCT CODE:811

FIBER (CORE/COVER):DYNEEMA®

SPECIFIC GRAVITY:.98

SPLICE:NON SPLICEABLE

Lash-It! yields the highest strength, lightest weight, lowest stretch, and longest wear life available. The Samthane coating adds to the twine's wear life, ensures its knot-holding capability, and gives it a distinctive gray or yellow color.

ELASTIC ELONGATION:

10%	20%	30%
0.40%	0.81%	1.20%

SPECIFICATIONS:

DIAM. (inch)	AVG. STRENGTH (lbs)	DIAM. (mm)	AVG. STRENGTH (kg)
1/16	500	1.75	230
1/16	500	1.75	230
3/32	650	2.2	290
3/32	650	2.2	290

Specifications are for unspliced strengths. 

使用 dyneema 材質做成， dyneema 是作防彈衣的主要材料，特性為輕質，但有最高的強度，1.75mm 繩子，能承受230公斤的重量

https://en.wikipedia.org/wiki/Ultra-high-molecular-weight_polyethylene