Big Discount underground fiber optic cable - Dipped coated water blocking aramid yarn for cable – GELD

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Big Discount underground fiber optic cable - Dipped coated water blocking aramid yarn for cable – GELD Detail:

Water-blocking yarn, a new product – porous fiber water-swelling water –blocking yarn used for the water blocking of new types of dry-type optical cables, is developed and produced by the Company based on new water-blocking technologies in optical and electric cable production at home and abroad. It is characterized by advantages like fast water absorption speed, high expansion ratio, strong tension stress, no acid and base, no compatible effect exerted on cables, thermo stability, chemical stability and non-corrosiveness etc. In the manufacturing process of optical cables, the filling of materials like cable jelly, water-blocking tape and fastening yarn etc. can be omitted.

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Serial No.	ltem		Unit	Model & Specification
Serial No.	ltem		Unit	ZSS -0.5	ZSS-1.0	ZSS-1.5	ZSS-2.0	ZSS-3.0	Other Specification
1	Line Density		m / kg	≥500	≥1000	≥1500	≥2000	≥3000	≥ρ
2	Breaking Force		N	≥300	≥250	≥200	≥150	≥100	≥α∪/ρ①
3	Elongation at Break		%	≥15	≥15	≥15	≥15	≥15	≥15
4	(1st/ min ) Expansion Velocity		ml / g	≥40	≥45	≥50	≥55	≥60	≥45
5	(5min) Expansion Multiple after Water Absorption		ml / g	≥50	≥50	≥55	≥65	≥65	≥50
6	Moisture Content		%	≤9	≤9	≤9	≤9	≤9	≤9
7	Roll Length of Yarn		m / roll	>5000	>5000	>6000	>10000	>1000	>5000
8	Thermal stability	A. Long Term temperature resistance （150℃, 24h) Expansion rate B. Short Term temperature resistance (230℃, 10min) Expansion rate		Not less than initial value	Not less than initial value	Not less than initial value	Not less than initial value	Not less than initial value	Not less than initial value
Note :①when 1,500< ρ<3,000, α is 3×105, when 1,000<ρ<1,500, α is 25×105, when 300< ρ <1.000, α is 15×105, where ρ is nominal linear density expressed in m / kg ;U =1N· m / kg .

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