Good Quality “Extrusion Process ” - Water Blocking cable filling Jelly – GELD

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Good Quality “Extrusion Process ” - Water Blocking cable filling Jelly – GELD Detail:

In addition, pinholes and local damage plastic sheath may result in moisture from entering the cable core, the cable electrical characteristics deteriorate. It further found that the cable jacket damage is not necessarily the place where the transmission characteristics deteriorate, which gives the cable maintenance and troubleshooting a lot of trouble, so in the manufacturing process of the cable, usually three ways to ensure moisture-proof and waterproof cable that is inflated or filled with petroleum jelly using super-absorbent material, which with petroleum jelly at home with a little bit more common. Petroleum jelly filled cables, fiber optic cable all the gap, among waterproof seal plays the role of the optical fiber from the external environment, extending its life, and no maintenance can maintain long-term stability and reliability of fiber optic transmission.

In the cable industry, cable jelly is used primarily for the production of phone cables with copper wiring, cable jelly is also classified as petrolatum filling compounds

Packing of cable jelly.

Cable jelly should be packed in steel drums or flexi tank to avoid any leakage during transportation.

● The LF-90 has a very good compatibility with most polymer materials, and it has a very good compatibility with steel and aluminum materials.

● Recommended compatibility testing for all polymer materials in contact with the ointment.

● The LF-90 is designed for a cold filling process, avoids voids due to shrinkage of the ointment.

Parameter	Representative Value	Test Method
Appearance	Semitransparent	Visual inspection
color stability@ 130°C / 120hrs	<2.5	ASTM127
density (g/ml)	0.93	ASTM D1475
flashing point (°C)	> 200	ASTM D92
dropping point (°C)	>200	ASTM D 566-93
penetration @ 25°C (dmm)	320-360	ASTM D 217
@ -40°C (dmm)	>120	ASTM D 217
viscosity (Pa.s @ 10 s^-1 25°C)	50	CR Ramp 0-200 s^-1
oil separation @ 80°C / 24 hours (Wt %)	0	FTM 791(321)
volatility@ 80°C / 24 hours (Wt %)	<1.0	FTM 791(321)
oxidation induction time(OIT)@ 190°C (min)	>30	ASTM 3895
acid value (mgKOH/g)	<1.0	ASTMD974-85
Hydrogen evolution amount 80°C/24hours(µl/g)	<0.1
hydroscopicity (min)	<=3	YD/T 839.4-2000

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