Good Quality “Extrusion Process ” - Optical fiber filling Jelly – GELD

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Good Quality “Extrusion Process ” - Optical fiber filling Jelly – GELD Detail:

The non-Newtonian nature allows the jelly to thin out during processing and set after the processing shear forces are removed. Critical parameters that impart the necessary performance are viscosity at various shear rates and the yield stress. Typically the jelly is made using oil and an inorganic or organic thickener. Inorganic thickeners used range from organic clays to silica. These thickeners are suspended in a hydrophobic oil such as a mineral oil or synthetic oil. Additionally, stabilizers may be incorporated to ensure oxidative stability of the mixture.

● XF-400 is compatible with acrylic resin coatings and polymer materials for fiber and cable applications.

● It is recommended that all polymer materials in contact with the paste be tested for compatibility during use.

● The XF-400 is designed for a cold fill process that avoids voids due to paste shrinkage.

Parameter

Representative Value

Test Method

Appearance

Colorless and Semitransparent

Visual inspection

color stability@ 130°C / 120hrs

<2.5

ASTM127

density (g/ml)

0.83

ASTM D1475

flashing point (°C)

> 200

ASTM D92

dropping point (°C)

>200

ASTM D 566-93

penetration @ 25°C (dmm)

440-475

ASTM D 217

@ -40°C (dmm)

>230

ASTM D 217

viscosity (Pa.s @ 10 s-1 25°C)

4.8+/-1.0

CR Ramp 0-200 s-1

(Pa.s @ 200 s-1 25°C)

2.6+/-0.4

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)

<0.3

ASTMD974-85

Hydrogen evolution amount 80°C/24hours(µl/g)

<0.02

water-resistance (20°C/7days)

pass

SH/T0453a


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