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Borealis Borstar® LE8707 Black Bimodal LLDPE Jacketing Compound for Energy and Communication Cables

Category Polymer , Thermoplastic , Polyethylene (PE) , LLDPE
Manufacturer Borealis
Trade Name Borstar®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Borealis Borstar® LE8707 Black Bimodal LLDPE Jacketing Compound for Energy and Communication Cables.pdf
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Material Notes:
Borstar® LE8707 is a black linear low density (LLD) jacketing compound, which is produced with the Borealis proprietary Borstar® bimodal process technology. Borstar® technology allows the manufacturing of polymers outside the traditional MFR and density range making it possible to optimize processability, reduce shrinkage and yet provide excellent physical toughness and environmental stress crack resistance (ESCR). Borstar® LE8707 contains 2.5% well-dispersed carbon black in order to ensure excellent weathering resistance. Applications: Borstar® LE8707 is designed for jacket for energy and communication cables. The abrasion resistance combined with low coefficient of friction makes it ideally suitable for the jacketing of energy and communication cables. Borstar® LE8707 offers a balance of properties giving advantages in manufacturing, installation and lifetime performance of communication and energy cables. Borstar® LE8707 meets the applicable requirements as below when processed using sound extrusion practice and testing procedure: ASTM D 1248 Type I, Class C, Category 4, Grade E4, E5, J3, W2-4; BS 6234: Type 03C, TS2; EN 50290-2-24; HD 620 S1, Part 1, table 4B, DMP 12, 14, 17; IEC 60502, Type ST3; IEC 60502, Type ST7; IEC 60708; IEC 60840, Type ST3; IEC 60840, Type ST7; ISO 1872-PE, KCHL, 18-D006; and NF C32-060.Information provided by Borealis AG
Physical Properties Metric English Comments
Density 0.923 g/cc
0.0333 lb/in³
base resin; ISO 1872-2/ISO 1183
0.936 g/cc
0.0338 lb/in³
compound; ISO 1872-2/ISO 1183
Environmental Stress Crack Resistance >= 5.0 hour

@Temperature 50.0 °C
>= 5.0 hour

@Temperature 122 °F
Igepal 10%, F0; IEC 60811-4-1/B
Melt Flow 0.85 g/10 min

@Load 2.16 kg,
Temperature 190 °C
0.85 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ISO 1133
Mechanical Properties Metric English Comments
Hardness, Shore D 53
53
3s; DIN 53505
54
54
1s; ISO 868
Tensile Strength at Break 30.0 MPa
4350 psi
50mm/min; ISO 527
Elongation at Break 800 %
800 %
50mm/min; ISO 527
Flexural Modulus 0.400 GPa
58.0 ksi
ISO 178
Thermal Properties Metric English Comments
Brittleness Temperature <= -76.0 °C
<= -105 °F
ASTM D746
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+6 ohm-cm
1.00e+6 ohm-cm
DC; IEC 60093
Dielectric Strength <= 20.0 kV/mm
<= 508 kV/in
IEC 60243
Processing Properties Metric English Comments
Processing Temperature 90.0 °C
194 °F
preheating temperature
90.0 °C
194 °F
drying temperature
150 °C
302 °F
feed section
Middle Barrel Temperature 170 °C
338 °F
metering section
Head Temperature 190 °C
374 °F
die head
Descriptive Properties Value Comments
High Temperature Pressure Test, % < 15%
115°C; 6 hours; IEC 60811-3-1
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