Borstar HE6067 is a black high density (HD) 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 HE6067 contains 2.5% well-dispersed carbon black in order to ensure excellent weathering resistance.

Applications
Borstar HE6067 is designed for jacketing of energy and communication cables.
Borstar HE6067 offers substantially reduced shrinkage which helps to maintain low signal attenuation for fibre optic communication cables and low jacket retraction for energy cables in combination with excellent mechanical and barrier properties. Borstar HE6067 offers a balance of properties giving advantages in manufacturing, installation and lifetime performance of communication and energy cables.

Specifications
Borstar HE6067 meets the applicable requirements as below when processed using sound extrusion practice and testing procedure:

• ASTM D 1248 Type III, Class C, Category 3, Grade J4, E8, E9, W8

• ISO 1872-PE, KCHL, 40 D-022

The following cable material standards are met by Borstar HE6067:

• DIN VDE 0207 Type 2YM3

• EN 50290-2-24

• DMP 2, 5, 7, 8, 9, 10, 11, 12, 14, 15

Cables manufactured with Borstar HE6067 using sound extrusion practice normally comply with the following cable product standards:

• IEC 60502, Part 2, Type ST7

• IEC 60708

• IEC 60840, Type ST7

• IEC 60794

• EN 187105

• DIN VDE 0818

• HD 603 S1, DMP 1, 2, 5, 7, 8

• HD 620 S2, Part 1, table 4B, DMP 2, 8-12, 14-15, 17

• HD 632 S2, ST7

Special Features
Borstar HE6067 consists of specially selected components to offer:

• Superior processability

• Excellent environmental stress cracking resistance (ESCR)

• Good abrasion & scratch resistance

• Low water permeability

• Low heat deformation

• Good petroleum-jelly resistance

• Termite resistance

• Outstanding UV resistance

• Very low shrinkage

• Excellent surface hardness