HEXPOL TPE launch high-performance cable compounds

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HEXPOL TPE launch high-performance cable compounds

With increasing demands on power and telecommunications infrastructure, international polymer compounding group, HEXPOL TPE, has developed new materials for cable sheathing applications. The compounds are designed to meet the highest levels of durability, performance and human safety.

The range, which is marketed under the brand DRYFLEX® CABLE, includes grades based on different polymer chemistries, including EVA, TPE and TPV technologies. This brings one of the widest ranges of properties and customisation possibilities to the market and gives cable manufacturers the flexibility to select the best solution for their application.

The Dryflex Cable range includes Low Smoke Halogen Free (LSHF) or Low Smoke Zero Halogen (LSZH) flame retardant compounds. They are designed to offer enhanced flame retardant properties with low smoke and low toxicity. The compounds are RoHS, SVHC and REACH compliant and halogen-free according to IEC 60754 Part 1/2.

Speaking of the development, Mark Clayton, managing director at HEXPOL TPE’s UK site, commented “The challenge we set ourselves was to develop materials that exceed global standards for reliability and durability, combined with the lowest toxicity and smoke levels for human safety. With our new grades we offer market leading performance with high levels of customisation and easy processing”.

One example compound for low voltage power or data cable applications is Dryflex Cable 52180 N. While Dryflex Cable 51898 N was developed for demanding applications requiring increased thermal and fluid resistance. Their properties can be seen in the tables below:

Dryflex Cable 52180 N

PROPERTY
UNITS
TYPICAL VALUE
TEST METHOD
Hardness
Shore D
52
ISO 868 (after 15 seconds)
LOI
%
42
ISO 4589-2
Halogen Content
< % Halogen Level Requirements
Exceeds Minimum Requirements
IEC 60754 Part 1/2
Volume Resistivity Permittivity
Ohms-cm
5.99 x 1014
4.44
ASTM D257
ASTM 150-81
Tensile Strength
MPa
10.7
ISO 37
Elongation at break
%
135
ISO 37

Dryflex Cable 51898 N

PROPERTY
UNITS
TYPICAL VALUE
TEST METHOD
Hardness
Shore A
92
ISO 868 (after 15 seconds)
Halogen Content
< % Halogen Level Requirements
Exceeds Minimum Requirements
IEC 60754 Part 1/2
Tensile Strength
Extruded Tape
MPa
10.5
ISO 37
Elongation at break
Extruded Tape
%
250
ISO 37
HEAT AGEING 7 DAYS AT 125°C
Hardness Change
Shore A
+1
ISO 868 (after 15 seconds)
Tensile Change
%
+29
ISO 37
Elongation Change
%
-27
ISO 37
OIL RESISTANCE: IRM 902 OIL, 7 DAYS AT 90°C
Hardness Change
Shore A
-12
ISO 868 (after 15 seconds)
Tensile Change
%
-5
ISO 37
Elongation Change
%
-29
ISO 37

PROCESSABILITY

The Dryflex Cable compounds, as with PVC, can be processed using standard extrusion equipment. Compounds are available ready to use, with no post vulcanisation required, helping to minimise steps and improve productivity. The compounds are fully recyclable and any production waste can be reprocessed.

KEY FEATURES:

  • LSZH Low Smoke Zero Halogen / LSHF Low Smoke Halogen Free
  • RoHS, SVHC and REACH compliant    
  • Superior ageing performance    
  • Easy processing, with no post vulcanisation required    
  • Designed to meet various cable standards, such as BS 7655 LTS 3    
  • Typical LOI values between 28 and 42 %

TYPICAL APPLICATIONS

Dryflex Cable compounds provide added security in areas of high human occupancy, where people need to be evacuated quickly and safely. They can also be used in restricted areas containing expensive or sensitive equipment. These could include high-rise buildings, hospitals, airport, train and transport hubs, communication exchanges, data centres, shopping centres, power generation facilities and offshore platforms.

They offer excellent thermomechanical properties making them suitable for both telecommunication and electric cables. Typical applications include low voltage, data, insulation, jacketing and bedding.

ENDS

About HEXPOL TPE

HEXPOL TPE is a global polymer compounding group specialising in Thermoplastic Elastomers (TPE) for key industries such as consumer, medical, packaging, automotive and construction. Driven by a core belief in being the easiest company to do business with, HEXPOL TPE is dedicated to delivering a trusted combination of application know-how, R&D, production capabilities and comprehensive technical services. As part of the HEXPOL group of companies, we share an extensive global footprint covering EU, Asia-Pacific and North America, enabling us to support our customers worldwide.

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Contact our experts to learn more

Jill Bradford

Group Marketing & Communications Manager for HEXPOL TPE

jill.bradford@hexpolTPE.com
+44 161 654 2369

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