Electrical & Electronics

Wire & Cable

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Wires and cables used with different voltages and for different purposes, raise different concerns. Those used in architecture, marine and transportation applications, for example, must be fire retardant, so as to resist fire spread; cables must have low reaction to fire so as not to release noxious gases when burning; if they are used outside and exposed to UV radiation, they must have good low temperature flexibility and allow for good strippability to make connections.

As well as additives that provide these properties and more, we have developed a specialized range of polymer masterbatches for use in low voltage cables (PVC, XLPE), medium voltage power cables (HDPE, XLPE, EVA) and telecommunications and instrumental cables (EVA, EBA, LDPE and XLPE).

HIGHLIGHTS

Dielectric Strength

Polymeric compounds used for insulation need high dialectic strength, coupled with low dielectric loss, in addition to being easy to process.

It is also becoming increasingly important that the compound be recyclable.

Low VOC Emissions

As they heat up during operation, electrical appliances can release volatile and semi-volatile organic compounds (VOC) and hazardous chemical substances. These can have an adverse effect on internal air quality, which has for many years been recognized as a major cause of health problems. We are careful to select additives, colorants and base polymers with low VOC content that are suitable for use in electrical appliances.

Superior Mechanical Properties

Whatever polymer you are using, we can formulate our compounds and masterbatches to give you the optimal balance of mechanical properties, such as tensile, flexural, impact, hardness, creep resistance, heat deflection temperature, hysteresis and thermal mechanical.

Low Temperature Flexibility

At very cold temperatures, typical wire and cable materials will lose flexibility or become brittle, causing them to crack or split when bent or flexed. For low temperature applications, you need cable components that will retain flexibility and plasticity at low temperatures. Our range of masterbatches includes products that provide these qualities.

Our Products

Fire Retardancy

Materials used in wires and cables must have a high degree of fire retardancy. Our range of formulations helps to achieve both resistance and a safe reaction to fire.

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Light fastness

Light fastness is important to stop wires and cables from fading over time. Our products are specifically selected to give a high level of color permanence, according to the Blue Wool Scale (BWS).

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High UV

Polymers are susceptible to photo-oxidation, resulting in the deterioration over time of both mechanical properties and surface appearance. Our range of masterbatches eliminate or vastly reduce the effects of UV radiation and photo-oxidation.

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Insulators (resistance to tracking)

The combined effects of insulation damage and fluid contamination can give rise to wet or dry arc tracking. This is especially important in critical applications and bus cables that are installed in the open, and are therefore often vulnerable to humidity. We offer masterbatches that can delay or protect against deterioration, to avoid tracking paths being formed in the insulation layers.

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Strippability

Wire strippability is often taken for granted, but it quickly becomes a major concern if difficulties arise, especially in high-volume production. Giving due consideration to crush resistance, cut-through resistance and insulation hardness, we have developed an extensive range of products that provide a total balance of properties to ensure the optimal system for wire and cable compounds.

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David Helm

Senior Development Technologist

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