Tosaf Color Service

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    Performance-Driven Additive and Color Masterbatches for Wire & Cable

    Wire and cable applications used across different voltages, environments and industries face a wide range of performance demands. These include energy cables, data cables and optical fibers, each requiring reliable performance under demanding conditions. They must provide flame retardancy where safety is critical, withstand UV exposure in outdoor conditions, retain flexibility at low temperatures, deliver reliable electrical properties, and offer clear, consistent color identification for installation and regulatory needs.

    Our solutions for PVC, PE, XLPE, EVA, PBT and additional polymers support stable processing and long-lasting mechanical and environmental performance. They also ensure excellent dispersion and accurate, repeatable results through dedicated additive and color masterbatch formulations across insulation and outer cable layers.

    Precision Color for Demanding Cable Applications

    Accurate and stable color performance is essential for installation clarity, safety identification and compliance across different regions. Our color masterbatches are developed specifically for the conditions and materials used in cable production, ensuring consistency from formulation to final extrusion.

    Color Customization

    • Precise matching aligned with RAL, NSC, Pantone or defined targets
    • High-quality dispersion in pellets, micro-granules and dispersion formats
    • Systems designed for PVC, PE, EVA and other W&C polymers

    Durability & Compliance

    Technical Expertise & Online Optimization

    • Application-focused lab testing for material and line-specific validation
    • Technical support at the customer site to optimize extrusion and application performance

    Dielectric Strength

    Polymeric compounds used for insulation must offer high dielectric strength, low dielectric loss and reliable processing behavior. Our formulations help maintain electrical integrity while supporting smooth extrusion and stable performance across PVC, PE, XLPE and other insulation materials.

    Low VOC Emissions

    As electrical appliances heat up during operation, cables may release volatile and semi-volatile organic compounds (VOC) that affect indoor air quality. We use carefully selected additives, colorants and polymers with reduced VOC content, making our solutions suitable for enclosed environments and sensitive electrical applications.

    Superior Mechanical Properties

    Cables are expected to maintain mechanical stability throughout installation and service life. We develop masterbatches that enhance key properties such as tensile strength, impact resistance, flexural performance, creep resistance, heat deflection and thermal behavior, supporting consistent and durable performance in a wide range of conditions.

    Low Temperature Flexibility

    In cold climates, standard cable materials can become brittle and susceptible to cracking. Our solutions help maintain flexibility and plasticity at low temperatures, ensuring reliable installation and long-term use in outdoor, telecom, automotive and transportation applications.

    Looking to Overcome Your Next W&C Challenge?

    We work closely with manufacturers to help address evolving performance and material requirements across insulation and outer layers. Whether you are facing new processing conditions, durability expectations or color specifications, our integrated additive and color approach is built to support you in achieving consistent, dependable results – and help you make it happen.

    FAQs

    Yes. We maintain an archive of RAL colors commonly used in cable applications and can also develop custom colors to match specific customer requirements. Our solutions are produced in compliance with REACH and RoHS requirements.

    In the U.S., wire color identification is defined by the National Electrical Code (NEC), which follows NEMA color standards for building wire. Voice and data cables commonly follow the Munsell color system. In Europe, cable colors are standardized under CENELEC (HD 308 S2), aligned with IEC guidance. RAL colors are commonly used to define cable colors, although standards such as Munsell and Pantone are also used.

    Color usage depends on the cable type and application, but the most widely used colors include black, blue, brown, green, grey, orange, red, violet, white, and yellow.

    For PVC insulation, the masterbatch carrier should also be PVC to ensure compatibility with the polymer matrix and stable processing, typically with heat stability around 180-200 °C. For peroxide-cured XLPE insulation, LDPE or LLDPE carriers are used, and pigments must remain stable at 250-300 °C without interfering with crosslinking.

    Color masterbatches for wire and cable insulation must maintain high dielectric strength, thermal stability during extrusion, and very low ionic contamination. The industry typically prefers inorganic pigments and highly stable organic pigments that do not introduce conductivity or accelerate polymer degradation in materials such as PVC, PE, or XLPE.

    Cable manufacturers aim to maintain consistent color while keeping dosage low to protect mechanical and electrical properties. In most wire and cable applications, color masterbatch loading is around 1-3%.

    Yes. Our color masterbatches and additives comply with RoHS and REACH requirements. Up-to-date compliance declarations can be provided upon request.

    We offer dedicated masterbatch solutions designed for use in halogen-free systems, including EVA-based masterbatches commonly used in Low Smoke Zero Halogen (LSZH) and Halogen-Free Flame Retardant (HFFR) compounds.

    We offer EVA- and PE-based masterbatches for LSZH/HFFR compounds, as well as PBT-based masterbatches used in buffer tube applications for optical fibers.

    Our Solutions

    FR

    Flame Retardants

    Considering new regulations around the world, our high concentration FR masterbatches including halogen-based and halogen-free solutions, provide self-extinguishing properties and meet market needs.

    Highlights

    • Recyclable

    • Halogen free option

    • Suppressed smoke formation

    • Good process ability

    • Reduced incidence of fire

    ST

    Stripability

    Wire and cable strippability can become a major concern, 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.

    Highlights

    • Crush resistance

    • Cut-through resistance

    • Insulation hardness

    IN

    Insulators (Resistance to Tracking)

    The combined effects of insulation damage and fluid contamination in wire and cable can give rise to wet or dry arc tracking. Our masterbatches can delay or protect against deterioration, to avoid tracking paths being formed in the insulation layers.

    Highlights

    • Delays and protects against deterioration

    • Avoids tracking paths in the insulation layers

    LF

    Light Fastness

    Specifically developed to deliver a high level of color permanence, Tosaf’s light fastness additive prevents colors from fading over time, ensuring a high rating on the Blue Wool Scale (BWS).

    Highlights

    • Prevents fading over time

    • Prevents fading over time

    • High Blue Wool Scale (BWS) rating

    UV

    UV Light Stabilizer Masterbatch

    Long-term exposure to UV radiation compromises the integrity of plastic, making it brittle and prone to cracking or breaking. The masterbatches in Tosaf’s UV light stabilizer range eliminate or vastly reduce the effects of UV radiation and photo-oxidation, offering long-term polymer protection.

    Highlights

    • Prevents premature polymer degrading and failure

    • Minimizes deterioration of mechanical properties

    • Extends high-quality surface appearance