T5/T6 ETFE
DELTAPLAST masterbatches for T5 and T6 automotive cables are designed for insulation applications in extreme conditions, where very high thermal resistance, colour stability and reliable performance in high- temperature environments are required.
Fluoropolymer systems such as ETFE and FEP are widely used in advanced automotive applications due to their ability to withstand extreme temperatures, chemical exposure and excellent dielectric performance.
In these materials, it is essential that the masterbatch does not affect polymer behaviour during processing or its thermal performance. DELTAPLAST solutions ensure controlled pigment dispersion and stable performance under high-temperature conditions, meeting the requirements of T5 and T6 thermal classes according to ISO 6722
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DELTAPLAST ETFE and FEP masterbatches have been specifically developed for automotive applications requiring extreme thermal performance.
Key features include:
- Colour stability at extreme temperatures: Formulations are designed to maintain colour even in applications exposed to very high temperatures.
- Compatibility with ETFE and FEP: Masterbatches are adapted to fluoropolymer processing requirements, ensuring stable behaviour during extrusion.
- Controlled dispersion and excellent dilution: Provide uniform pigment distribution, reducing defects and improving cable quality, including fewer failures in tests such as the spark test.
- Stable behaviour in high-temperature extrusion: Solutions are optimized for extrusion processes above 300°C, typical for ETFE and FEP.
- Low dosage levels: High tint strength allows consistent colours with reduced masterbatch usage.
According to the technical bulletin, these masterbatches are designed for cables operating in temperature ranges of -40°C to +175°C (T5) and up to +200°C (T6), typically used in applications close to extreme heat sources.
Additionally, they provide excellent dispersion, high colour consistency and stable mechanical properties, even under demanding service conditions.
Formulations also offer thermal resistance above 300°C during processing, making them fully compatible with fluoropolymer extrusion conditions.
Applications
DELTAPLAST T5/T6 masterbatches are designed for high-performance automotive applications where thermal resistance is critical.
Typical applications:
- Engine oil circuit cables: Cables used in engine oil systems exposed to extreme temperatures.
- High-temperature engine systems: Engine components where materials must withstand continuous high heat.
- Specialty automotive applications: Applications requiring advanced materials with high thermal and chemical resistance.
These applications require materials capable of maintaining electrical properties, colour stability and extreme thermal resistance.
Technical FAQs
What temperatures can T5 and T6 cables withstand?
T5 supports up to 175°C and T6 up to 200°C in continuous operation.
Why are ETFE and FEP used in automotive applications?
Because they offer excellent thermal, chemical and dielectric resistance in high-performance environments.
Does the masterbatch affect fluoropolymer performance?
No. It is formulated to ensure compatibility with ETFE and FEP without affecting their performance.
What processing temperatures can these masterbatches withstand?
They are designed for extrusion processes above 300°C (ETFE) and up to 400°C (FEP).