T2/T3 PVC
DELTAVINIL PVC Masterbatches for T2 and T3 thermal classes from Delta Tecnic are designed for automotive wiring applications requiring colour stability and reliable performance under long-term thermal ageing.
In the automotive industry, electrical cables must maintain their properties both in the passenger compartment and in areas close to the engine, where they are exposed to elevated temperatures and demanding conditions. Thermal classes T2 and T3, defined by standards such as ISO 6722, cover temperature ranges up to 105°C and 125°C respectively.
DELTAVINIL solutions ensure controlled pigment dispersion, thermal stability and consistent behaviour during extrusion and validation testing, guaranteeing compliance with automotive industry standards
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DELTAVINIL PVC masterbatches for T2/T3 cables have been specifically formulated to meet the technical requirements of the automotive sector.
Key features include:
- Colour stability after thermal ageing: Formulations ensure that colour remains stable even after prolonged exposure to high temperatures.
- Excellent dispersion in PVC: Provides uniform pigment distribution, ensuring consistent colour throughout the cable.
- Stable behaviour in high-speed extrusion: Optimized for automotive production lines, enabling efficient and repeatable processes.
- Low addition levels: High tint strength allows the use of low masterbatch concentrations while maintaining consistent results.
- Compatibility with automotive standards: Colours are developed according to SAE J1128 and ISO 6722 references, ensuring compliance with industry requirements.
According to the technical bulletin, these masterbatches are designed to operate within temperature ranges of -40°C to +105°C (T2) and up to +125°C (T3), ensuring reliable performance in demanding environments.
Additionally, they offer excellent dilution, pellet uniformity and high thermal stability, contributing to efficient and consistent production.
Applications
DELTAVINIL T2/T3 PVC Masterbatches are designed for automotive wiring applications where thermal stability and colour identification are essential.
Typical applications:
- Automotive wiring harness: Electrical wiring systems in vehicles.
- Passenger compartment cables: Cables used inside the vehicle, where moderate thermal stability is required.
- Under-bonnet applications (T3): Applications near the engine, where cables are exposed to higher temperatures.
These applications require materials capable of maintaining electrical properties, colour stability and long-term thermal resistance.
Technical FAQs
What do T2 and T3 thermal classes mean?
They are temperature classifications for automotive cables: T2 up to 105°C and T3 up to 125°C.
Do these masterbatches comply with ISO 6722?
Yes. They are designed to meet the requirements of ISO 6722 and SAE J1128.
Where are T3 cables typically used?
Mainly in areas close to the engine, where temperatures are higher.
What advantages does DELTAVINIL offer in automotive applications?
Excellent dispersion, thermal stability and consistent colour in high-speed processes.