PE Masterbatch for XLPE Energy Cables – Ambient Curing Solutions by DELTAPLAST
DELTAPLAST PE Masterbatches from Delta Tecnic are specifically designed for XLPE energy cable applications using ambient curing technology, where colour stability and reliable insulation performance are critical throughout the crosslinking process.
XLPE (Cross-Linked Polyethylene) is widely used in energy cable manufacturing because of its excellent dielectric properties, thermal resistance and long-term reliability. However, during peroxide crosslinking processes, pigment selection and additive behaviour become essential to ensure that the reticulation process is not negatively affected.
DELTAPLAST masterbatch solutions are engineered for both ambient and standard XLPE curing systems, ensuring stable behaviour before, during and after crosslinking while preserving the electrical and mechanical integrity of the cable insulation.
According to the Product Bulletin, every batch produced by Delta Tecnic is tested following EN60811-2-1 to ensure consistent performance during thermal ageing and crosslinking processes.
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The DELTAPLAST PE Masterbatch range for ambient curing XLPE technology has been developed specifically for manufacturers requiring reliable colour performance in crosslinked polyethylene cable systems.
Key technical benefits include:
- Stable colour behaviour before and after crosslinking: The formulations are designed to maintain colour consistency throughout the XLPE curing process, avoiding colour shifts or degradation caused by thermal ageing.
- No negative impact on crosslinking performance: According to the technical bulletin, the reticulation process is not affected thanks to the appropriate pigment formulation. This is critical in XLPE insulation systems, where improper additives can interfere with peroxide curing efficiency.
- Excellent dispersion and dilution in PE compounds: DELTAPLAST masterbatches ensure homogeneous pigment distribution in polyethylene compounds, helping maintain insulation quality and consistent colour identification.
- Preservation of electrical and mechanical properties: The masterbatches are formulated to maintain the dielectric and mechanical performance of the XLPE compound after curing and ageing tests. The Product Bulletin includes ageing test results according to IEC60811-1-2 after 168 hours at 135°C, demonstrating stable elongation and tensile strength values across different colours.
- Optimised for ambient curing XLPE systems: These solutions are specifically engineered for Visico™ / Ambicat™ ambient curing technologies, ensuring reliable behaviour during industrial cable manufacturing processes.
- UV-adapted formulations available: Depending on the application, Delta Tecnic can provide formulations with or without UV stabilisation for outdoor cable installations requiring additional weather resistance.
- High thermal stability and lightfastness: The Product Bulletin shows lightfastness values up to 8 depending on the colour reference, ensuring excellent colour durability under demanding service conditions.
In addition, the range includes colour references based on RAL standards, ensuring repeatability and traceability across industrial cable production.
Applications
DELTAPLAST PE Masterbatches for XLPE ambient curing systems are designed for energy cable applications where dielectric stability and long-term reliability are essential.
Typical applications
- XLPE energy cables: Crosslinked polyethylene insulated cables used in energy transmission and distribution systems.
- Building wire: Electrical installation cables requiring stable insulation performance and reliable colour identification.
- Power transmission and distribution cables: Medium and low-voltage infrastructure cables used in industrial and public energy networks.
These applications require materials capable of maintaining electrical insulation performance, colour consistency and mechanical stability during and after crosslinking processes.
Technical FAQs
What is ambient curing XLPE technology?
Ambient curing XLPE technology uses moisture and silane crosslinking systems to cure polyethylene insulation under controlled environmental conditions.
Can the masterbatch affect the crosslinking process?
No. DELTAPLAST formulations are specifically designed not to interfere with peroxide or ambient curing crosslinking systems.
Which standards are used to verify performance?
Every batch is tested according to EN60811-2-1 and ageing tests are performed following IEC60811-1-2.
Are UV-resistant solutions available?
Yes. Delta Tecnic can provide UV-stabilised formulations for outdoor energy cable applications.
What colour references are available?
The range includes colours based on RAL standards such as RAL 9005, RAL 5015, RAL 7001, RAL 8003 and others.