POE Polymer Overview - Dow POE PV 8660

Under the "dual carbon" policy and the global clean energy wave, the photovoltaic industry is entering a stage of rapid development. However, the aging and cracking of sealing materials, high water and air permeability, and the decline in insulation performance have always been the key problems restricting the lifespan and performance of photovoltaic modules. Especially, once the sealing of the frame and the packaging structure fails, it will not only affect the power generation efficiency, but also may bring potential safety hazards.

01 | Focusing on photovoltaic applications, we specialize in researching sealing pain points

Traditional materials such as EVA and TPO still have shortcomings in terms of weather resistance, structural toughness and sealing durability. Dow POE polymer PV 8660 is precisely a high-performance ethylene-octene copolymer material developed specifically for the demand of photovoltaic sealants, and it has:

✔ Extremely low water vapor transmission rate, significantly delaying water vapor erosion;

✔ 1100% ultra-high elongation rate, maintaining long-term flexible sealing without cracking;

✔ 1E15 Ω.cm volume resistance, significantly enhancing electrical insulation reliability;

✔ Excellent heat aging resistance, UV resistance and weather resistance, suitable for harsh outdoor environments.

02 | Data supports the technical advantages of POE Polymer PV 8660

  ・Good light transmittance and no impact on the power generation efficiency of the components;

  ・It has a wide temperature resistance range, with a melting temperature of 59°C and a glass transition temperature as low as -53°C, adapting to cold and hot cycles.

  ・Outstanding mechanical properties: Tear strength 37.1 KN/m, Shore hardness A66, ensuring a balance between structural strength and flexibility.

03 | Not only in photovoltaics, POE polymers help upgrade materials in multiple industries

Relying on its excellent electrical performance and processing adaptability, POE PV 8660 is also applicable to:

  ・Flexible electronics, automotive electrical structures

  ・Industrial flexible packaging, weather-resistant structural components;

  ・Plastic modification and high-performance injection molding applications.

04 | Stable supply and prompt response to diverse purchases from the demand side

Our company has always kept Dow's original POE polymer PV 8660 in stock to support photovoltaic enterprises, modification plants and end manufacturers:

  ・Small-batch test materials

  ・Technical parameter matching consultation

  ・Stable batches and prompt supply of large quantities.

Reduce development costs, ensure project progress, and seize new opportunities in the green energy market.

Photovoltaic sealing is related to the stability of the module and the power generation efficiency. POE polymer PV 8660 is precisely the ideal choice for improving the reliability of sealing, extending the service life and reducing the maintenance cost. If you need technical materials or samples, please feel free to contact our company for more information.

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