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Product Briefing Outline: DuPont Photovoltaic Solutions (DPVS) has launched its new DuPont PV5200 Series photovoltaic (PV) encapsulant sheets, based on polyvinyl butyral (PVB) polymer technology.  The new PVB sheets offer physical and processing performance levels proven in laminated glass manufacturing, with additional features designed in to meet the needs of thin-film solar power generation.

Problem: The PV5200 Series encapsulants have been optimized for mechanical, adhesive, melt-flow and chemical stability properties in contact with new thin-film module manufacturing materials.

Solution: The DuPont PV5200 Series encapsulants are the first in a series of products emerging from recent DuPont development efforts to optimize encapsulants for faster, more efficient module production and longer service life.  Focused on glass-glass thin-film module constructions, new DuPont PV5200 Series encapsulant sheets assure excellent glass adhesion and proven safety glass performance, with high visible light transmission. The DuPont PV5200 Series sheet is a clear, pliable material with excellent flow characteristics, well-suited for module encapsulation using nip-roll/autoclave, vacuum laminating and novel solar module processing methods.

Applications: Glass-glass thin-film modules.

Platform: The new PVB-based encapsulant sheets are offered in thicknesses from 15 mil (0.38 mm) to 45 mil (1.14 mm), for sampling and use by solar module makers worldwide.

Availability: Currently available.