NOVELTY - The sheet (100) has three coextruded layers comprising polyolefin, where the polyolefin of each layer includes polypropylene or polypropylene and polyethylene. Each of the coextruded layers includes heat of fusion at module manufacturing temperature of greater than 30 J/g. One of the coextruded layers comprises a pigment. The protective sheet is devoid of polyester. The protective sheet includes polypropylene in amount greater than 70 wt. % of weight of the protective sheet. The coextruded layers comprise an air-side layer, a cell-side layer and a mid-layer.    USE - Protective sheet i.e. multi-layer protective sheet such as laminate protective sheet, for a photovoltaic module (claimed) for outdoor applications for shielding electrical elements of a solar cell from environmental conditions.    ADVANTAGE - The sheet is thin, flexible, lighter and inexpensive and can be wrapped on a roll with diameter of 10 cm without cracking or delaminating, and provides a multi-layer film formed by coextrusion to rip or tear before individual layers delaminate from one another for permitting manufacture of products with thinner layers and producing thin and durable protective sheets while avoiding costs and complexities of multistep lamination and coating processes. The sheet avoids need for adhesives or tie layers and demonstrates sufficient adherence between the layers and to an encapsulant of the photovoltaic module, provides solar modules with electrical insulation and protection from UV light, provides improved adhesion to various components such as encapsulant, sealant and/or labels, achieves improved water vapor transmission properties without requiring a traditional inner layer, exhibits increased dimensional stability and/or mechanical strength retention through aging tests due to improved hydrolytic stability, electrically insulates solar cells and/or provides a chemical barrier, and inhibits polymeric degradation by providing additives in the protective sheet for allowing the protective sheet to properly function for extended period of time. The sheet utilizes the pigment to reflect or fluoresce light back to the solar cells, thus increasing power output of the module.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following:    (1) a photovoltaic module    (2) a method for forming a protective sheet for a photovoltaic module.    DESCRIPTION OF DRAWING(S) - The drawing shows an exploded perspective view of a photovoltaic module.    Protective sheet (100)    Layers of encapsulant (200a, 200b)    Solar cells (300)    Trout sheet (400)    Photovoltaic module (500)