Woven fabric materials provide simple and convenient protection against Ultraviolet (UV) radiation. To assign the degree of UV radiation protection of woven fabric, the Ultraviolet Protection Factor is commonly used. This paper reports the effect of MFI (Mass flow index) of UV stabilizer material on the woven fabric property. Extrusion is the process of conversion of raw material into a particular shape. The raw material for the woven fabric is polymer granules (polypropylene (PP), UV stabilizer, and calcium carbonate (CaCO₃)). This polymer is extruded to a certain temperature (260 to 280°C). At this temperature these raw materials mix together in the screw of the extruder to show their property. If the mixing of these raw materials will be homogeneous, then we will get desired property of the fabric. This experiment shows that the UV stabilizer having high MFI will mix homogeneously during extrusion and fabric will achieve better retention property. The objective of this research is to attempt to correlate between “MFI of UV stabilizer and retention property (tensile strength) after UV test” for various GSM of woven fabric. Subsequent to this, deterioration of woven fabric due to environmental impact as UV light exposure was investigated.

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